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1.Sexual Reproduction in Flowering Plants
medium
Both, autogamy and geitonogamy are prevented in
A
papaya
B
cucumber
C
castor
D
maize.
(AIPMT-2012)
Solution
(a) : Autogamy and geitonogamy are two forms of self pollination. In autogamy, pollen falls on stigma of the same flower. While in geitonogamy pollens from a flower fall on the stigma of some other flower on the same plant. Papaya is a dioecious plants thus both autogamy and geitonogamy are prevented in it.
Standard 12
Biology
