Q.1: The organisms that can manufacture their own food are called ___________.
a) consumers
b) scavengers
c) producers
Q.2: Match the following:
Plant/Animal | Their Habitat |
1. Cactus | i. Pond |
2. Penguin | ii. Desert |
3. Fish | iii. Polar region |
a) 1-iii, 2-ii, 3-i
b) 1-ii, 2-iii, 3-i
c) 1-iii, 2-i, 3-ii
Q.3: Which of the following is an abiotic component ?
a) soil
b) animal
c) plant
Q.4: The large animals that eat secondary consumers are called ____________.
a) Top carnivores
b) Tertiary consumers
c) Both
Q.5: ___________ type of leaves allow water currents to pass through without damaging the leaves.
a) thin and ribbon-like
b) thick and ribbon-like
c) leaves with waxy coating
Q.6: Due to the availability of ________, roots of aquatic plants are either absent or poorly-developed.
a) oxygen
b) water
c) soil
Q.7: The changes that take place in the body of an organism over short period of time to adjust in the surroundings are called _______________.
a) aestivation
b) acclimatisation
c) adaptation
Q.8: The skin of frog is always _________.
a) moist
b) dry
c) cold
Q.9: Grasses growing in ____________ habitats have flexible stalks which do not bend or break in windy conditions.
a) aquatic
b) desert
c) grassland
Q.10: The eyes of the deer are situated on __________________.
a) the front
b) the sides of the head
c) the back
Q.11: Match the following:
Biotic Components | Their Examples |
1. Primary consumer | i. frog |
2. Scavenger | ii. vulture |
3. Secondary consumer | iii. horse |
a) 1-iii, 2-ii, 3-i
b) 1-ii, 2-iii, 3-i
c) 1-iii, 2-i, 3-ii
Q.12: The annual rainfall in desert is less than _______ cm.
a) 15
b) 25
c) 35
Q.13: The stems of desert plants are ___________.
a) succulent
b) dry
c) thin
Q.14: The streamlined body of fish enables them to overcome the __________ due to water and enables the fish to swim.
a) friction
b) pressure
c) resistance
Q.15: Which aquatic animal/s breathe through lungs ?
a) whales
b) dolphins
c) both
Q.16: A layer of _______ underneath the skin protects the polar bear from cold.
a) minerals
b) fats
c) carbohydrates
Q.17: In the free-floating plants, _________ have air spaces which enable them to float.
a) roots
b) leaves
c) stem
Q.18: Why do penguins stay together in groups ?
a) To keep themselves warm.
b) To keep themselves cold.
c) To show their friendship.
Answers:
- c
- b
- a
- c
- a
- b
- b
- a
- c
- b
- a
- b
- a
- c
- c
- b
- c
- a