Micropyle allows
- APollen tube to penetrate in the ovule at the time of fertilization
- BActivity of germination of pollen grains
- CA pore in pollen grain
- DThe growing up of pollen grain
Similar Questions
Which of the following is correct statement
Which of the following is correct statement
- [AIPMT 1989]
...... posses dense cytoplasm and generally have more than one nucleus
...... posses dense cytoplasm and generally have more than one nucleus
...........and.......... pollen loose viability within $30$ minutes
...........and.......... pollen loose viability within $30$ minutes
How many pollen grains are formed from $10$ microspore mother cells by meiosis
How many pollen grains are formed from $10$ microspore mother cells by meiosis
- [AIPMT 1996]
$A$ : Formation of mature male gametophyte requires one meiotic and one mitotic division in $60\;\% $ of the
angiosperms.
$R$ : Pollination occurs in three celled condition in majority of angiosperms.
$A$ : Formation of mature male gametophyte requires one meiotic and one mitotic division in $60\;\% $ of the
angiosperms.
$R$ : Pollination occurs in three celled condition in majority of angiosperms.