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Question

Entry of pollen tube through micropyle is


A
Chalazogamy
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B
Mesogamy
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C
Porogamy
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D
Pseudogamy
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Solution

The correct option is C Porogamy
Pollen tube eventually reaches the micropyle of an ovule and for this purpose, it may follow one of the following three routes:
1.  Porogamy - When the pollen tube enters the ovule through micropyle. It is common for most of the angiosperms.
2. Mesogamy - When the pollen tube enters through the integuments (e.g Cucurbita) or through funiculus (Pistacia).
3. Chalazogamy - When the pollen tube enters through the chalazal tissues e.g. Casuarina
So, the correct answer is 'Porogamy'

796419_682654_ans_cd41ccc81e50470eadb741fc696a96b9.jpg

Biology

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