Q1 of 17 Page 75

Which one of the following should be grouped with whales, according to modern classification?

As per classification, the above mentioned animals belong to the following class

Whales- mammals

Shark- Pisces

Dolphin- mammals

Snake- reptilia

Tortoise- reptilia

Which one of the following is the basic unit of classification of the living organisms?

Most primitive organisms among the following are

Fill in the blanks with suitable words

1. Protozoa belong to the kingdom ___________.

2. Animals without a backbone are called ________.

3. Most of the organisms depend directly or indirectly upon __________ for food.

4. Group of organisms that breed among themselves and produce fertile offsprings make a _________.

Match the following:

Questions · 17

6. Classification of living organisms

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