Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

Genetically engineered human insulin is called

  • humulin

  • haematin

  • hybridoma

  • hybrid


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52.

The food chain starts from :

  • consumer

  • producer

  • decomposer

  • nitrogen fixation


B.

producer

Food chain initiates from producers. Transfer of food energy from producers takes place through a series of organisms, i.e herbivores to carnivores to decomposers with repeated eating and being eaten is known as food chain.

Producers utilise the radient energy of sun which is transformed to chemical energy during photosynthesis. Thus, green plants occupy first trophic level in any food chain.


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53.

Humulin is a :

  • form of chitin

  • human insulin

  • digestive enzyme

  • antibiotics


54.

The substrate for photorespiration is :

  • glycolate

  • acetyl Co-A

  • pyruvic acid

  • glucose


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55.

Which of the following is the product of glucose fermentation by yeast?

  • C6H12O6

  • C2H5OH

  • (C6H10O5)n

  • CH2OH


56.

The formation of embryo without fusion of gametes is termed as :

  • apospory

  • isogamy

  • apogamy

  • syngamy


57.

The pesticide used as preventive measure in buildings is :

  • aldrin

  • dieldrin

  • endrin

  • DDT


58.

Which of the following is not a pollutant?

  • Hydrogen

  • Carbon dioxide

  • Sulphur dioxide

  • Carbon monooxide


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59.

Main air pollutant is :

  • CO

  • CO2

  • S

  • N2


60.

Cheese and yogurt are the products of

  • dehydration

  • fermentation

  • pasteurization

  • distillation


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