Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Glucose and amino acids are reabsorbed in the

  • proximal tubule

  • distal tubule

  • collecting duct

  • loop of Henle


2.

The amount of CSF in the cranial cavity

  • 500 mL

  • 140 mL

  • 1 litre

  • 1.5 mL


3.

Which one is imino acid?

  • Pepsin

  • Proline

  • Cysteine

  • Renin


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4.

The main difference between Gram positive and Gram negative bacteria is

  • cell membrane

  • cell wall

  • ribosome

  • mitochondria


B.

cell wall

The main difference between Gram positive and Gram negative bacteria is the cell wall. The cell wall of Gram negative bacteria contain peptidoglycan (10%), lipopolysaccharides, lipoprotein and phospholipid, while cell wall of Gram positive bacteria contain peptidoglycan (60-90%), teichoic acid and lipids.


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5.

ACTH is secreted from

  • adrenal cortex

  • pituitary

  • adrenal medulla

  • thyroid


6.

Which of the following is the correct pathway for propagation of cardiac impulse?

  • SA node  AV node  Bundle of His  Purkinje fibres

  • AV node  Bundle of His  SA node  Purkinje fibres

  • SA node  Purkinje fibres  AV node  Bundle of His

  • Purkinje fibres  AV node  SA node  Bundle of His


7.

Inner surface of the bronchi, bronchioles and fallopian tubes are lined by

  • cubical epithelium

  • columnar epithelium

  • squamous epithelium

  • ciliated epithelium


8.

Electric potential of the brain is recorded by

  • CT scan

  • Sphygmomanometer

  • ECG

  • EEG


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9.

The gastrin is secreted from

  • intestine

  • stomach

  • pancreas

  • rectum


10.

The cause of cretinism is

  • hypothyroidism

  • hypoparathyroidism

  • hyperthyroidism

  • hyperparathyroidism


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