set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following would not have an effect on flowering of a particular plant species?

a) Nutritional status

b) Temperature

c) Plant age

d) Prevailing wind

Question : 2

Which among the following have Open circulatory system?

1. Arthropoda
2. Mollusca
3. Annelida
4. Coelenterata

a) 1 and 3

b) 3 and 4

c) 1 and 2

d) 2 and 4

Question : 3

Which of the following cells is responsible for myelin formation in the peripheral nervous system?

a) Schwann cell

b) Oligodendrocyte

c) Astrocyte

d) Microglial cell

Question : 4

Which among the following have scales?

1. Amphibians
2. Pisce
3. Reptiles
4. Mammals

a) 2 and 3

b) 3 and 4

c) 1 and 3

d) 1 and 2

Question : 5

Consider the following statements :

1. A nerve is a bundle of axons of the neurons.
2. Collenchyma cells are dead and have irregular thickenings at the corners.
3. Skin epithelium is called stratified squamous epithelium because it has one layer of cells.
4. Tendons connect muscles to bones.

a) 1 and 4

b) 3 only

c) 1 and 2

d) 1, 2, 3 and 4

Question : 6

When oxygen is released as a result of photosynthesis, it is a by-product of which of the following?

a) The electron transfer system of photosystem

b) Splitting the water molecules

c) Chemiosmosis

d) None