Question
Biology Question on sexual reproduction in flowering plants
In castor and maize plants, _________
A
both autogamy and geitonogamy are prevented
B
the anthers and stigma are placed at different positions to encourage cross pollination
C
autogamy is prevented but not geitonogamy
D
male and female flowers are borne by different plants
Answer
autogamy is prevented but not geitonogamy
Explanation
Solution
In maize and castor plant, unisexual flowers are present, though both male and female flowers can be present on same plant. This prevents autogamy but not geitonogamy.