UGC NET 2009: June, Paper II, Environmental Sciences
Text of page 1
Signature and Name of Invigilator OMR Sheet No. : ......................................................
(To be filled by the Candidate)
1. (Signature)
Roll No.
(Name)
(In figures as per admission card)
2. (Signature) Roll No.
(In words)
(Name)
Test Booklet No.
J8 9 0 9 PAPERII
Time : 1¼ hours] ENVIRONMENTAL SCIENCE [Maximum Marks : 100
Number of Pages in this Booklet : 8 Number of Questions in this Booklet : 50
Instructions for the Candidates ¬⁄UˡÊÊÁÕ¸ÿÙ¢ ∑§ Á‹∞ ÁŸŒ¸‡Ê
1. Write your roll number in the space provided on the top of 1. ¬„‹U ¬ÎDU ∑§ ™§¬⁄U ÁŸÿà SÕÊŸ ¬⁄U •¬ŸÊ ⁄UÙ‹U Ÿê’⁄U Á‹Áπ∞–
this page. 2. ß‚ ¬˝‡Ÿ-¬òÊ ◊¢ ¬øÊ‚ ’„ÈÁfl∑§À¬Ëÿ ¬˝‡Ÿ „Ò¢–
2. This paper consists of fifty multiple-choice type of questions.
3. ¬⁄UˡÊÊ ¬˝Ê⁄êU÷ „ÙŸ ¬⁄U, ¬˝‡Ÿ-¬ÈÁSÃ∑§Ê •Ê¬∑§Ù Œ ŒË ¡ÊÿªË– ¬„‹U ¬UÊ°ø Á◊Ÿ≈U
3. At the commencement of examination, the question booklet
will be given to you. In the first 5 minutes, you are •Ê¬∑§Ù ¬˝‡Ÿ-¬ÈÁSÃ∑§Ê πÙ‹Ÿ ÃÕÊ ©‚∑§Ë ÁŸêŸÁ‹Áπà ¡Ê°ø ∑§ Á‹∞ ÁŒÿ
requested to open the booklet and compulsorily examine it ¡Êÿ¢ª Á¡‚∑§Ë ¡Ê°ø •Ê¬∑§Ù •fl‡ÿ ∑§⁄UŸË „Ò —
as below : (i) ¬˝‡Ÿ-¬ÈÁSÃ∑§Ê πÙ‹Ÿ ∑§ Á‹∞ ©‚∑§ ∑§fl⁄U ¬¡§¬⁄U ‹ªË ∑§Êª¡ ∑§Ë
(i) To have access to the Question Booklet, tear off the ‚Ë‹ ∑§Ù »§Ê«∏U ‹¢U– πÈ‹Ë „È߸ ÿÊ Á’ŸÊ S≈UË∑§⁄U-‚Ë‹U ∑§Ë ¬ÈÁSÃ∑§Ê
paper seal on the edge of this cover page. Do not SflË∑§Ê⁄U Ÿ ∑§⁄¢U–
accept a booklet without sticker-seal and do not accept
an open booklet. (ii) ∑§fl⁄U ¬ÎDU ¬⁄U ¿U¬ ÁŸŒ̧‡ÊÊŸÈ‚Ê⁄U ¬˝‡Ÿ-¬ÈÁSÃ∑§Ê ∑§ ¬ÎDU ÃÕÊ ¬˝‡ŸÙ¢ ∑§Ë
(ii) Tally the number of pages and number of questions ‚¢ÅÿÊ ∑§Ù •ë¿UË Ã⁄U„ øÒ∑§ ∑§⁄U ‹¢U Á∑§ ÿ ¬Í⁄U „Ò¢U– ŒÙ·¬Íáʸ ¬ÈÁSÃ∑§Ê
in the booklet with the information printed on the Á¡Ÿ◊¢ ¬ÎDU / ¬˝‡Ÿ ∑§◊ „Ù¢ ÿÊ ŒÈ’Ê⁄UÊ •Ê ªÿ „Ù¢ ÿÊ ‚ËÁ⁄Uÿ‹U ◊¢ Ÿ „Ù¢
cover page. Faulty booklets due to pages/questions •Õʸà Á∑§‚Ë ÷Ë ¬˝∑§Ê⁄U ∑§Ë òÊÈÁ≈U¬Íáʸ ¬ÈÁSÃ∑§Ê SflË∑§Ê⁄U Ÿ ∑§⁄¢U ÃÕÊ
missing or duplicate or not in serial order or any ©‚Ë ‚◊ÿ ©‚ ‹Uı≈UÊ∑§⁄U ©‚∑§ SÕÊŸ ¬⁄U ŒÍ‚⁄UË ‚„Ë ¬˝‡Ÿ-¬ÈÁSÃ∑§Ê
other discrepancy should be got replaced immediately
by a correct booklet from the invigilator within the
‹ ‹¢– U ß‚∑§ Á‹∞ •Ê¬∑§Ù ¬Ê°ø Á◊Ÿ≈U ÁŒÿ ¡Êÿ¢ª– ©‚∑§ ’ÊŒ Ÿ
period of 5 minutes. Afterwards, neither the question ÃÙ •Ê¬∑§Ë ¬˝‡Ÿ-¬ÈÁSÃ∑§Ê flʬ‚ ‹Ë ¡ÊÿªË •ı⁄U Ÿ „Ë •Ê¬∑§Ù
booklet will be replaced nor any extra time will be •ÁÃÁ⁄UQ§ ‚◊ÿ ÁŒÿÊ ¡ÊÿªÊ–
given. (iii) ß‚ ¡Ê°ø ∑§ ’ÊŒ ¬˝‡Ÿ-¬ÈÁSÃ∑§Ê ∑§Ë R§◊ ‚¢ÅÿÊ OMR ¬òÊ∑§ ¬⁄U
(iii) After this verification is over, the Test Booklet Number •¢Á∑§Ã ∑§⁄¢U •Uı⁄U OMR ¬òÊ∑§ ∑§Ë R§◊§‚¢ÅÿÊ ß‚ ¬˝‡Ÿ-¬ÈÁSÃ∑§Ê ¬⁄U
should be entered in the OMR Sheet and the •¢Á∑§Ã ∑§⁄U Œ¢–
OMR Sheet Number should be entered on this Test
Booklet. 4. ¬˝àÿ∑§ ¬˝‡Ÿ ∑§ Á‹∞ øÊ⁄U ©ûÊ⁄U Áfl∑§À¬ (A), (B), (C) ÃÕÊ (D) ÁŒÿ ªÿ „Ò¢–
4. Each item has four alternative responses marked (A), (B), •Ê¬∑§Ù ‚„Ë ©ûÊ⁄U ∑§ ŒËÉʸflÎûÊ ∑§Ù ¬Ÿ ‚ ÷⁄U∑§⁄U ∑§Ê‹Ê ∑§⁄UŸÊ „Ò ¡Ò‚Ê Á∑§ ŸËø
(C) and (D). You have to darken the oval as indicated ÁŒπÊÿÊ ªÿÊ „Ò–
below on the correct response against each item. ©ŒÊ„⁄UáÊ — A B C D
Example : A B C D ¡’Á∑§ (C) ‚„Ë ©ûÊ⁄U „Ò–
where (C) is the correct response. 5. ¬˝‡ŸÙ¢ ∑§ ©ûÊ⁄U ∑§fl‹U ¬˝‡Ÿ ¬òÊ I ∑§ •ãŒ⁄U ÁŒÿ ªÿ ©ûÊ⁄U-¬òÊ∑§ ¬⁄U „Ë •¢Á∑§Ã
5. Your responses to the items are to be indicated in the Answer ∑§⁄UŸ „Ò¢– ÿÁŒ •Ê¬ ©ûÊ⁄U ¬òÊ∑§ ¬⁄U ÁŒÿ ªÿ ŒËÉʸflÎûÊ ∑§ •‹ÊflÊ Á∑§‚Ë •ãÿ
Sheet given inside the Paper I booklet only. If you mark SÕÊŸ ¬⁄U ©ûÊ⁄U Áøã„Ê¢Á∑§Ã ∑§⁄Uà „Ò, ÃÙ ©‚∑§Ê ◊ÍÀUÿÊ¢∑§Ÿ Ÿ„Ë¢ „٪ʖ
at any place other than in the ovals in the Answer Sheet, it
will not be evaluated. 6. •ãŒ⁄U ÁŒÿ ªÿ ÁŸŒ¸‡ÊÙ¢ ∑§Ù äÿÊŸ¬Ífl¸∑§ ¬…∏¢U–
6. Read instructions given inside carefully. 7. ∑§ìÊÊ ∑§Ê◊ (Rough Work) ß‚ ¬ÈÁSÃ∑§Ê ∑§ •ÁãÃ◊ ¬ÎDU ¬⁄U ∑§⁄¢U–
7. Rough Work is to be done in the end of this booklet. 8. ÿÁŒ •Ê¬ ©ûÊ⁄U-¬ÈÁSÃ∑§Ê ¬⁄U •¬ŸÊ ŸÊ◊ ÿÊ ∞‚Ê ∑§Ù߸ ÷Ë ÁŸ‡ÊÊŸ Á¡‚‚ •Ê¬∑§Ë
8. If you write your name or put any mark on any part of the ¬„øÊŸ „Ù ‚∑§, §Á∑§‚Ë ÷Ë ÷ʪ ¬⁄U Œ‡Êʸà ÿÊ •¢Á∑§Ã ∑§⁄Uà „Ò¢ ÃÙ ¬⁄UˡÊÊ ∑§
test booklet, except for the space allotted for the relevant Á‹ÿ •ÿÙÇÿ ÉÊÙÁ·Ã ∑§⁄U ÁŒÿ ¡Êÿ¢ª–
entries, which may disclose your identity, you will render
yourself liable to disqualification. 9. •Ê¬∑§Ù ¬⁄UˡÊÊ ‚◊Ê# „ÙŸ §¬⁄U ¬˝‡Ÿ-¬ÈÁSÃ∑§Ê ∞fl¥ OMR ©ûÊ⁄U-¬òÊ∑§ ÁŸ⁄UˡÊ∑§
9. You have to return the test question booklet and OMR ◊„ÙŒÿ ∑§Ù ‹Uı≈UÊŸÊ •Êfl‡ÿ∑§ „Ò •ı⁄U ¬⁄UˡÊÊ ‚◊ÊÁ# ∑§ ’ÊŒ ©‚ •¬Ÿ ‚ÊÕ
Answer Sheet to the invigilators at the end of the ¬⁄UˡÊÊ ÷flŸ ‚ ’Ê„⁄U Ÿ ‹∑§⁄U ¡Êÿ¢–
examination compulsorily and must not carry it with you
10. ∑§fl‹ ŸË‹ / ∑§Ê‹ ’Ê‹U åflÊßZ≈U ¬ÒŸ ∑§Ê „Ë ßSÃ◊Ê‹ ∑§⁄¢U–
outside the Examination Hall.
10. Use only Blue/Black Ball point pen. 11. Á∑§‚Ë ÷Ë ¬˝∑§Ê⁄U ∑§Ê ‚¢ªáÊ∑§ (∑Ò§‹∑ȧ‹≈U⁄U) UÿÊ ‹Êª ≈U’‹ •ÊÁŒ ∑§Ê
11. Use of any calculator or log table etc., is prohibited. ¬˝ÿÙª flÁ¡¸Ã „Ò–
12. There is NO negative marking. 12. ª‹Ã ©ûÊ⁄U ∑§ Á‹∞ •¢∑§ Ÿ„Ë¢ ∑§Ê≈U ¡Êÿ¢ª–
J8909 1 P.T.O.
Text of page 2
ENVIRONMENTAL SCIENCE
PAPERII
Note : This paper contains fifty (50) multiple-choice questions, each question carrying
two (2) marks. Attempt all of them.
1. Which of the following bacterium is used in the recovery of otherwise unprofitable
grades of Uranium and Copper ores ?
(A) Escherichia coli (B) Azotobacter
(C) Clostridium (D) Thiobacillus ferroxidans
2. A measure of the amount of oxygen consumed in the biological process that break
down organic matter is known as :
(A) Bioconcentration (B) Biochemical oxygen demand
(C) Bioaccumulation (D) Biomagnification
3. Which of the following was formed first ?
(A) RNA (B) DNA
(C) DNA and RNA both (D) Eucryotic cell
4. Which of the following can be used for biological destruction of undesired fungal mass?
(A) Bacteriophages (B) Mycophages
(C) TMV (D) HIV
5. Which of the following have alga as symbiont ?
(A) Pinus (B) Walnut
(C) Coralloid roots of cycas (D) Mango tree
6. Organisms which require ingestion of one or several organic compounds are called :
(A) Autotrophs (B) Facultative Autotrophs
(C) Chemotrophs (D) Heterotrophs
7. Which of the following cell is present in bone cortex ?
(A) Osteoblast (B) Osteocalcin
(C) Stem cells (D) Astrocytes
8. The equation of state of a gas, incorporating the Van der Waals correction is given as :
a
(A) PV5RT P1 2 (V2 b ) 5RT
(B)
v
g
(C) PV 5constant (D) PV5constant
Where P5pressure, V5volume, R5gas constant, T5absolute temperature, a and b
are constants.
g5cp/cv, where cp and c v are the specific heat at constant pressure and volume
respectively.
J8909 2
Text of page 3
9. Assertion (A) : Cedar wood oil is used as immersion oil for 100-X lens of microscope.
Reason (R) : The refractive index of cedar wood oil is same as that of the glass
slide.
(A) Both (A) and (R) are true and (R) is correct explanation of (A)
(B) (A) is true and (R) is false
(C) Both (A) and (R) are true but (R) is not correct explanation of (A)
(D) (A) is false but (R) is true
10. How do insect pheromones work as biopesticides :
(A) Work as mating disruption agents in insects
(B) Kills bacteria
(C) Kills fungi
(D) Kills protists
11. For a normal distribution, the skewness is :
(A) 1 (B) : (C) 0 (D) 1
2
12. The derivatives of f at x50, where f (x)5x2?x? is :
(A) Zero (B) 1 (C) 2 (D) 3
13. A cyclist starting from stand still acclerates at 0.4 m sec21 for 10 seconds. (a) what
velocity does it reach and (b) the distance it covers :
(A) (a) 4 m sec21 (b) 10 m (B) (a) 4 m sec21 (b) 20 m
(C) (a) 2 m sec21 (b) 10 m (D) (a) 2 m sec21 (b) 20 m
14. The law of conservation of energy is described by :
(A) Zeroth law of thermodynamics (B) First law of thermodynamics
(C) Second law of thermodynamics (D) Third law of thermodynamics
15. A microwave source has a wavelength of 4 cm. Given then their speed is
33108 m sec21, the frequency is :
(A) 7.0 GHZ (B) 7.5 GHZ (C) 12.0 GHZ (D) 14.0 GHZ
16. As per temperature of an n-type semiconductor increases, the number of hole :
(A) Does not change but the number of electrons increases
(B) Decreases but the number of electrons increases
(C) Increases but the number of electrons does not change
(D) Increases but the number of electrons decreases
17. The region of the electromagnetic spectrum, which are used for remote sensing in
microwave region include :
(A) < 0.1 cm (B) 0.1 2.0 cm (C) 2.0 10.0 cm (D) 0.1 30.0 cm
J8909 3 P.T.O.
Text of page 4
18. Photovoltaics (solar cells) work on the principle of :
(A) Raman effect (B) Zeeman effect
(C) Photoelectric effect (D) Faraday effect
19. Doppler effect is not commonly observed using light, because :
(A) Velocity of sound is much smaller than that of light
(B) Light is an electromagnetic wave
(C) Object has to be moving at a speed that is a significant fraction of the speed of
light.
(D) Sound is audible
∞
dx
20. The value of the integral ∫ x x 2 21 is :
2
(A) Zero (B) π (C) π (D) π
2 4 8
21. One of the important mechanism of aerosol formation is :
(A) Nucleation from vapour molecules
(B) Breakdown of nimbus clouds
(C) Precipitation in local ponds
(D) Cracking of ionosphere
22. Isomorphism in a solid :
(A) Refers to different shapes but same chemistry
(B) Refers to same chemistry but different shapes
(C) Refers to different structure but same chemistry
(D) Refers to different chemistry but same structure
23. Electromagnetic pollution is caused by :
(A) Vehicular traffic (B) Mobile phones
(C) Aircraft noise (D) Lightening and thunder storms
24. Effect of doubling in concentration of green house gases such as CO2, will lead to an
increase in the temperature (taking initially at 3008 K) by an amount :
(A) 1.08 K (B) 1.268 K (C) 2.268 K (D) 3.168 K
25. The relationship between pressure (r), velocity ( ) and height (h), is given by Bernoullis
equation :
1 1
(A) r1 rv 2 1r gh 5 constant (B) r1 rv 2 1r gh 5 constant
2 2
1 1 1 2 1
(C) r1 rv 2 1 r gh 5 constant (D) r1 rv 1 r gh 5 constant
2 2 2 2
where r5density
g5Accleration due to gravity
J8909 4
Text of page 5
1
26. After 560 days, 1 gm of a radioactive element is reduced to gm. The half life of the
16
radioactive element is :
(A) 140 days (B) 280 days (C) 70 days (D) 210 days
27. In pure water, the generation of each one of the ions H 1and OH 2 at standard
temperature and pressure :
(A) 10214 m/l (B) 0.5310214/l (C) 1027 m/l (D) 231027m/l
28. pH of sea water is about :
(A) 7.0 (B) 6.0 (C) 8.0 (D) 9.2
29. In colloidal chemical substance, the light undergoes :
(A) Diffraction (B) Polarization
(C) Scattering (D) Total internal reflection
30. In an one-component system H2O critical point refers to :
(A) Co-existence of solid and gas phases
(B) Co-existence of all phases
(C) Pressure of liquid and gas phase
(D) Absence of liquid and gas phases
31. Out of the following minerals which is a non-silicate :
(A) Muscovite (B) Quartz (C) Hornblende (D) Siderite
32. Density of seawater (g/cm3) at 208 C and salinity 35%, at atmospheric pressure is :
(A) 1.024785 (B) 1.256135 (C) 1.362398 (D) 1.481359
33. December 26, 2004 Tsunami in the Indian Ocean was caused by movements between
(A) Australian and Antarctic plates
(B) Indian and Australian plates
(C) Burmese arc and Indonesian archipelago
(D) Pacific plate and Asian plate
34. Material left behind when part of a rock is removed by chemical weathering process is
called :
(A) Left over deposit (B) Lag deposit
(C) Residual deposit (D) Chemical precipitate
35. Water table that is a reference line, represents a hypothetical line below the surface
where :
(A) Water is always present above the reference line
(B) Water is never present above the reference line
(C) Water is always present below the reference line
(D) Above the reference line is a zone of reduction
J8909 5 P.T.O.
Text of page 6
36. Geological process whereby one constituent in a mineral is progressively substituted by
another is called :
(A) Alteration (B) Precipitation
(C) Absorption (D) Replacement
37. A landscape which shows a pattern of denudation in limestone and dolomitic rock is
know as :
(A) Plateau (B) Mesa topography
(C) Scarp face topography (D) Karst topography
38. Weathering of a granite rock produces a sedimentary rock known as :
(A) Graywacke (B) Arkose (C) Limestone (D) Shale
39. An environment agency measures the average velocity of flow in a river to be
1.1 m sec21, where it is 0.5 m deep and 5.0 m wide. The flow rate is :
(A) 2.75 m3 sec21 (B) 3.75 m3 sec21
3
(C) 4.75 m sec 21 (D) 5.75 m3 sec21
40. In a nuclear reactor fission of U238 is brought about by :
(A) a rays (B) b rays
(C) g rays (D) Thermal neutrons
41. The radioactivity attributable to radon in the air is measured in :
(A) Microgram per litre (B) Picocuries per litre
(C) Parts per million (D) Percentage
42. pH of human blood is :
(A) 4 (B) 7 (C) 8 (D) 10
43. Hardness of water is due to :
(A) Na and K (B) Ca, Mg and CO3
(C) Na, K, Ca, Mg (D) Ca, Mg, CO3, SO4
44. Fastest seismic wave is :
(A) Y wave (B) X wave (C) M wave (D) P wave
45. Biomass fuels can provide a sustainable substitute for fossil fuels, with :
(A) Decrease in carbon dioxide production
(B) Increase in carbon dioxide production
(C) Slight variation in carbon dioxide production
(D) No net carbon dioxide production
J8909 6
Text of page 7
46. Which of the following is not a clay mineral ?
(A) Kaolinite (B) Montimorillonite
(C) Illite (D) Pyroxene
47. When a bottle of fully packed water in plastic bottle is fully frozen, then while
opening :
(A) The empty space develops inside the bottle due to less total volume
(B) Due to increased pressure inside the bottle, the bottle cracks
(C) Due to increased volume inside the plastic bottle, the bottle cracks
(D) Due to both increased pressure and density inside the bottle, the bottle shrinks in
size
48. Global Warming Potential of the gases increases in order of :
(A) CH4 > CO2 > NOX (B) NOX > CH4 > CO2
(C) CO2 > CH4 > NOX (D) CO2 > NOX > CH4
49. One of the following is the correct order of increasing energy content :
(A) Gasoline > Wood > Cowdung (B) Cowdung > Gasoline > Wood
(C) Gasoline > Cowdung > Wood (D) Coal > Cowdung > Wood
50. A man weighing 70 kg on the surface of the earth, will weigh on the surface of moon :
(A) Same as that on the surface of earth
1
(B) as that on the surface of earth
6
1
(C) as that on the surface of earth
8
1
(D) as that on the surface of earth
10
-oOo-
J8909 7 P.T.O.
Text of page 8
Space For Rough Work J8909 8
Official key not published for this paper.
Page 1 of 8
Source: University Grants Commission. Question paper published by University Grants Commission.