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Home Questions 36PJE9CTD7
Target Exam

CUET

Subject

Biology

Chapter

Structural Organisation in Animals

Question:

Match the Column I with Column II .

Column I Column II
1. Cold-blooded animals A. Winter sleep
2. Camouflage B. Summer sleep
3.  Aestivation C. Ability to change color to hide from enemies
4. Hibernation D. Body temperature varies with the environment

 

Options:

1-C,2-D,3-B,4-A

1-D,2-C,3-B,4-A

1-A,2-C,3-B,4-D

1-A,2-B,3-C,4-D

Correct Answer:

1-D,2-C,3-B,4-A

Explanation:

The correct answer is Option (2) - 1-D,2-C,3-B,4-A

Column I Column II
1. Cold-blooded animals D. Body temperature varies with the environment
2. Camouflage C. Ability to change color to hide from enemies
3.  Aestivation B. Summer sleep
4. Hibernation A. Winter sleep

Frogs can live both on land and in freshwater and belong to class Amphibia of phylum Chordata. The most common species of frog found in India is Rana tigrina. They do not have constant body temperature i.e., their body temperature varies with the temperature of the environment. Such animals are called cold blooded or poikilotherms. You might have also noticed changes in the colour of the frogs while they are in grasses and on dry land. They have the ability to change the colour to hide them from their enemies (camouflage). This protective coloration is called mimicry. Frogs are not seen during peak summer and winter. During this period they take shelter in deep burrows to protect them from extreme heat and cold. This is known as summer sleep (aestivation) and winter sleep (hibernation) respectively.

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