Page 2 - HA

Q5. Why do animals in the polar region stay in groups?
(a) For loss of heat.
(b) Loss of energy
(c) Conserve heat
(d) For swimming

Q6. The seasonal journey undertaken by many species of birds and animals is
called -
(a) Emigration
(b) Migration
(c) Irrigation
(d) Immigration

Q7. Polar regions have very short-lived plants because -
(a) Spring season is very short.
(b) Winter season is very short.
(c) Spring is throughout the year
(d) summer is throughout the year

Q8. Blubber is an adaptive feature of -
(a) Polar bear
(b) Penguin
(c) Seal
(d) Siberian crane.

Q9. Polar animals which undergo long sleeps during extreme cold conditions,
are called -
(a) Aestivation
(b) Adaptation
(c) Migration
(d) Hibernation

Q10. A process in which a birds shed feathers is called -
(a) Moulting
(b) Binding
(c) Changing
(d) Removing