Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 13 PCB Single Correct MCQ
Published on: August 12, 2026

In maize plants:

A
Only autogamy takes place.
B
Autogamy is prevented but not geitonogamy.
C
Both geitonogamy and xenogamy are prevented.
D
Both autogamy and geitonogamy are prevented.

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The correct answer is:
B

Maize is monoecious with unisexual flowers-male and female are on the same plant but in different flowers. Autogamy (same flower) is prevented. Geitonogamy (different flowers on same plant) is possible. Wind also carries pollen to other plants, so xenogamy can occur.

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