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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
Very short answer type question:
Name the part of gynoecium that determines the compatible nature of pollen grain.
Identify the process represented in the following diagram.
After a successful germination, the tip of the pollen tube enters in one of the______ and then ruptures to release the contents.
Which of the following is NOT a natural agent that brings pollen grains to the receptive stigma?
Which layer of the pollen grain grows out through the germ pore to form the pollen tube?
What happens when the pollen tube tip enlarges and ruptures inside the embryo sac?
What is the role of boron in pollen tube growth?
What would be the ploidy level of the endosperm tissue after triple fusion occurs?
Which of the following is NOT mentioned as a factor promoting pollen tube growth?
How does the population effect of calcium contribute to pollen tube growth?
