set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

Fishes survive under the frozen lake, because

a) Fishes are in hibernation under it

b) Water does not freeze near bottom

c) Fishes have hot blood

d) Ice is the conductor of heat

Question : 2

Which one of the following is a true fish?

a) Jellyfish

b) Dogfish

c) Starfish

d) Seahorse

Question : 3

Biologists have so far known, found and identified a large number of species in the plant and animal kingdom. In terms of numbers, the largest found and identified so far is from among the

a) Plants

b) Insects

c) Fungi

d) Bacteria

Question : 4

What is the botanical name of opium?

a) Papaver Somniferum

b) Rauwolfia Serpentina

c) Emblica officinalis

d) Cinchona Species

Question : 5

Octopus is

a) An echinoderm

b) A hemichordate

c) An arthropod

d) A molluse

Question : 6

Opium is obtained from

a) Roots

b) Latex from unripe fruit

c) Dried leaves

d) Latex from ripe fruit