Assertion :All naturally occurring $α -$ amino acids are optically active. Reason: Most naturally occurring amino acids have $D -$ configuration.

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 D Both Assertion and Reason are incorrect
All naturally occurring $α -$ amino acids are optically active except glycine.

Most of the naturally occurring amino acids have $L -$ configuration.

Hence, both Assertion and reason are incorrect.

Option D is correct.

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Similar questions

In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices.
(a) Assertion and reason both are correct statements and reason explains the assertion.
(b) Both assertion and reason are wrong statements.
(c) Assertion is correct statement and reason is wrong statement.
(d) Assertion is wrong statement and reason is correct statement.
(e) Assertion and reason both are correct statements but reason does not explain assertion.
Assertion (A) All naturally occurring $α -$ aminoacids except glycine are optically active.
Reason (R) Most naturally occurring amino acids have L-configuration.

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.

Q. Assertion
If BOD level of water in reservoir is less than 5 ppm it is not polluted.

Reason
High biological oxygen demand means low activity of bacteria in water.

Assertion: Be and Al have similar properties.

Reason: $B e^{2 +}$ and $A l^{3 +}$ have nearly the same charge/volume ratios and similar polarising power.

Assertion: All the points (1, 0), (-1, 0), (2, 0) and (5, 0) lie on the x – axis.
Reason: Equation of the x-axis is y = 0

Choose the correct option.

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Assertion :All naturally occurring α− amino acids are optically active. Reason: Most naturally occurring amino acids have D−configuration.

The correct option is D Both Assertion and Reason are incorrectAll naturally occurring α−amino acids are optically active except glycine.Most of the naturally occurring amino acids have L−configuration.Hence, both Assertion and reason are incorrect.Option D is correct.

Assertion :All naturally occurring $α -$ amino acids are optically active. Reason: Most naturally occurring amino acids have $D -$ configuration.

The correct option is D Both Assertion and Reason are incorrect
All naturally occurring $α -$ amino acids are optically active except glycine.

Most of the naturally occurring amino acids have $L -$ configuration.

Hence, both Assertion and reason are incorrect.

Option D is correct.