Subject :NSO Class : Class 5
Which of the following statements is/are false?
(i) The fat deposition under the skin protects animals from cold climate.
(ii) All mammals are terrestrial.
(iii) All birds can fly.
(iv) Platypus is a mammal that lays eggs.
(B) (iv) only
(C) (i) & (iv)
(D) (ii) & (iii).
Ans 1:
Class : Class 7
The answer is C) i and iv as the fat deposition, blubber helps animals to live in cold climate, i.e. Polar Bear. The two mammals which lay eggs are Platypus and Anteater. All mammals are terrestrial is not correct as some mammals live in water, i.e. Dolphin, Whale. All birds can fly is incorrect as birds like Ostrich and Emu because they are too heavy to fly.
Ans 2:
Class : Class 9
I couldn't ans
Ans 3:
Class : Class 7
Answer is D