Adaptations of Organisms in Cold Regions

Q. Thick deposits of fat below the skin of animals living in cold regions helps in _________.

1. Make the body water proof
2. Preventing heat loss from the body
3. Make them strong
4. Provide stamina to hunt

Q. The following trees are found in snowy regions. What is the purpose of the conical shape of these trees?

1. To get more nutrition
2. To absorb more sunlight
3. To minimise transpiration
4. To prevent snow accumulation on branches and leaves

Q. What is the inter-relationship between adaptations of organisms and their surroundings?

Q. Identify P, Q and R.
$\begin{array}{ccc}\text{Adaptations}& \text{Habitat}& \text{Examples}\\ \text{P}& \text{Aquatic}& \text{Lotus}\\ \text{Deep roots}& \text{Q}& \text{Acacia}\\ \text{Thick fur}& \text{Cold region}& \text{R}\end{array}$

1. P: Hollow stem, Q: Aquatic, R: Lily
2. P: Thick roots, Q: Desert, R: Polar bear
3. P: Waxy coating on leaf, Q: Desert , R: Polar bear
4. P: Waxy coating on leaf, Q: Desert, R: Lily

Q. Which of the following is not an adaptation of leaves in submerged aquatic plants?

Q. Thick and long hair on the body is an adaptation of animals found in ________.

1. lakes
2. deserts
3. snowy regions
4. sea

Q. Which of the following characteristics are observed in the animal given in the image?

1. It has spindle shaped body.
2. It has fur on its skin.
3. Its body is white in colour.
4. Its body is light in weight.

Q. Thick deposits of fat below the skin of animals living in cold regions help to:
A. Make the body water proof
B. Prevent heat loss from the body
C. Make them strong
D. Provide stamina to hunt (1 mark)

Q. Which option is not an adaption of animals living in snowy regions?

1. Long hair on the skin.
2. Thick layer of fat under the skin.
3. Long legs with flat and cushioned soles.
4. White or silvery body colour.

Q. State whether how many statements are true

1. Adaptation is a long term gradual and continuous process.
2. Adaptations help them to adjust to their surroundings.
3. Adaptation only occurs In plants

1. 1 and 2 both are correct
2. Only 3 is correct
3. Only 1 is correct
4. only 2 is correct

Q. How do the feathers of a bird protect it from cold?

Q. Typical characteristics of animals of snowy regions include:

1. white or silvery body colour
2. long and thick hair on the skin
3. long tail
4. light body weight

Q. Polar bears have a thick layer of fat below their skin to:

1. minimize heat loss from the body
2. make their body waterproof
3. ensure more fur formation
4. make their fur white

Q. Choose the correct pairs.

1. Cactus
2. River
3. Polar bear
4. Fish
5. Snowy region
6. Desert

Q. Thick and long hair on the body is an adaptation of animals found in ________.

1. lakes
2. deserts
3. sea
4. snowy regions

Q.

Complete the following blanks by choosing the appropriate answer.

Coniferous trees have leaves that are (i)_______.

An example of a coniferous tree is (ii)______.

1. (i) needle-shaped
   (ii) pine

2. (i) hollow
   (ii) lily

3. (i) long and thin
   (ii) hyacinth

4. (i) waxy
   (ii) fir