Biology MCQs

Question 1

Oxygenated blood flows through which vessel?

Accepted Answer

Pulmonary Veins

Answer

Pulmonary Arteries

Answer

Both A & B

Answer

None of the above

Question 2

Which of the following cells produce antibodies?

Accepted Answer

Plasma cells

Answer

Monocytes

Answer

Mast cells

Answer

Neutrophils

Question 3

Metal present in Haemoglobin

Accepted Answer

Iron

Answer

Copper

Answer

Mangnese

Answer

Zinc

Question 4

The right portion of human heart receives ________ blood.

Accepted Answer

Impure

Answer

Pure

Answer

Mixed

Question 5

Arteries supplying blood to the heart are called

Accepted Answer

Coronary arteries

Answer

Carotid arteries

Answer

Hepatic arteries

Answer

Pulmonary arteries

Question 6

The plasma of the blood contains which among the following constituents?I. ProteinsII. SaltsIII. Hormones

Accepted Answer

All I, II and III

Answer

Only I and II

Answer

Only I and III

Answer

Only II and III

Question 7

Antibodies is produced in the plasma of blood by

Accepted Answer

Lymphocytes

Answer

Monocytes

Answer

Eosinophils

Answer

Neutrophils

Question 8

Which one among the following statements is correct?

Accepted Answer

Except the pulmonary artery, all other arteries carry oxygenated blood

Answer

All arteries carry oxygenated blood

Answer

All veins carry oxygenated blood

Answer

Except the pulmonary vein, all other veins carry oxygenated blood

Question 9

To complete one heart beat the time taken is

Accepted Answer

0.8 second

Answer

1 sec

Answer

1 minute

Answer

1.5 sec