Assertion :The pollen sterility has been attributed to the malfunctioning of tapetum. Reason: Premature degeneration of the tapetum deprives the developing spores of its nutrition.

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

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

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

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Assertion is correct but Reason is incorrect.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Assertion is incorrect but Reason is correct.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Tapetum nourishes the developing pollen grain so a malfunctioning tapetum will fail to produce viable male gamete.
So, the correct answer is option A.

Suggest Corrections

Similar questions

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.

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

Join BYJU'S Learning Program

Assertion :The pollen sterility has been attributed to the malfunctioning of tapetum. Reason: Premature degeneration of the tapetum deprives the developing spores of its nutrition.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.Tapetum nourishes the developing pollen grain so a malfunctioning tapetum will fail to produce viable male gamete.So, the correct answer is option A.

Tapetum nourishes the developing pollen grain so a malfunctioning tapetum will fail to produce viable male gamete.

So, the correct answer is option A.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Tapetum nourishes the developing pollen grain so a malfunctioning tapetum will fail to produce viable male gamete.
So, the correct answer is option A.