Mature male gametophyte is derived from a 'pollen mother cell' by
Mature male gametophyte is derived from a 'pollen mother cell' by
- A
Three meiotic divisions
- B
One meiotic, one mitotic division
- C
Single mitotic division
- D
Two mitotic divisions
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In anther culture, the androgenic haploid plants are obtained from
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- [AIPMT 1990]
Explain the role of tapetum in the formation pollen-grain wall.
Explain the role of tapetum in the formation pollen-grain wall.
Male gametes are produced in
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Even after killing the generative cell with a laser beam, the pollen grain of a flowering plant germinates and produces normal pollen tube because
Even after killing the generative cell with a laser beam, the pollen grain of a flowering plant germinates and produces normal pollen tube because
- [AIPMT 1989]