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प्रश्न
Following are the diagrams of entry of pollen tube into ovule. Identify the type A and B.
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उत्तर
- A - Chalazogamy
- B - Mesogamy
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संबंधित प्रश्न
Incompatibility is a natural barrier in the fusion of gametes. How will you explain this statement?
Give an account of pollen pistil interaction in detail.
Identify the process represented in the following diagram.
Which of the following induces pollen germination and tube growth in vitro?
After a successful germination, the tip of the pollen tube enters in one of the______ and then ruptures to release the contents.
Fill up the blanks with suitable words and select the correct option.
The ability of the pistil to recognize pollen is dependent on ____________ components and ____________ guide the entry of pollen tube. This study leads to help ____________ in getting ____________ even in ____________.
p. Chemical
q. Plant breeders
r. Hybrids
s. Incompatible pollination
t. Synergids
In angiosperms, pollen tube liberates their, male gametes into the ______.
The compatibility and incompatibility of the pollen-pistil interaction is determined by ______.
In angiosperms normally on the surface of stigma only ______ pollens germinate successfully.
All are events of pollen-pistil interaction EXCEPT ______
