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GATE Life Sciences 2022

  • Paper code: XL
  • Language: English
  • 74 pages
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GATE 2022 Life Sciences XL
GATE 2022 General Aptitude
Q.1 – Q.5 Carry ONE mark each.


Q.1        The movie was funny and I _________.


      (A) could help laughing


      (B) couldn’t help laughed


      (C) couldn’t help laughing


      (D) could helped laughed




Q.2
           x∶y∶z=       : : .


           What is the value of      ?



      (A) 0.75


      (B) 1.25


      (C) 2.25


      (D) 3.25




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GATE 2022 Life Sciences XL

Q.3
          Both the numerator and the denominator of           are increased by a positive


          integer, x, and those of     are decreased by the same integer. This operation

          results in the same value for both the fractions.

          What is the value of x?


      (A) 1


      (B) 2


      (C) 3


      (D) 4




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Q.4       A survey of 450 students about their subjects of interest resulted in the
          following outcome.

                  150 students are interested in Mathematics.
                  200 students are interested in Physics.
                  175 students are interested in Chemistry.
                  50 students are interested in Mathematics and Physics.
                  60 students are interested in Physics and Chemistry.
                  40 students are interested in Mathematics and Chemistry.
                  30 students are interested in Mathematics, Physics and Chemistry.
                  Remaining students are interested in Humanities.

          Based on the above information, the number of students interested in
          Humanities is


      (A) 10


      (B) 30


      (C) 40


      (D) 45




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GATE 2022 Life Sciences XL

Q.5




            For the picture shown above, which one of the following is the correct picture
            representing reflection with respect to the mirror shown as the dotted line?


      (A)




      (B)




      (C)




      (D)




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GATE 2022 Life Sciences XL


Q. 6 – Q. 10 Carry TWO marks each.




Q.6        In the last few years, several new shopping malls were opened in the city. The
           total number of visitors in the malls is impressive. However, the total revenue
           generated through sales in the shops in these malls is generally low.

           Which one of the following is the CORRECT logical inference based on the
           information in the above passage?


      (A) Fewer people are visiting the malls but spending more


      (B) More people are visiting the malls but not spending enough


      (C) More people are visiting the malls and spending more


      (D) Fewer people are visiting the malls and not spending enough




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Q.7        In a partnership business the monthly investment by three friends for the first
           six months is in the ratio 3: 4: 5. After six months, they had to increase their
           monthly investments by 10%, 15% and 20%, respectively, of their initial
           monthly investment. The new investment ratio was kept constant for the next
           six months.

           What is the ratio of their shares in the total profit (in the same order) at the end
           of the year such that the share is proportional to their individual total investment
           over the year?


      (A) 22 : 23 : 24


      (B) 22 : 33 : 50


      (C) 33 : 46 : 60


      (D) 63 : 86 : 110




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Q.8        Consider the following equations of straight lines:

               Line L1: 2x − 3y = 5
               Line L2: 3x + 2y = 8
               Line L3: 4x − 6y = 5
               Line L4: 6x − 9y = 6

           Which one among the following is the correct statement?


      (A) L1 is parallel to L2 and L1 is perpendicular to L3


      (B) L2 is parallel to L4 and L2 is perpendicular to L1


      (C) L3 is perpendicular to L4 and L3 is parallel to L2


      (D) L4 is perpendicular to L2 and L4 is parallel to L3




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Q.9        Given below are two statements and four conclusions drawn based on the
           statements.

           Statement 1: Some soaps are clean.

           Statement 2: All clean objects are wet.




           Conclusion I: Some clean objects are soaps.

           Conclusion II: No clean object is a soap.

           Conclusion III: Some wet objects are soaps.

           Conclusion IV: All wet objects are soaps.

           Which one of the following options can be logically inferred?


      (A) Only conclusion I is correct


      (B) Either conclusion I or conclusion II is correct


      (C) Either conclusion III or conclusion IV is correct


      (D) Only conclusion I and conclusion III are correct




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Q.10 An ant walks in a straight line on a plane leaving behind a trace of its
        movement. The initial position of the ant is at point P facing east.

        The ant first turns 72o anticlockwise at P, and then does the following two
        steps in sequence exactly FIVE times before halting.

           1. moves forward for 10 cm.
           2. turns 144o clockwise.

        The pattern made by the trace left behind by the ant is


  (A)




  (B)




  (C)




  (D)




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GATE 2022 Life Sciences XL
Chemistry (XL-P) Q.11 – Q.19 Carry ONE mark Each

Q.11    Consider a second order reaction,

        The concentration of A is represented as [A].

        Which of the following is the CORRECT plot for determining the rate constant for
        the above reaction?




(A)




(B)




(C)




(D)




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GATE 2022 Life Sciences XL

Q. 12   Which among the following has the least second ionization energy?




(A)      Al


(B)      Si


(C)      P


(D)      S




Q.13    Which among the following metal ions has the highest enthalpy of hydration?

        (Assume the given metal ions have the same counter ion.)
        Given: Atomic numbers of Ti, V, Cr and Mn are 22, 23, 24 and 25, respectively.




(A)     Ti2+


(B)     V2+


(C)     Cr2+


(D)     Mn2+




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Q.14    Among the following, the one having smallest bond angle is




(A)     PH3


(B)     PF3


(C)     NF3


(D)     NH3




Q.15    Which of the following is the CORRECT statement about hexoses?




(A)     D-mannose is C- 4 epimer of D-glucose


(B)     D-galactose is C- 2 epimer of D-glucose


(C)     D-glucose and L-glucose are diastereomers


(D)     D-glucose and D-galactose are diastereomers




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Q.16    The bases present in DNA are




(A)     adenine, cytosine, guanine and thymine


(B)     adenine, guanine, thymine and uracil


(C)     adenine, cytosine, thymine and uracil


(D)     cytosine, guanine, thymine and uracil




Q.17    The CORRECT order of basicity for the following compounds is




(A)     I > II > III


(B)     II > III > I


(C)     II > I > III


(D)     III > I > II




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Q.18    Molar conductance of monobromoacetic acid at infinite dilution is calculated to be
        x × 10 – 4 S m2 mol–1 at 25 oC.
        The value of x is (round off to the nearest integer)

        Given:

                  Electrolyte               Limiting molar conductance
                                            at 25 oC in 10 – 4 S m2 mol– 1
                  HBr                                  427.95
                  KBr                                  151.64
                  CH2BrCOOK                            112.72



(A)     164


(B)     195


(C)     389


(D)     467




Q.19    A sample of benzene, contaminated with a non-volatile and non-ionic solute, boils
        at 0.31°C higher than that of pure benzene. The molality of the solute in the
        contaminated solution is ______ (round off to two decimal places).

        Given: Gas constant = 8.314 J K1 mol1
               Molecular weight of benzene is 78.11 g mol1
               Normal boiling point of benzene is 80.1°C
               Enthalpy of vaporization of benzene is 30.76 kJ mol1




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GATE 2022 Life Sciences XL
Q.20 – Q.27 Carry TWO marks Each



Q.20    Among the following statements about cobalt complexes, which is/are CORRECT?

       Given: Atomic number of Co is 27




(A)    [Co(NH3)4]2+ exhibits square planar geometry


(B)     [Co(en)3]3+ does not show optical isomerism (en = ethylenediamine)


(C)     [Co(H2O)6]3+ is paramagnetic in nature


(D)    [Co(NH3)5Cl)]2+ shows ligand-to-metal charge transfer




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GATE 2022 Life Sciences XL

Q.21    Consider the following reaction:




        The CORRECT statement(s) related to mono-chlorination at carbon-2 position
        is/are




(A)     The reaction proceeds through alkyl radical intermediate


(B)     Complete inversion of configuration at carbon-2 takes place


(C)     Complete retention of configuration at carbon-2 takes place


(D)     A mixture of enantiomers is formed




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Q.22    Consider the following enzyme catalyzed reaction:




        where E is enzyme, S is substrate, ES is enzyme-substrate complex and P is
        product.

        The CORRECT statement(s) for the above reaction is/are




(A)     Maximum possible rate of product formation is dependent on k2 and initial
        concentration of enzyme.


(B)     For a low substrate concentration, the rate of product formation is first order with
        respect to enzyme and also first order with respect to the substrate.


(C)     The rate of product formation is independent of the concentration of enzyme-
        substrate complex.


(D)     For a very high substrate concentration, initial rate of product formation is zero
        order with respect to the substrate.




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GATE 2022 Life Sciences XL

Q.23    Consider the following reaction:




        The CORRECT pathway(s) involved in the reaction is/are




(A)     E2 followed by isomerization


(B)     E1 followed by isomerization


(C)     SN1 followed by isomerization


(D)     Isomerization through carbocation




Q.24    An aqueous solution of aspirin (HA) is prepared at pH 7.4. The ratio of
        concentration of A and HA at equilibrium is ______ (round off to the nearest
        integer).

        Given: Ka of aspirin is 3.98 × 10 – 4




Q.25    The total number of 3-centre-2-electron bonds in B4H10 is ______ (in integer).




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GATE 2022 Life Sciences XL

Q.26    The equilibrium constant for isomerization of 1-butene to trans-2-butene at 27 oC
        is ______ (round off to one decimal place).

        Given: Gas constant = 8.314 J K–1 mol–1
               ΔfGo of 1-butene = +71.39 kJ mol–1
               ΔfGo of trans-2-butene = + 63.06 kJ mol–1




Q.27    A 16 mW monochromatic light emits 4×10 16 photons in 1 second. When this light
        incidents on a metal strip, photoelectrons are emitted. The wavelength of the emitted
        photoelectrons (in Å) is ______ (round off to one decimal place).

        Given: Work function of the metal = 2.0 eV
               Charge of an electron = 1.6 × 10–19 C
               Mass of an electron = 9.1 × 1031 kg
               Planck’s constant = 6.626 × 10–34 J s




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GATE 2022 Life Sciences XL


Biochemistry XL (Q): Q.28 – Q.35 Carry ONE mark Each

Q.28    Which of the immune cells listed below are agranular?


        P. Eosinophils

        Q. Mast cells

        R. Monocytes

        S. T-cells


(A)     P and Q only


(B)     Q and R only


(C)     R and S only


(D)     S and P only




Q.29    Which one of the following enzymes is located in the outer mitochondrial
        membrane?


(A)     Citrate synthase


(B)     Fumarase


(C)     Monoamine oxidase


(D)     Succinate dehydrogenase




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Q.30    Which one of the following statements about the DNA polymerase III of E. coli is
        NOT correct?


(A)     It catalyzes nick translation.


(B)     Its absence is lethal to E. coli.


(C)     It synthesizes a complementary DNA strand using a single-stranded template.


(D)     It possesses 3′ → 5′ exonuclease activity.




Q.31    Which one of the following compounds is NOT a translation inhibitor?


(A)     Chloramphenicol


(B)     Cycloheximide


(C)     Puromycin


(D)     Rifampicin




Q.32    A dye was allowed to undergo migration on a chromatographic paper using a
        solvent. The dye, and the solvent-front migrated 5 and 20 cm, respectively, from
        the point of origin. The retention factor (rounded off to two places of decimals) for
        the dye is _____.




Q.33    The pK values of the carboxylic and amino groups of an amino acid with a
        non-ionizable side chain are 2.17 and 9.13, respectively. The isoelectric point
        (rounded off to two places of decimals) of this amino acid is _____.




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GATE 2022 Life Sciences XL

Q.34    The number of ATP molecules required for the complete assimilation of one
        molecule of CO2 in Calvin cycle is _____.




Q.35    The absorbance of a 5 × 10 M solution of tyrosine at 280 nm wavelength is
        0.75. The path length of the cuvette is 1 cm. The molar absorption coefficient at
        the given wavelength in M cm , correct to the nearest integer, is _____.




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Q.36 – Q.46 Carry TWO marks Each

Q.36   Filamentous photosynthetic algae were placed on a microscopic slide and
       illuminated with light of different colors as illustrated.

                                             Slide

                                                                 Algae


                                 Blue     Green   Yellow   Red


       The bacteria that are known to migrate towards the region of high O were also
       added uniformly on the slide. Which one of the following options illustrates the
       distribution of bacteria along the length of the microscopic slide after
       illumination?


(A)




(B)




(C)




(D)




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Q.37    Two RNAs shown below were used separately as templates in an in vitro
        translation system, which can generate proteins in all possible reading frames.

        RNA :    5 − (AG) − 3

        RNA :    5 − (AAG) − 3

        The RNA translated product contained Arg and Glu.
        The RNA translated product contained Arg, Glu, and Lys.

        Which one of the following codons directs the incorporation of Arg?


(A)     AAG


(B)     AGA


(C)     GAA


(D)     GAG




Q.38    Which of the following statements about endogenous synthesis of insulin are
        correct?


        P. Insulin is synthesized as preproinsulin.

        Q. Preproinsulin is converted to proinsulin.

        R. Single-site cleavage of proinsulin eliminates C chain.

        S. Mature insulin consists of disulphide-linked A and B chains.


(A)     P, Q, and R


(B)     P, Q, and S


(C)     P, R, and S


(D)     Q, R, and S


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Q.39    Which one of the following enzymes converts testosterone to estradiol?


(A)     Aromatase


(B)     3β-hydroxysteroid dehydrogenase


(C)     5α-reductase


(D)     17β-hydroxysteroid dehydrogenase




Q.40    Purification of 6×His-tagged protein using Ni-NTA column is an example
        of ________


(A)     affinity chromatography


(B)     hydrophobic-interaction chromatography


(C)     ion-exchange chromatography


(D)     size-exclusion chromatography




Q.41    Which of the following carbohydrates has/have a β1 → 4 glycosidic linkage?


(A)     Cellulose


(B)     Chitin


(C)     Lactose


(D)     Maltose




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Q.42    Which of the following statements about IgA is/are correct?


(A)     It is secreted into colostrum.


(B)     It is transported across the cell by transcytosis.


(C)     Its secretion is facilitated by poly-Ig receptor.


(D)     It primarily exists as a dimer in serum.




Q.43    The standard free energy changes for conversion of phosphoenol pyruvate (PEP)
        to pyruvate, and ATP synthesis are shown below.

        PEP + H O ⇌ pyruvate + P                             ∆G   = −61.9 kJ ∙ mol

        ADP + P ⇌ ATP + H O                                  ∆G   = 30.5 kJ ∙ mol

        The starting concentrations of PEP, ADP, pyruvate, and ATP are 25, 25, 50,
        and 50 mM, respectively. The value of universal gas constant (R) is
        8.315 J ∙ mol K . The actual free energy change in kJ ∙ mol for the reaction

                              PEP + ADP → pyruvate + ATP

        carried out at 37 ℃ will be _____ (rounded off to one place of decimal).




Q.44    The dissociation constant for a receptor-ligand pair is 0.25 × 10 M. The ligand
        was added to a solution of the receptor such that the receptor was 50% saturated
        at equilibrium. Assume that the receptor has one ligand binding site. The
        concentration of the free ligand at equilibrium in nM, correct to the nearest
        integer, should be _____.




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Q.45    The half-maximal velocity of an enzyme catalyzed reaction was found at a
        substrate concentration of 0.5 × 10 M. This enzyme follows Michaelis-Menten
        kinetics. In the presence of a competitive inhibitor, the half-maximal velocity was
        found at a substrate concentration of 1.5 × 10 M. Given that the enzyme-
        inhibitor pair has a dissociation constant of 2 × 10 M, the concentration of the
        competitive inhibitor in µM, rounded off to one place of decimal, was_____.




Q.46    A forty-times diluted sample of ssRNA gave an A   of 0.01. The concentration
        of the ssRNA before the dilution in µg/mL was _____ (correct to the nearest
        integer).




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GATE 2022 Life Sciences XL
Botany XL (R): Q.47 – Q.54 Carry ONE mark Each



Q.47    In Angiosperms, normally ‘Exarch Xylem’ occurs in




(A)     dicot stem


(B)     monocot stem


(C)     dicot root


(D)     dicot leaf




Q.48    ‘Quiescent Center’ is present in




(A)     leaf meristem


(B)     root apical meristem


(C)     shoot apical meristem


(D)     floral meristem




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Q.49    With reference to virulence (vir) region of nopaline type Ti plasmid of
        Agrobacterium tumefaciens, match Group-I (vir gene) and Group-II (coded
        protein) in CORRECT combination.

                   Group-I                         Group-II
                P. vir A        I. Single strand T-DNA binding protein
                Q. vir B       II. Topoisomerase
                R. vir E      III. Membrane protein, channel for T-DNA
                S. vir D      IV. Sensor protein, constitutive expression




(A)     P-IV, Q-III, R-II, S-I


(B)     P-IV, Q-III, R-I, S-II


(C)     P-IV, Q-II, R-I, S-III


(D)     P-I, Q-III, R-II, S-IV




Q.50    Anomalous secondary growth is observed in




(A)     Triticum


(B)     Oryza


(C)     Zea


(D)     Dracaena




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Q.51    Which of the following plant diseases is/are caused by bacteria?




(A)     Angular leaf spot of cotton


(B)     Citrus canker


(C)     Apple scab


(D)     Leaf curl of papaya




Q.52    Phylogenetic system of classification is/are proposed by




(A)     Carolus Linnaeus


(B)     John Hutchinson


(C)     Engler and Prantl


(D)     Bentham and Hooker




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Q.53    Which of the following is/are part of marine ecosystem?




(A)     Open ocean


(B)     Chaparral


(C)     Deep sea


(D)     Estuaries




Q.54    In NADP+-malic enzyme type C4 photosynthesis cycle, n molecule(s) of ATP is/are
        required for the assimilation of one molecule of CO2. The value of n is ________
        (in integer).




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Q.55 – Q.65 Carry TWO marks Each

Q.55   An Arabidopsis thaliana mutant plant developed defective flowers with altered
       floral organ identity and patterning. In this mutant, the four floral whorls contain
       Sepal-Sepal-Carpel-Carpel, from the periphery to the center of the flower.
       Based on the typical ABC model of floral organ patterning, which among the
       following are mutated in this plant?




(A)    Class A gene(s)


(B)     Class B gene(s)


(C)     Class C gene(s)


(D)    Double mutant for Class A and Class C genes




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Q.56    Match the secondary metabolites in Group-I with types of secondary metabolites
        in Group-II in CORRECT order.

                          Group-I                      Group-II
                    P. Myrcene                I. Sesquiterpene
                    Q. β-Farnesene           II. Cyanogenic glycoside
                    R. Amygdalin            III. Flavone
                    S. Nicotine             IV. Alkaloid
                    T. Luteolin              V. Monoterpene




(A)     P-I, Q-V, R-II, S-IV, T-III


(B)     P-V, Q-II, R-IV, S-I, T-III


(C)     P-II, Q-III, R-IV, S-V, T-I


(D)     P-V, Q-I, R-II, S-IV, T-III




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Q.57    Match Group-I (enzyme), Group-II (reaction catalyzed by the enzyme), and
        Group-III (subcellular localization of the enzyme and the associated metabolic
        process) in CORRECT combination.

             Group-I                      Group-II                    Group-III
         P. PEP               I.    2 Glycolate + 2 O2 =            a. Cytosol –
            Carboxylase             2 Glyoxylate + 2 H2O2              C4 cycle

                              II.   Pyruvate + NAD+ + CoA =         b. Peroxisome –
         Q. Rubisco
                                    Acetyl-CoA + CO2 + NADH            C2 cycle

                                                                    c. Mitochondria
         R. Glycolate        III.   Phosphoenolpyruvate +
                                                                       – aerobic
            oxidase                 HCO3– = Oxaloacetate + Pi
                                                                       respiration

                             IV.    3 (Ribulose 1,5-bisphosphate)
         S. Pyruvate                                                d. Chloroplast –
                                    + 3 CO2 + 3 H2O =
            dehydrogenase                                              C3 cycle
                                    6 (3-phosphoglycerate) + 6 H+




(A)     P-III-a, Q-IV-d, R-I-b, S-II-c


(B)     P-II-a, Q-III-d, R-I-b, S-IV-c


(C)     P-IV-a, Q-II-b, R-I-d, S-III-c


(D)     P-IV-a, Q-II-d, R-I-b, S-III-c




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Q.58    Match Group-I (selection agent) and Group-II (gene) in CORRECT
        combination.

                           Group-I                  Group-II
                    P. Kanamycin                I. pmi
                    Q. Hygromycin              II. bar
                    R. Phosphinothricin       III. nptII
                    S. Mannose                IV. ptxD
                                               V. dhfr
                                              VI. hpt




(A)     P-III, Q-VI, R-II,   S-I


(B)     P-IV, Q-III, R-II,   S-I


(C)     P-I, Q-VI, R-III, S-II


(D)     P-II, Q-I, R-V, S-VI




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Q.59    Match Group I (plant natural product), Group II (class) and Group III (source
        plant) in CORRECT combination.

            Group-I               Group-II                       Group-III
         P. Reserpine     I. Stilbenes                  a. Manihot esculanta
         Q. Resveratrol II. Cyanogenic glycoside        b. Crocus sativus
         R. Picrocrocin III. Alkaloid                   c. Vitis vinifera
         S. Linamarin IV. Monoterpene glycoside         d. Rauwolfia serpentina




(A)     P-I-d, Q-II-c, R-IV-a,    S-III-b


(B)     P-III-d, Q-IV-b, R-I-c, S-II-a


(C)     P-II-a, Q-III-b, R-I-d, S-IV-c


(D)     P-III-d, Q-I-c, R-IV-b, S-II-a




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Q.60    Match Group I (plant disease), Group II (causal organism) and Group III
        (affected plant) in CORRECT combination.

                 Group-I                Group-II                Group-III
            P. Karnal Bunt      I. Phytophthora infestans    a. Rice
            Q. Ergot           II. Blumeria graminis         b. Potato
            R. Late blight    III. Neovossia indica          c. Rye
            S. Powdery mildew IV. Puccinia recondita         d. Wheat
                               V. Claviceps purpurea         e. Barley
                              VI. Alternaria solani          f. Brinjal




(A)     P-II-a, Q-V-b, R-III-d, S-I-e


(B)     P-III-d, Q-V-c, R-II-e, S-IV-f


(C)     P-III-d, Q-V-c, R-I-b, S-II-e


(D)     P-V-c, Q-I-d, R-VI-b,   S-II-e




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Q.61    Make CORRECT match between Group-I and Group-II, in relation to interaction
        between two species.

            Group-I                                    Group-II
         P. Neutralism         I. neither can survive under natural condition without
                                  the other
         Q. Allelopathy       II. direct inhibition of one species by the other species
                                  using toxic compound
         R. Amensalism       III. neither is affected by the association with the other
         S. Mutualism        IV. one is inhibited and the other is not affected




(A)     P-I, Q-II, R-III, S-IV


(B)     P-III, Q-II, R-IV, S-I


(C)     P-IV, Q-III, R-II, S-I


(D)     P-III, Q-IV, R-II, S-I




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Q.62    Which of the following matches is/are CORRECT?




(A)     Surface fibre – Cotton – Gossypium hirsutum


(B)     Bast fibre – Flax – Corchorus capsularis


(C)     Drying oil – Safflower oil – Helianthus annuus


(D)     Non-drying oil – Castor oil – Ricinus communis




Q.63    Which of the following is/are phanerogamic parasite(s)?




(A)     Cuscuta reflexa


(B)     Orobanche cernua


(C)     Ocimum sanctum


(D)     Santalum album




Q.64    When a true breeding tall plant containing red flowers was crossed with the true
        breeding dwarf plant containing white flowers, all F1 plants were tall with red
        flowers. When the F1 plant was self-pollinated, considering independent assortment
        of plant height and flower colour traits, the calculated percentage probability of
        dwarf plants bearing red flowers in the F2 generation is ________ percent (round
        off to 2 decimal places).




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Q.65    A hypothetical plant gene ADSH22 is encoded by the nuclear genome. The length
        of the mature mRNA for ADSH22 is 2150 nucleotides (nts). This mRNA has a 270
        nts long 5′ UTR and 200 nts long 3′ UTR. Taking average molecular weight of an
        amino acid as 115 Dalton (Da), the calculated molecular weight of ADSH22 protein
        is ________ kDa (round off to 1 decimal place).




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Microbiology XL (S): Q.66 – Q.73 Carry ONE mark Each

Q.66    The terminal acceptor of electron during anaerobic respiration in Methanococcus
        is ______________.


(A)     Nitrate ion


(B)     Sulfate ion


(C)     Carbon dioxide


(D)     Oxygen




Q.67    Which one of the following mutagens convert DNA’s adenine to hypoxanthine?


(A)     Ultraviolet light


(B)     Mitomycin C


(C)     Methyl methanesulfonate


(D)     Nitrous acid




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Q.68    Which one of the following leukocytes are present in the largest proportion in
        healthy human blood?


(A)     Neutrophils


(B)     Eosinophils


(C)     Basophiles


(D)     Monocytes




Q.69    The site of photosynthesis in cyanobacteria is ____________.


(A)     Chloroplast


(B)     Chromatophores


(C)     Thylakoids


(D)     Chlorosomes




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Q.70    The antimicrobial activity of vancomycin is due to the ____________.


(A)     inhibition of nucleic acid synthesis


(B)     damage to the cytoplasmic membrane


(C)     inhibition of cell wall synthesis


(D)     regulation of DNA supercoiling




Q.71    Phenolics act as disinfectant by ____________.


(A)     rupturing plasma membrane followed by leakage of cellular contents


(B)     bond formation between adjacent pyrimidine bases


(C)     forming adduct with amino acid and unsaturated fatty acids


(D)     alkylation of proteins




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Q.72    Which of the following methods are used for the identification of
        microorganisms?


(A)     Nucleic acid hybridization


(B)     Southern blotting


(C)     16s rRNA sequencing


(D)     Percentage G-C content




Q.73    Which of the following are present in Gram-negative bacteria?


(A)     Lipopolysaccharide


(B)     Teichoic acid


(C)     Periplasm


(D)     Endotoxin




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Q.74 – Q.84 Carry TWO marks Each

Q.74    Nonsense suppressor mutation is found in _________________.


(A)    rRNA


(B)     tRNA


(C)     start codon of mRNA


(D)    stop codon of mRNA




Q.75    Choose the correct match for structural components of bacteria to their function.


         Structural component                          Function


         (P) Flagella                                  (i) prevent cell lysis


         (Q) Cell wall                                 (ii) chemotaxis


         (R) Metachromatic granules                    (iii) storage for ATP


         (S) Magnetosomes                              (iv) cell orientation


(A)    (P)-(ii), (Q)-(iii), (R)-(i), (S)-(iv)


(B)     (P)-(ii), (Q)-(i), (R)-(iii), (S)-(iv)


(C)     (P)-(ii), (Q)-(i), (R)-(iv), (S)-(iii)


(D)    (P)-(i), (Q)-(iv), (R)-(iii), (S)-(ii)




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Q.76    Match the pathogen with the appropriate disease.


         Pathogen                                      Disease


         (P) Streptococcus pyogenes                    (i) Scarlet fever


         (Q) Brucella species                          (ii) Pott’s disease


         (R) Mycobacterium tuberculosis                (iii) Traveler’s diarrhea


         (S) Escherichia coli                          (iv) Undulant fever


(A)     (P)-(ii), (Q)-(iii), (R)-(i), (S)-(iv)


(B)     (P)-(ii), (Q)-(i), (R)-(iii), (S)-(iv)


(C)     (P)-(i), (Q)-(iv), (R)-(ii), (S)-(iii)


(D)     (P)-(i), (Q)-(iv), (R)-(iii), (S)-(ii)




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Q.77    Match the correct mode of cell division with respective bacteria.


          Bacteria

          (P) Streptomyces species

          (Q) Rhodopseudomonas acidophila

          (R) Bacillus subtilis

          (S) Nocardia species



          Mode of cell division




(A)     (P)-(ii), (Q)-(iii), (R)-(i), (S)-(iv)


(B)     (P)-(ii), (Q)-(i), (R)-(iii), (S)-(iv)


(C)     (P)-(iv), (Q)-(ii), (R)-(i), (S)-(iii)


(D)     (P)-(i), (Q)-(iv), (R)-(iii), (S)-(ii)




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Q.78    The correct sequence of overall biochemical reaction which expresses the process
        of denitrification is ____


(A)     2NO3-          2NO2-            N2O              2NO              N2


(B)     2NO3-          2NO2-            2NO              N2O               N2


(C)     2NO3-         2NO               2NO2-             N2O              N2


(D)     2NO3-          N2O             2NO               2NO2-            N2




Q.79    Which of the following diseases are caused by family of DNA viruses?


(A)     Hepatitis B


(B)     Smallpox


(C)     Influenza


(D)     Rabies




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Q.80    Which of the following Gram-positive cocci are found in biofilm of dental
        plaque?


(A)     Gonococcus


(B)     Streptococcus mutans


(C)     Streptococcus sobrinus


(D)     Fusobacterium species




Q.81    Which of the following statements are TRUE for archaea?


(A)     Cell wall in archaea contains muramic acid and D-amino acid


(B)     N-Formylmethionine is the first amino acid to initiate new polypeptide chain
        synthesis in archaea


(C)     Methionine is the first amino acid used during protein synthesis in archaea


(D)     Membrane of archaea contains phytanyl rather than fatty acids




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Q.82    If the plasmid given below is digested with restriction enzymes HindIII and
        EcoRI, considering complete digestion, how many DNA fragments will be
        released?




Q.83    Escherichia coli growing under favorable conditions doubles in every 20 minutes.
        If the initial number of Escherichia coli cells is 100, what will be the logarithmic
        number of cells at 17th generation? (Answer up to 1 decimal place)




Q.84    What will be value of the Numerical Aperture (NA), if half aperture angle is 58°
        and oil immersed objective is used for the process of light microscopy? (Answer
        up to 1 decimal place)

        Consider Sin 58° = 0.85 and refractive index of immersion oil used is = 1.50.




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Zoology (XL-T) Q.85 – Q.92 Carry ONE mark each



Q.85    Which one of the following organic compounds is composed of only (i) a nitrogen
        containing base, (ii) a single five-carbon sugar, and (iii) a triphosphate?


(A)     Nucleoside


(B)     Nucleotide


(C)     Base


(D)     Nucleic acid




Q.86    Which one of the following animals develops adaptive predator avoidance
        morphology because of the presence of high predator number in its habitat?


(A)     Daphnia sp.


(B)     Scaphiopus sp.


(C)     Wolbachia sp.


(D)     Rhodnius sp.




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Q.87    To which class of Drosophila developmental genes does fushi tarazu (ftz) belong?


(A)     Gap genes


(B)     Segment polarity genes


(C)     Pair rule genes


(D)     Maternal effect genes




Q.88    The action of which class of enzyme inhibitors can be reversed by adding an excess
        of substrate?


(A)     Uncompetitive inhibitors


(B)     Competitive inhibitors


(C)     Non-specific inhibitors


(D)     Allosteric inhibitors




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 Q.89   Mendel deduced the genetic principle of inheritance by experimenting on sweet pea
        plants. One of the experiments involved crossing plants with two contrasting
        characters, tall (dominant) and dwarf (recessive), which yielded all tall plants in the
        first generation. When the same genetic cross was independently repeated by a
        researcher, only short plants were obtained. Which one of the following can
        possibly explain the altered outcome?


 (A)    Tall plants were heterozygous


 (B)    An enhancer for the tall allele is present in the dwarf plant


 (C)    A suppressor for the tall allele is present in the dwarf plant


 (D)    Dwarf plants are homozygous




Q.90 – Q.92 Multiple Select Question (MSQ) carry ONE mark each (no negative marks)

 Q.90   Which of the following is/are responsible for reversible receptorligand
        interaction?


 (A)    Ionic interactions


 (B)    Hydrogen bonding


 (C)    Peptide bonding


 (D)    Hydrophobic interactions




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Q.91    In the human body, which of the following is/are involved in processing of a foreign
        antigen?


(A)     B-cells


(B)     Macrophages


(C)     Red blood cells


(D)     Platelets




Q.92    Animals can be classified as ‘specialists’ or ‘generalists’ with respect to diet and
        habitat selection. Which of the following organism/s belong/s to the specialist
        category?


(A)     Raccoon


(B)     Panda


(C)     Polar Bear


(D)     Koala Bear




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Q.93 – Q.103 Multiple Choice Questions (MCQ) carry TWO marks each (for each
wrong answer: - 2/3)

 Q.93   Match the drug/chemicals listed in Column I with the developmental/physiological
        defects listed in Column II.

                         Column I                        Column II

                P. Veratrum alkaloids                    (i) Obesity
                Q. Thalidomide                           (ii) Minamata syndrome
                R. Methylmercury                         (iii) Cyclopia
                S. Diethylstilbesterol                   (iv) Phocomelia

 (A)    P-(iii); Q-(iv); R-(ii); S-(i)


 (B)    P-(i); Q-(iv), R-(iii), S-(ii)


 (C)    P-(ii), Q-(iv), R-(iii), S-(i)


 (D)    P-(ii), Q-(iii), R-(iv), S-(i)




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Q.94    Match the animals listed in Column I with primary tissue or organ of residence in
        the host listed in Column II

          Column I                               Column II

        P. Ascaris lumbricoides                 (i) Subcutaneous tissue in human

        Q. Dracunculus medinensis               (ii) Lymphatic vessels and lymph nodes

        R. Enterobius vermicularis              (iii) Small intestine

        S. Wuchereria bancrofti                 (iv) Caecum or vermiform appendix


(A)     P-(iii), Q-(iv), R-(ii), S-(i)


(B)     P-(i), Q-(iv), R-(iii), S-(ii)


(C)     P-(ii), Q-(iii), R-(iv), S-(i)


(D)     P-(iii), Q-(i), R-(iv), S-(ii)




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Q.95    Match the cell types listed in Column I with their sources in Column II and the
        primary functional roles listed in Column III.

        Column I                 Column II                Column III

        P. Microglial cells      (i) Lung                 a. Visual transduction

        Q. Leydig cells          (ii) Eyes                b. Hormone secretion

        R. ON cells              (iii) Brain              c. Phagocytosis

        S. Pneumocytes           (iv) Testis              d. Gaseous exchange


(A)     P-(iii)-b, Q-(iv)-c, R-(ii)-a, S-(i)-d


(B)     P-(ii)-c, Q-(iv)-d, R-(i)-a, S-(iii)-b


(C)     P-(i)-a, Q-(iv)-b, R-(ii)-c, S-(iii)-d


(D)     P-(iii)-c, Q-(iv)-b, R-(ii)-a, S-(i)-d




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Q.96    Match the ecological concepts listed in Column I with their definitions listed in
        Column II.

        Column I                            Column II

        P. Dominance hierarchies         (i) Giving up one’s own reproductive potential to
                                              benefit another individual

        Q. Territory                     (ii) Selection acting on related animals which affects
                                               fitness of an individual

        R. Altruism                      (iii) Exclusion of competing individuals using
                                               agonistic behavior

        S. Kin selection                 (iv) Preferential access to the food and mates in a
                                              group


(A)     P-(ii), Q-(iv), R-(i), S-(iii)


(B)     P-(iv), Q-(iii), R-(i), S-(ii)


(C)     P-(iii), Q-(iv), R-(i), S-(ii)


(D)     P-(i), Q-(iv), R-(iii), S-(ii)




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Q.97    Match the hormones listed in Column I with their primary source tissues in
        Column II and the primary target tissues listed in Column III

        Column I                            Column II               Column III

        P. Epinephrine                   (i) Hypothalamus         a. Pituitary

        Q. Prolactin                     (ii) Thyroid             b. Heart

        R. Calcitonin                    (iii) Pituitary          c. Bone

        S. Thyrotropin releasing         (iv) Chromaffin tissue   d. Pigeon’s crop
           hormone


(A)     P-(iii)-b, Q-(iv)-c, R-(ii)-a, S-(i)-d


(B)     P-(iv)-c, Q-(iii)-b, R-(ii)-a, S-(i)-d


(C)     P-(iv)-b, Q-(iii)-d, R-(ii)-c, S-(i)-a


(D)     P-(iii)-b, Q-(iv)-c, R-(ii)-d, S-(i)-a




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Q.98 – Q.100 Multiple Select Questions (MSQ) carry TWO marks each (no negative
marks)

Q.98    2-Deoxyglucose (2-DG) inhibits the proliferation of cells and hence finds use as an
        anti-cancer agent. It is also used in COVID therapy, where it blocks
        hyperproliferation of virus-infected cells. Mechanistically, 2-DG blocks glycolysis
        by inhibiting the activities of which of the following enzyme/s?


(A)     Hexokinase


(B)     Glucose 6-phosphate isomerase


(C)     Glucose-6 phosphate dehydrogenase


(D)     Phosphofructokinase




Q.99    According to Abbe’s equation on microscopy, the ability to resolve two entities
        inside a cell by light microscopy depends on which of the following factor/s?


(A)     Magnification of the objective lens


(B)     Intensity of incident light


(C)     Wavelength


(D)     Numerical aperture of the objective lens




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Q.100 Match the animal inactivity behaviors listed in Column I with representative animals
      in Column II and their definitions listed in Column III.

           Column I            Column II             Column III


         P. Torpor          (i) Australian      a. Prolonged period of inactivity without
                                burrowing frogs     reducing body temperature

         Q. Hibernation     (ii) Polar Bears       b. Inactivity period which accompanies
                                                       extended periods of dryness

         R. Winter sleep (iii) Ground              c. Decreased metabolism with lowered
                             Squirrels                 body temperature occurring in daily
                                                       activity cycles

         S. Aestivation     (iv) Hummingbirds d. Decreased metabolism and lower body
                                                 temperature for weeks or months




(A)     P-(ii)-c, Q-(iv)-b, R-(i)-a, S-(iii)-d


(B)     P-(iv)-c, Q-(iii)-d, R-(ii)-a, S-(i)-b


(C)     P-(iv)-c, Q-(ii)-b, R-(i)-a, S-(iii)-d


(D)     P-(iv)-b, Q-(i)-c, R-(ii)-d, S-(iii)-a




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Q.101 – Q.103 Numerical Answer Type (NAT), carry TWO marks each
(no negative marks).



Q.101   If the vital capacity (VC) of an individual is 4900 ml, the tidal volume (TV) is
        500 ml, and the inspiratory reserve volume (IRV) is 3300 ml, the expiratory reserve
        volume (ERV) of the individual is ________ml. (in integer).




Q.102   A typical food chain involves producers, herbivores, primary carnivores and
        secondary carnivores. Based on Lindeman’s law of trophic efficiency, if producers
        have 40 kJ of energy, the energy that will be stored in secondary carnivores
        is _____ kJ. (round off to two decimal places)




Q.103   The average body length of Drosophila nasuta collected from Andaman and
        Nicobar Islands is 2 mm. From this population, a few males and females having a
        body length of 3 mm were selected and interbred. The average body length of the
        resultant progeny was 2.5 mm. The heritability (h2) of the body length in this
        population is ______. (round off to one decimal place)




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Food Technology XL (U) Q.104 – Q.111 Carry ONE mark Each



Q.104   Which among the given options truly depict the lines 1 and 2 in the figure below
        with respect to the effect of heat processing on food?




(A)     1-Safety, 2-Quality


(B)     1-Yield, 2-Safety


(C)     1-Yield, 2-Quality


(D)     1-Quality, 2-Safety




Q.105   Homogenization of milk leads to disintegration of fat globules by


(A)     Turbulence and pasteurization


(B)     Pasteurization and cavitation


(C)     Pasteurization and pressurization


(D)     Turbulence and cavitation




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Q.106   The lowest water activity (aw) supporting the growth of Staphylococcus aureus in
        food under aerobic condition is


(A)     0.98


(B)     0.91


(C)     0.89


(D)     0.86




Q.107   Cultures used in industrial production of yogurt are


(A)     Lactococcus lactis subsp. lactis


(B)     Streptococcus thermophilus


(C)     Leuconostoc mesenteroides subsp. cremoris


(D)     Lactobacillus delbrueckii subsp. bulgaricus




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Q.108   In a dairy plant, spray drying technology is used to produce whey powder. The rate
        of spray drying depends on


(A)     Temperature of the incoming air


(B)     Shape of the cyclone separator


(C)     Diameter of the whey droplet


(D)     Heat transfer coefficient of hot air




Q.109   The parboiling of paddy results into


(A)     Increase in the milling losses


(B)     Increase in the nutritional value of rice


(C)     Increase in the head rice recovery


(D)     Increase in the broken rice percentage




Q.110   One hundred kg paddy is dried from 18% wet basis to 13% wet basis moisture
        content. The amount of water removed (in kg) from the paddy is _______ (round
        off to one decimal place).




Q.111   In a canning industry, the total process time (F0) was calculated as 3 min. If each
        can contains 20 spores having decimal reduction time of 1.6 min, the probability of
        spoilage would be ______ in 100 cans (round off to the nearest integer).




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Q.112 – Q.122 Carry TWO marks Each

Q.112   Match the edible oil refining stages given in Column I with their respective
        functions in Column II


         Column I                                   Column II


         P. Degumming                               1. Separation of waxes


         Q. Neutralization                          2. Removal of pigments


         R. Bleaching                               3. Removal of phosphatides


         S. Winterization                           4. Removal of free fatty acids


(A)     P-3, Q-2, R-1, S-4


(B)     P-2, Q-1, R-3, S-4


(C)     P-3, Q-4, R-2, S-1


(D)     P-3, Q-1, R-2, S-4




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Q.113   Make the correct pair of food packaging technology given in Column I with
        operating principle or description in Column II.


         Column I                                    Column II


         P. Aseptic packaging                   1. Control of the concentration of O2
                                                   and CO2 inside the package


         Q. Active packaging                    2. Create a skin tight package wall


         R. Modified atmosphere packaging       3. Independent sterilization of food
                                                   and packaging material and
                                                   packaging under sterile
                                                   environment


         S. Vacuum packaging                    4. Makes non-passive contribution to
                                                   product development


(A)     P-3, Q-4, R-1, S-2


(B)     P-3, Q-2, R-1, S-4


(C)     P-1, Q-4, R-3, S-2


(D)     P-3, Q-1, R-4, S-2




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Q.114   Which of the following is not a caramel flavour producing compound?


(A)     3-Hydroxy-2-methylpyran-4-one


(B)     2H-4-Hydroxy-5-methylfuran-3-one


(C)     3-Hydroxy-2-acetylfuran


(D)     p-Amino benzoicacid




Q.115   Match the size reduction equipment in Column I with the method of operation in
        Column II.


          Column I                                   Column II


         P. Hammer mill                          1. Compression


         Q. Burr mill                            2. Impact


         R. Crushing rolls                       3. Cutting


         S. Rotary knife                         4. Attrition


(A)     P-2, Q-4, R-1, S-3


(B)     P-3, Q-1, R-2, S-4


(C)     P-4, Q-1, R-2, S-3


(D)     P-3, Q-4, R-2, S-1




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Q.116   Most commonly used refrigerant in direct immersion freezing of food is


(A)     Monochlorodifluoromethane


(B)     Dichlorodifluoromethane


(C)     Liquid nitrogen


(D)     Freon




Q.117   Which among the following are -6 poly unsaturated essential fatty acids?


(A)     18:2 Linoleic acid


(B)     18:3 -Linolenic acid


(C)     18:3 -Linolenic acid


(D)     20:4 Arachidonic acid




Q.118   Which among the following statements are true with respect to protein
        denaturation?


(A)     There may be an increase in -helix and -sheet structure


(B)     It is an irreversible process


(C)     When fully denatured, globular proteins resemble a random coil


(D)     The peptide bonds are broken




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Q.119   Identify the correct pair(s) of milling equipment and the grain for which it is used.


(A)     Mist polisher–Rice


(B)     Break roll–Wheat


(C)     Rubber roll–Pigeon pea


(D)     Beall degermer–Maize




Q.120   Which among the following expression(s) is/are correct?


(A)     Reynolds number =
                                    ×         ×




(B)     Nusselt number =
                                                             ×




(C)     Schmidt number =


(D)     Biot number =
                                                         ×




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Q.121   In a dairy processing plant, milk enters a 30 m long and 2 cm diameter tube at
        60 C and leaves at 57 C. The total heat loss over the tube length is 381.15 W. The
        specific heat capacity, density, and viscosity of milk are 3.85 kJ kg-1 K-1,
        1020 kg m-3, and 1.20 cP, respectively. The Reynolds number for the flow is ______
        (round off to the nearest integer).

        Given: π = 3.14




Q.122   The dry bulb temperature and relative humidity of air inside a storage chamber are
        37 C and 50%, respectively. The saturation pressure of water vapour at 37 C and
        barometric pressure are 6.28 kPa and 101.32 kPa, respectively. The humidity ratio
        of air inside the chamber is ______ kg water (kg dry air)-1 (round off to three
        decimal places).

        Given: Molecular weight of water vapour and dry air are 18.02 g mol-1 and
        28.97 g mol-1, respectively.




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Q.No.   Session Question   Section   Key/Range        Mark
                Type       Name
1       6       MCQ        GA        C                1
2       6       MCQ        GA        B                1
3       6       MCQ        GA        C                1
4       6       MCQ        GA        D                1
5       6       MCQ        GA        A                1
6       6       MCQ        GA        B                2
7       6       MCQ        GA        D                2
8       6       MCQ        GA        D                2
9       6       MCQ        GA        D                2
10      6       MCQ        GA        C                2
11      6       MCQ        XL-P      C                1
12      6       MCQ        XL-P      B                1
13      6       MCQ        XL-P      B                1
14      6       MCQ        XL-P      A                1
15      6       MCQ        XL-P      D                1
16      6       MCQ        XL-P      A                1
17      6       MCQ        XL-P      C                1
18      6       MCQ        XL-P      C                1
19      6       NAT        XL-P      0.11 to 0.13     1
20      6       MCQ        XL-P      D                2
21      6       MSQ        XL-P      A, D             2
22      6       MSQ        XL-P      A, B, D          2
23      6       MSQ        XL-P      B, D             2
24      6       NAT        XL-P      9700 to 10000    2
25      6       NAT        XL-P      4 to 4           2
26      6       NAT        XL-P      28.2 to 28.3     2
27      6       NAT        XL-P      17.3 to 17.5     2
28      6       MCQ        XL-Q      C                1
29      6       MCQ        XL-Q      C                1
30      6       MCQ        XL-Q      A                1
31      6       MCQ        XL-Q      D                1
32      6       NAT        XL-Q      0.25 to 0.25     1
33      6       NAT        XL-Q      5.65 to 5.65     1
34      6       NAT        XL-Q      3 to 3           1
35      6       NAT        XL-Q      1500 to 1500     1
36      6       MCQ        XL-Q      A                2
37      6       MCQ        XL-Q      B                2
38      6       MCQ        XL-Q      B                2
39      6       MCQ        XL-Q      A                2
40      6       MCQ        XL-Q      A                2
41      6       MSQ        XL-Q      A, B, C          2
42      6       MSQ        XL-Q      A, B, C          2
43      6       NAT        XL-Q      -28.1 to -27.8   2
44      6       NAT        XL-Q      25 to 25         2

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45   6   NAT   XL-Q   0.4 to 0.4       2
46   6   NAT   XL-Q   16 to 16         2
47   6   MCQ   XL-R   C                1
48   6   MCQ   XL-R   B                1
49   6   MCQ   XL-R   B                1
50   6   MCQ   XL-R   D                1
51   6   MSQ   XL-R   A, B             1
52   6   MSQ   XL-R   B, C             1
53   6   MSQ   XL-R   A, C, D          1
54   6   NAT   XL-R   5 to 5           1
55   6   MCQ   XL-R   B                2
56   6   MCQ   XL-R   D                2
57   6   MCQ   XL-R   A                2
58   6   MCQ   XL-R   A                2
59   6   MCQ   XL-R   D                2
60   6   MCQ   XL-R   C                2
61   6   MCQ   XL-R   C                2
62   6   MSQ   XL-R   A, D             2
63   6   MSQ   XL-R   A, B, D          2
64   6   NAT   XL-R   18.75 to 18.75   2
65   6   NAT   XL-R   64.2 to 64.3     2
66   6   MCQ   XL-S   C                1
67   6   MCQ   XL-S   D                1
68   6   MCQ   XL-S   A                1
69   6   MCQ   XL-S   C                1
70   6   MCQ   XL-S   C                1
71   6   MCQ   XL-S   A                1
72   6   MSQ   XL-S   A, B, C          1
73   6   MSQ   XL-S   A, C, D          1
74   6   MCQ   XL-S   B                2
75   6   MCQ   XL-S   B                2
76   6   MCQ   XL-S   C                2
77   6   MCQ   XL-S   C                2
78   6   MCQ   XL-S   B                2
79   6   MSQ   XL-S   A, B             2
80   6   MSQ   XL-S   B, C             2
81   6   MSQ   XL-S   C, D             2
82   6   NAT   XL-S   4 to 4           2
83   6   NAT   XL-S   7.1 to 7.2       2
84   6   NAT   XL-S   1.2 to 1.3       2
85   6   MCQ   XL-T   B                1
86   6   MCQ   XL-T   A                1
87   6   MCQ   XL-T   C                1
88   6   MCQ   XL-T   B                1
89   6   MCQ   XL-T   C                1
90   6   MSQ   XL-T   A, B, D          1

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91    6   MSQ   XL-T   A, B             1
92    6   MSQ   XL-T   B, C, D          1
93    6   MCQ   XL-T   A                2
94    6   MCQ   XL-T   D                2
95    6   MCQ   XL-T   D                2
96    6   MCQ   XL-T   B                2
97    6   MCQ   XL-T   C                2
98    6   MSQ   XL-T   A, B             2
99    6   MSQ   XL-T   C, D             2
100   6   MSQ   XL-T   B                2
101   6   NAT   XL-T   1100 to 1100     2
102   6   NAT   XL-T   0.04 to 0.04     2
103   6   NAT   XL-T   0.5 to 0.5       2
104   6   MCQ   XL-U   A                1
105   6   MCQ   XL-U   D                1
106   6   MCQ   XL-U   D                1
107   6   MSQ   XL-U   B, D             1
108   6   MSQ   XL-U   A, C, D          1
109   6   MSQ   XL-U   B, C             1
110   6   NAT   XL-U   5.5 to 6.0       1
111   6   NAT   XL-U   25 to 28         1
112   6   MCQ   XL-U   C                2
113   6   MCQ   XL-U   A                2
114   6   MCQ   XL-U   D                2
115   6   MCQ   XL-U   A                2
116   6   MCQ   XL-U   C                2
117   6   MSQ   XL-U   A, C, D          2
118   6   MSQ   XL-U   A, C             2
119   6   MSQ   XL-U   A, B, D          2
120   6   MSQ   XL-U   A, C             2
121   6   NAT   XL-U   1700 to 1800     2
122   6   NAT   XL-U   0.017 to 0.021   2

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Source: GATE. Question paper published by GATE.