Migration

Q.

Why does Siberian crane come from Siberia to places like Bharatpur in India every year for a few months ?

Q.

Why should we save paper? [3Marks]

Q.

What are talons?

Q. Why do Arctic tern does the longest migration

Q. Question 1 (c)
Fill in the blank:
Migratory birds fly to faraway places because of ___ changes.

Q.

Migratory birds fly to far away places because of ___ changes.

Q.

Birds travelling long distances to overcome harsh conditions are known as

1. Migratory birds

2. Endangered birds

3. Travelling birds

4. Flying birds

Q. What is migration? What are its causes?

Q. Find a correct set of long-distance migratory birds.

i. Arctic tern, Bar-tailed godwit, Drongo, Babblers
ii. Siberian crane, Greater flamingo, Arctic tern, Bar-tailed godwit
iii Siberian crane, Emu, Crow, Bulbul
iv. Emu, Greater flamingo, Blackpoll warbler, Eagle

1. i
2. ii
3. iii
4. iv

Q.

In an aquatic environment, which of the following do NOT have streamlined body that help them move easily in water?

1. Cat fish

2. Dolphin

3. Sward fish

4. All of these

Q.

The migratory bird which comes from Siberia to India for a few months every year is :
(a) crow
(b) koel
(c) crane
(d) kingfisher

Q. Which are the factors that help birds fly?

1. Heavy feet
2. Air Currents
3. Physiology
4. Body contour

Q.

The Siberian crane comes to India every year in winter for a few months :
(a) to escape the severe summer
(b) to escape the severe winter
(c) to escape the heavy rains
(d) to escape from predators

Q.

Why do birds migrate?

1. Due to changing climate
2. Both A and B
3. Not sure
4. In search of food

Q.

What is meant by the migration of birds ? Why do birds migrate ?

Q.

Why birds fly to far away regions every year?

Q.

What are migratory birds ? Name one migratory bird which comes to warmer regions of India every year.

Q.

The shape of the body of fish is streamlined.

1. True

2. False

Q. What are the navigation techniques that migratory birds use?
i. Stars and Sun
ii. Magnetic compass
iii. Wind patterns

1. (i) and (ii)
2. (ii) and (iii)
3. (i) and (iii)
4. (i), (ii) and (iii)

Q. What are the navigation techniques that migratory birds use?
i. Stars and Sun
ii. Magnetic compass
iii. Wind patterns

1. (i) and (ii)
2. (ii) and (iii)
3. (i) and (iii)
4. (i), (ii) and (iii)

Q. What do you understand by the term migration?

1. Movement of an organism or a group of organisms
2. Movement of an organism or a group of organisms from its/their natural habitat to another place at a particular time every year.
3. Movement of natural habitat
4. All of the above

Q. Assertion (A): Deforestation affects migration.

Reason (R): Nesting of migratory birds gets affected by cutting down of trees.

1. A is true and R is false.
2. A is false and R is true.
3. Both are true but R is not the correct explanation of A.
4. Both are true and R is the correct explanation of A.

Q.

Select the wrong statement

1. Forests provide a variety of products

2. Forests have greater plant diversity

3. Forests do not conserve soil

4. Forests conserve water

Q. Which amongst the following are flying movements in birds?

1. Downstroke
2. Upstroke
3. Flipping
4. Landing

Q. The lakes where the migratory birds can be seen during rainy season are:

1. Kanithi Balancing Reservoir
2. Balimela reservoir
3. Chinchu lake
4. Kolleru and Pulikot lakes

Q.

Migratory birds fly to faraway places because of __changes.

Q. Explain adaptations living organisms in deserts.

Q. Some animals living in water have streamlined body shapes. This helps in:

1. Reduce resistance in water
2. Keep the body warm
3. Store food and fats
4. Reduce loss of water

Q.

This is a marbled duck. They are generally found in some parts of Europe but seasonally can be seen in India. Explain why?
[2 MARKS]

Q.

What is migration