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1.Sexual Reproduction in Flowering Plants
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The pollen viability period of rice and pea respectively, is
A
$30\; minutes$ and several months
B
Several months and $30\; minutes$
C
Few days and few months
D
Few days in both the cases
Solution
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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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