Who is known as "Father of Zoology"-
Answer: C
Aristotle is called the father of zoology.
His Historia Animalium, De Partibus Animalium and De Generatione Animalium describe and classify animals from direct observation, and his scala naturae was the first systematic arrangement of the animal kingdom.
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The term biology is derived from the language-
Answer: D
Biology comes from Greek: bios, life, and logos, study.
The word was coined in its modern sense around 1800, independently by Lamarck in France and Treviranus in Germany.
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Rickets is caused by deficiency of
Answer: A
Rickets is caused by a deficiency of vitamin D.
Without it the gut cannot absorb calcium, so the growing bones are not properly mineralised and bend under the child's weight, giving the characteristic bowed legs. The adult form is osteomalacia.
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out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
Answer: B
Carbohydrates are the smallest component of the cell membrane, at about 2 to 10 per cent.
Proteins make up roughly half by mass and lipids most of the rest. The carbohydrates occur only on the outer face, attached to proteins and lipids, where they act in cell recognition.
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Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
Answer: C
Class is the most inclusive of these.
The hierarchy runs kingdom, phylum, class, order, family, genus, species, subspecies - each level containing the next. So a class contains many orders, each of which contains many genera.
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Breeding and management of bees is known as :
Answer: A
The breeding and management of bees is apiculture, from the Latin apis, bee.
Sericulture is silkworm rearing, pisciculture fish farming and silviculture forestry.
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Most fish do not sink in water because of the presence of
Answer: A
Statements 1 and 2 are correct: fish stay buoyant because of the swim bladder, also called the air bladder.
It is a gas-filled sac whose volume the fish adjusts to match its density to the surrounding water, so it can hold depth without swimming. Sharks have none and must keep moving to avoid sinking.
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Of the following biological levels of organization, which represents the smallest or lowest level?
Answer: A
The cell is the lowest of these levels.
The hierarchy runs cell → tissue → organ → organ system → organism → population → community → ecosystem. The cell is the smallest unit that shows all the properties of life.
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Which of the following is not a root?
Answer: A
The potato is not a root - it is a stem tuber, the swollen tip of an underground branch, with buds (the eyes) and scale leaves.
Carrot and radish are swollen taproots, and sweet potato is a swollen adventitious root.
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Pollen grains in plants are produced in
Answer: C
Pollen grains are produced in the flower, in the anthers of the stamens.
Each pollen grain is the male gametophyte, containing the cells that will produce the male gametes. The anther's four pollen sacs release it when they split open.
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