Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

The average diameter of red blood corpuscles of man is

  • 7.2 µm

  • 8.1 µm

  • 9.2 µm

  • 10.3 m


2.

FAD is electron acceptor during oxidation of which of the following

  • ketoglutarate ➔ Succinyl Co-A

  • Succinic acid➔ Fumaric acid

  • Succinyl Co-A ➔ Succinic acid

  • Fumaric acid ➔ Malic acid


3.

The chemical nature of hormones secreted by α and β cells of pancreas is

  • glycolipid

  • glycoprotein

  • steroid

  • polypeptide


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4.

How many ATP molecules are obtained from fermentation of 1 molecule of glucose

  • 4

  • 3

  • 5


A.

The net energy gain in fermentation is 2 ATP molecules/glucose molecule. In both lactic acid and alcoholic fermentation, all the NADH produced in glycolysis is consumed in fermentation, so there is no net NADH production, and no NADH to enter the ETC and form more ATP.


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5.

In which stage of cell division chromosomes are most condensed

  • Prophase

  • Metaphase

  • Anaphase

  • Telophase


6.

Which one is product of aerobic respiration

  • Malic acid 

  • Ethyl alcohol

  • Lactic acid

  • Pyruvic acid


7.

CO2 acceptor in C3 cycle is

  • OAA

  • RuBP

  • PEP

  • Malic acid


8.

Virus was discovered by whom

  • Stanley

  • Ivanowski

  • Herelle

  • Beijerinck


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9.

Electron microscope is based on the principle of

  • electromagnetic theory

  • resolution of glass lenses

  • magnification of glass lenses

  • refraction of light


10.

Citric acid cycle is the alternate name of which of the following

  • HMP shunt

  • Glycolysis

  • TCA cycle

  • Calvin cycle


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