set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following animals.

1. Sea cow
2. Sea horse
3. Sea lion

a) 1 and 3

b) 2 and 3

c) Only 1

d) All of these

Question : 2

Nependthes khasiana a rare and endangered plant is found in

a) Madhya Pradesh

b) Meghalaya

c) Himachal Pradesh

d) Uttar Pradesh

Question : 3

Desert plants have longer root system because

a) Roots grow in search of water

b) Soil does not contain water, hence becomes compact and presses the roots to grow longer

c) High temperature of the soil stimulates the growth of roots

d) Roots moves opposite to the solar heat

Question : 4

Which one of the following statements is not correct?

a) Roundworm has no circulatory system

b) In bony fishes, swim bladder is usually present

c) All echinoderms are viviparous

d) In cartilaginous fishes, fertilization is internal

Question : 5

Glow worm is

a) An insect

b) A worm

c) A mollusca

d) A nematode

Question : 6

Red colour in tomato is due to

a) Lycopene

b) Xanthophyll

c) Capsaicin

d) None of these