Question # 1

Outside back bone of double helix is made up:

Sugar

Phosphate

Sugar Phosphate

None of these

How many lobs are present in right lung?

2

3

4

5

Which bring deoxygenated blood form heart into lungs?

Pulmonary veins

Pulmonary Artery

Aorta

Wind Pipe

Double fertilization in plants means:

Fusion of two sperm with two egg cells.

Fusion of one sperm with egg cell and other sperm with fusion nucleus

Fusion of two sperm with single egg cell

Fusion of tube nucleus with fusion nucleus and sperm egg cell

Which organ is responsible for filtering the blood?

Intestine

Brain

Stomach

Kidney

A material which contain weekened pathogen is called:

Vaccines

Antigens

Antibodies

Antibiotics

Biology Life Science Test Easy Mode MCQs With Answers