Adaptations of Animals

Q.

What are outside raw materials used by an organism?

Q.

What is ephyra larva and its functions?

Q.

What are the disadvantages of urea?

Q. Desert plants have long roots that help them to ________.

1. absorb water
2. increase photosynthesis
3. prevent transpiration
4. retain water

Q.

Identify the set of homeothermic animals.

1. Frog, Lion and Fish

2. Bat, Pigeon, and Rabbit

3. Pigeon, Lizard, and Tortoise

4. Rat, Snake and Crocodile

Q.

What Is The Larva Of Ctenophora?

Q.

Habitat is the dwelling place of an organism.

1. True
2. False

Q.

Penguin is an animal living in the Polar regions.

1. tiger

2. dog

Q.

Which one of the following is not a habitat?

1. Plants and fish in the lake

2. Chairs and tables in school

3. Plants and animals in the forest

4. Opuntia and camel in a desert

Q. Which of the following statements is incorrect?

1. Habitats are specific to the organisms living there.
2. Organisms always stay in the same habitat throughout their life.
3. Animal skin can be considered a habitat for many organisms.
4. Tree bark can act as habitat for small plants.

Q.

How is cactus adapted to survive in a desert, Explain briefly?

Q.

Which of these animals live in the polar regions?

1. tiger

2. dog

3. penguin

4. peacock

Q.

Animals that hibernate eat a lot before going for winter sleep. Why?

Q. Consider the following four conditions (a - d) and select the correct pair of them as adaptation to environment in desert lizards. The conditions are:
(1) Burrowing in soil to escape high temperature.
(2) Losing heat rapidly from the body during high temperature.
(3) Bask in sun when temperature is low.
(4) Insulating body due to thick fatty dermis.

1. (1), (2)
2. (3), (4)
3. (1), (3)
4. (2), (4)

Q.

Plants without well-differentiated stem, root, and leaf are kept in ___.

Q.

A habitat is a special environment of an organism.

1. True
2. False

Q. Assertion :Cold blooded animals do not have fat layer. Reason: Cold blooded animals use their fat for metabolic process during hibernation.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Both Assertion and Reason are incorrect.

Q. 'X' is a mammal which likes to stay active during the night. They locate insects during the night by emitting high pitched sounds. Identify 'X'.

1. Bat
2. Owl
3. Spider
4. Rat

Q. If an animal of euphotic zone has to survive in abyssal zone, what adaptations are required to survive there?

Q. Poikilotherms are also known as

1. Isotherms
2. Heterotherms
3. Ectotherms
4. Endotherms

Q. Which of the following is true regarding broiler chicken?

1. They are egg-laying birds.​
2. They are fed with vitamin-rich supplementary feed.
3. Their normal diet is high in fibre content.​
4. They usually don’t need vaccination.

Q.

What are the functions of body cavity in animals?

Q. Assertion (A): Crickets make quirky noise only at night.
Reason (R): Nocturnal animals stay active at night.

1. A is correct but R is incorrect.
2. A and R are correct and R is the correct explanation for A.
3. A is incorrect but R is correct.
4. A and R are correct; R is not the correct explanation for A.

Q. The plants shown below are called:

1. 
2. 
3. 
4. 

Q.

What are the functions of body cavity in animals?

Q. The bats are able to fly in dark since their mouth produce

1. Sound waves
2. Infrared rays
3. Ultrasonic waves
4. Ultraviolet rays

Q. Which adaptation helps the cactus plant to minimise loss of water?

1. Spiny leaves
2. Broad leaves
3. Branched stem
4. Fibrous roots

Q. Which one of the following is not a characteristic of large sized animals?

1. High BMR
2. Longer generation time
3. Lower reproductive rates
4. Slower growth rates

Q.

Why are the leaves of Vallisneria thin and long?

1. To help the leaves grow faster
2. To help the leaves float in water
3. To minimize the damage by strong water currents
4. To maximize the absorption of sunlight

Q. If an animal is an ectotherm, it has a _______.

1. skeleton on the outside of its body
2. skeleton on the inside of its body
3. body that regulates its own temperature
4. body that does not produce much internal heat