Adaptation

Q. How does fish move in water? Explain in brief.

Q.

The ability of an organism to change for better adjustment with the environment is called

1. habitat

2. adaptation

3. acclimatisation

4. evaporation

Q.

Which of these is an adaptation of a chameleon?

1. Streamlined body

2. Quills on back

3. Camouflage

4. Thick skin

Q.

What are the two adaptive features of penguin that helps in swimming

Q. Living organisms adapt to a changing environment.

1. True
2. False

Q.

What is Acclimatization?

Q. Which of the following are adaptations of a camel in a desert area?

1. Storage of fat in hump
2. Flat and large feet to easily walk on sand
3. Long eyelashes and hairs to protect from blowing dust particles
4. All of these

Q. Halophytes occur in

1. Salty soil
2. Desert
3. Near river
4. Rainy water

Q. Mention the adaptations observed in Camels for survival in the desert.
[3 Marks]

Q.

In order to stay buoyant, some aquatic animals have a thick layer of fat. Where do you think seals store their fat?

1. Under their skin

2. In their livers

3. In their tails

4. In their flippers

Q. Which specific feature of the fishes helps them to move smoothly with the flow of water?

1. Blow holes
2. Gills
3. Streamlined body
4. Scales

Q. Underwater divers wear ............ to move easily in water.

1. Flippers
2. A head torch
3. A watch
4. Oxygen cylinder

Q. Which of the following happens during suspension among organisms?

1. Organisms travel long distances to escape the harsh local environmental conditions.
2. Organisms adjust their body temperatures according to the environmental temperature.
3. Organisms develop physiological and morphological adaptations that enable them to survive in specific environmental conditions.
4. Organisms enter a state of dormancy, and exhibit periods of inactivity and lowered metabolic rates.