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In the following questions, a statement of assertion (A) is followed by a statement of reason (R) 

(1) If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark A

(2) If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark B

(3) If Assertion is true statement but Reason is false, then mark C

(4) If both Assertion and Reason are false statements, then mark D

Assertion: Overall, the exact size of pollen grain size ranges between 25-50 micrometres or microns. 

Reason: The shape of the pollen grain is commonly found in round, ovule, triangular, disc or in a bean-shape with a smooth to spiky texture.

Option: 1

A


Option: 2

B


Option: 3

C

 


Option: 4

D


Answers (1)

best_answer

Correct option is (a)

Both Assertion & Reason are true and the reason is the correct explanation of the assertion. Pollen grains are microscopic structures varying in their size and structure. The size of pollen grains generally varies with the species. Overall, the exact size of pollen grain ranges between 25-50 micrometres or microns. The shape of the pollen grain is commonly found in round, ovule, triangular, disc or in a bean-shape with a smooth to spiky texture. The natural colour of pollen grains are white, which may also vary depending on the plant species. Some are yellow in colour, or orange, or cream and so on.

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