Biology : XI-CH04 – Animal Classification – Assertion and Reason

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Biology : Ch04 – Animal Classification – Assertion and Reason

Read the assertion and reason carefully to mark the correct option.

10 Random question from this chapter are displayed, you can take the quiz multiple times to cover all questions

1 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Bioluminescence is well marked in ctenophores.

Reason: All ctenophores are exclusively marine.

2 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Snake shed their scale as skin cast.

Reason: It allow continue growth of snake.

3 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Sponges belong to Porifera.

Reason: Sponges have canal system.

4 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: The duck-billed Platypus and the spiny ant-eater, both are egg-laying animals yet they are grouped under mammals.

Reason: Both of them hav e seve n cervical vertebrae and 12 pairs of cranial nerves.

5 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: All vertebrates are chordates.

Reason: Vertebrates posses notochord during the embryonic period.

6 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Porifera to Echinoderms are non-chordates.

Reason: Notochord is not formed during embryonic development in these animals.

7 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: The skeleton of sponges is made up of spicules.

Reason: Composition of spicules help in classification of sponges.

8 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: In amphibian skin is generally moist.

Reason: They shows cutaneous respiration.

9 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: All birds, except the ones like koel (cuckoo) build nests for retiring and taking rest during night time (day time for nocturnal).

Reason: Koel lays its eggs in the nests of tailor bird.

10 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Most sponge’s body are said to be asymmetrical.

Reason: Body of most sponge can’t be divided into two equal half by any plane pass through the c entre of body.

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