Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Arteries are best defined as the vessels which

  • Carry blood away from the heart to different organs

  • Break up into capillaries which reunite to form a vein

  • Carry blood from one visceral organ to another visceral organ

  • Carry blood from one visceral organ to another visceral organ

1327 Views

2.

Match the source gland with its respective hormone as well as the function.

  • Source gland Hormone Function
    Posterior pituitary Vasopressin Stimulates resorption of water in the distal tubules in the nephron

  • Source gland Hormone Function
    Corpus luteum Oestrogen Supports pregnancy

  • Source gland Hormone Function
    Thyroid Thyroxine Regulates blood calcium level

  • Source gland Hormone Function
    Thyroid Thyroxine Regulates blood calcium level

420 Views

3.

Which one of the following statements is correct regarding blood pressure?

  • 100/55 mmHg is considered an ideal blood pressure

  • 105/50 mmHg makes one very active

  • 190/110 mmHg may harm vital organs like brain and kidney

  • 190/110 mmHg may harm vital organs like brain and kidney

466 Views

4.

The Eyes of the potato tuber are

  • flower buds

  • shoot buds

  • axillary buds

  • axillary buds

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5.

Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of

  • Diaphragm

  • Neck

  • Tongue

  • Tongue

421 Views

6.

The figure given below shows a small part of human lung where exchange of gases takes place. In which one of the options given below, the one part A, B, C or D is correctly identified along with its function.

  • A: Alveolar cavity - main site of exchange of respiratory gases

  • D: Capillary wall - exchange of O2 and CO2 takes place here

  • B : Red blood cell - transport of CO2 mainly

  • B : Red blood cell - transport of CO2 mainly

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7.

The ciliated columnar epithelial cells in humans are known to occur in

  • bronchioles and fallopian tubes

  • bile duct and oesophagus

  • fallopian  tubes and urethra

  • fallopian  tubes and urethra

466 Views

8.

CAM helps the plants in

  • secondary growth

  • disease resistance

  • reproduction

  • reproduction

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9.

The function of leghemoglobin in the root nodules of legumes is 

  • oxygen removal 

  • nodule differentiation

  • expression of nif gene

  • expression of nif gene

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10.

'Bundle of His' is a part of which one of the following organs in humans?

  • Heart

  • Kidney

  • Pancreas

  • Pancreas


A.

Heart

The bundle of his known as AV bundle (atrio ventricular bundle) is a collection of heart muscles cells specialised for electrical conduction. These specialised muscle fibres in cardiologist wilhelm His, Jr., Who discovered them in 1893.

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