Assertion : (A) - Geitonogamy is genetically similar to autogamy
Reason : (R) - In geitonogamy pollen grains come from the same plant.

A A is wrong but R is correct
B A is correct but 'R' is wrong
C A and R both are correct, 'R' is not correct explanation of A
D A and R both are correct. 'R' is the correct explanation of A

Verified Solution

Answer & Solution

Correct Answer

(D) A and R both are correct. 'R' is the correct explanation of A

Step-by-step Solution

Detailed explanation

A and R both are correct. 'R' is the correct explanation of A

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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Assertion : (A) - Geitonogamy is genetically similar to autogamyReason : (R) - In geitonogamy pollen grains come from the same plant.

Step-by-step Solution

Assertion : (A) - Geitonogamy is genetically similar to autogamy
Reason : (R) - In geitonogamy pollen grains come from the same plant.