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Byju's Answer

Standard X

Biology

Morphological and Anatomical Evidences

Assertion :Co...

Question

Assertion :Comparative biochemistry provides a strong evidence in favour of common ancestory of living beings. Reason: Genetic code is universal.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Assertion is correct, as comparative biochemistry provides a strong evidence in favor of common ancestry of living beings.
Reason is also correct but not correct explanation of assertion, as genetic code is universal that is given codon in the DNA and mRNA specifies the same amino acid in the protein synthesizing systems in all organisms.
Therefore, the correct answer is option B.

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Similar questions

Q. Given below are assertion and reason.

Point out if both are true with the reason being the correct explanation (A)

Both true but the reason is not a true explanation (B)

Assertion true but the reason is wrong (C)

Both are wrong (D)

Assertion.

Comparative biochemistry provides a strong evidence in favour of common ancestry of living kings.

Reason.

The Genetic code is universal

Q. Assertion: The compressibility factor for

H_{2}

and

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

and

H e

can be derived from Van der Waal's equation.

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Assertion (A) Order and molecularity are same.

Reason (R) Order is determined experimentally and molecularity is the sum of the stoichimetric coeffcient of rate determining elementary step.

ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - $C H_{2}$ - group.

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