set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

The muscles in stomach are.

a) involuntary

b) voluntary

c) Cardior

d) None of the above

Question : 2

The junction between an axon and dendrite is called

a) synapse

b) cyton

c) relay

d) conduction zone

Question : 3

Which of the following is true of plants?

a) Plants can create their own sugar using aerobic cellular respiration.

b) Plants can create their own sugars using photosynthesis.

c) Plants can create their own sugars using fermentation.

d) Plants can create their own sugar using anaerobic cellular respiration.

Question : 4

The hormone reducing transpiration rate by inducing stomatal closure is

a) ethylene

b) cytokinin

c) ABA

d) auxin

Question : 5

Biological catalysts in living organisms are known as

a) vitamins

b) hormones

c) steroids

d) enzymes

Question : 6

Which of the followings organelles having single membrane bound structures ?

1. Endoplasmic reticulum
2. Golgi bodies
3. Mitochondria
4. Plastids

a) 3 and 4

b) 2 and 4

c) 1 and 2

d) 1, 2, 3 and 4