The Polar Regions

Q.

Why amphibians and many reptiles have three chambered heart?

Q. Question 18
Mention two adaptive features of penguins that help them in swimming.

Q.

Which of the following regions is always covered with snow?

Polar regions

Tropical regions

Temperate regions

Temperate and polar regions

Q.

Write two common adaptive features of a polar bear that help in keeping it warm.

Q. Question 3 (iii)
Fill in the blanks:
(iii) The two regions of the earth with extreme climatic conditions are ___ and___.

Q.

A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in

1. polar regions

2. deserts

3. oceans

4. tropical rainforests

Q.

The coldest region on earth is the

1. polar region

2. tropical region

3. temperate region

4. coastal region

Q.

What is blubber and how does it help polar bear

Q. Sun doesn't rise for six months in the polar region.

1. True
2. False

Q.

Which of the following statement is incorrect for penguins?

1. They huddle together

2. They cannot swim

3. They have webbed feet

4. They have streamlined body

Q. Write three features of polar regions. [3 MARKS]

Q.

Which of the following features make penguins good swimmers?

1. Streamlined body

2. Webbed feet

3. Streamlined body and webbed feet

4. Long wings

Q.

Question 8
The coldest region on earth is the -

(a) Polar region
(b) Tropical region
(c) Temperate region
(d) Coastal region

Q. Which of the following animal can be found in the polar region?

1. Polar bear
2. Elephant
3. Tiger
4. Giraffe

Q. Why are polar bears white?

1. To camouflage them so their prey cannot see them.
2. To camouflage them so their predators cannot see them.
3. So that they absorb heat from the sun easily.
4. So that they absorb water easily.
   

Q. Question 6
Which of the following statement is incorrect for penguins?

(a) They huddle together
(b) They cannot swim
(c) They have webbed feet
(d) They have streamlined body

Q.

A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in _____.

1. Polar region

2. Deserts

3. Oceans

4. Tropical rainforests

Q. Explain, with examples, why we find animals of a certain kind living in a particular climatic condition. [3 MARKS]

Q. Which characteristic is not the adaptation of animals to protect themselves from extremely cold weather?

1. A thick coat of furr
2. A thick layer of fat
3. Hibernation
4. A thin layer of hair

Q. An animal is taken to polar region. Which of the following adaptive characteristic may help it to survive in the new environment?

1. Growth of thick and less hairy skin
2. Sharp beaks and strong claws
3. Growth of thick fur on its skin
4. Light weight wings to fly

Q. Polar bears live at

1. Both North and South Poles
2. South Pole only
3. North Pole only
4. Both Polar regions as well as several forests

Q. Name a terrestrial habitat with low temperature.

Q. A leaf insect looks like leaves and a polar bear living in snowy regions has white fur on its skin. Although these animals are very different from each other, what is the one way in which they are similar?

1. They use their bodies to attack enemies.
2. They use their bodies to prepare food.
3. They use their bodies to confuse enemies.
4. They migrate to long distances to protect themselves from enemies.

Q. The animals which are adapted to the cold have

1. Both A and B
2. No layer of fat under the skin
3. Heavy fur on their skin
4. Small body size

Q. How does the given animal protect itself from extreme weather condition?

1. It migrates to different places.
2. It has a long and strong beak.
3. It has a thick layer of fat beneath the skin.
4. It undergoes hibernation.

Q. Animals living in cold regions have -------on their bodies to protect them from cold.

1. Abdomen
2. Thorax
3. Fur
4. None of above

Q. At the poles, the air is colder than that at latitudes about?

1. 30 degrees
2. 60 degrees
3. 90 degrees
4. 80 degrees

Q. A polar bear can survive in polar regions because thick fur and padded feet.

1. True
2. False

Q.

Q66)In cold climate-

1. All the animals can live

2. Animals are found with difficulty

3. Only those animals can survive who have hair

4. None of the animals can survive

Q.

Which of these animals live in the polar regions?

1. tiger

2. dog

3. penguin

4. peacock