Question

Migratory birds fly to far away areas during a particular time of a year. Which of the following conditions present in their habitat during that time are responsible for this behaviour?

1. Unavailability of food.
2. Extreme weather conditions.
3. Over crowding.
4. Lack of nesting areas.

विकल्प

• ii & iii

• i & ii

• i & iv

• ii & iv

Answer 1

i & ii

Explanation:

Birds migrate from their habitat to different geographical areas, often following a seasonal pattern. This movement is called migration. Birds do migrate to escape extreme weather conditions and to find plenty of food.