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


52.

The food chain starts from :

  • consumer

  • producer

  • decomposer

  • nitrogen fixation


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


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56.

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

  • apospory

  • isogamy

  • apogamy

  • syngamy


C.

apogamy

Apogamy is the formation of sporophyte from gametophytic cell except egg without fertilization.

Apospory is the formation of gametophyte from a sporophytic cell without meiosis.

Isogamy is the sexual reproduction by the fusion of similar gametes.

Syngamy is the fusion of two cells or of their nuclei, in reproduction.


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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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