Migration

Q.

Term for the number of deaths per 1000 people of the population per year.

1. Birth rate

2. Population density

3. Natality rate

4. Mortality rate

Q.

Which is the national bird of China?

Q.

The addition of new individuals to the population from other localities is called ______.

Q. Migratory birds fly to far away areas every year during a particular time because of climatic changes.

1. True
2. False

Q. Kolleru lake hosts

1. Shovellers
2. Pintails
3. Teals
4. All of the above

Q. Where are migratory birds mostly found in India?

1. All of the above
2. Dry lands
3. Wetlands
4. Marshy lands

Q.

Give the appropriate term for the following:
(i) The number of persons per square kilometre (km²) at any given time.
(ii) Death rate.

Q. Keoladeo Ghana Bird Sanctuary is famous for ............... birds.

1. Migratory birds / Siberian crane
2. Tiger
3. Bear
4. Wolf

Q. Ecological imbalance in the biosphere is created by

1. Cutting of forests
2. Conservation of forest
3. Production of more plastics
4. Both A and C