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1.Sexual Reproduction in Flowering Plants
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Germination of pollen grain on the stigma is
A
Autogamy
B
In vivo germination
C
In vitro germination
D
None of these
Solution
(b)Germination of pollen grains completes on stigma i.e., in vivo. It means in natural conditions or with in the cell.
Standard 12
Biology
Similar Questions
Make the correct pair :
| Column $- I$ | Column $- II$ |
| A- Tapetum | i- Degenerate during development |
| B- Intine | ii- Resistant organic materials |
| C- Vegetative cell | iii- Pollen tube |
| D- Sporopollenin | iv- Provide nourishment to pollen grains |
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