A : During evolution pouched mammals of Australia survived. R : Due to lack of competition from any

English

Gujarati

Hindi

6.Evolution

medium

$A$ : During evolution pouched mammals of Australia survived.
$R$ : Due to lack of competition from any other mammal due to continental drift

A

Assertion and Reason both are correct and also correct explanation.

B

Assertion and Reason both are correct but not explanation of assertion.

C

Assertion is correct, but Reason is incorrect.

D

Both Assertion and Reason are incorrect.

Solution

Continental drift resulted in isolation of pouched mammals in Australia

Standard 12

Biology

Share

Similar Questions

Complete fossil of whose among the following is found

hard

Contribution of scientist : Hugo de Vries, Hardy – Weinberg and Ernest Haeckel.

medium

Definitions / Explanation : Analogous organs & Vestigial or rudimentary organs

easy

Assertion : Natural selection is the outcome of difference in survival and reproduction among individuals that show variation in one or more traits.

Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.

medium

(AIIMS-2012)

Definitions / Explanation : Homology & Adaptive radiation or divergent evolution

easy