set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

In which part of the cinchona plant quinine occurs naturally?

a) Fruit

b) Seed

c) Root

d) Bark

Question : 2

Which one of the following is a fruit?

a) Radish

b) Lady finger

c) Potato

d) Sweet potato

Question : 3

Poisonous fangs of a snake are modified form of

a) Palatine teeth

b) Canine teeth

c) Mandibular teeth

d) Maxillary teeth

Question : 4

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 : 5

Nependthes khasiana a rare and endangered plant is found in

a) Madhya Pradesh

b) Meghalaya

c) Himachal Pradesh

d) Uttar Pradesh

Question : 6

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