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Palak23 What is filiform apparatus?

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
Palak23 Of the eight nuclei formed in the embryo sac, six become organised into cells. (a) What term is given to the other two nuclei? (b) Name the cell in which they are present.

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
Palak23 When does cell wall formation start, in the organisation of the embryo sac?

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
Palak23 How many megaspore mother cell(s) become(s) differentiated in an ovule?

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
Palak23 What represents the (a) basal part and (b) female gametophyte of the ovule?

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
Palak23 These pictures show the gynoecium of (A) Papaver and (B) Michelia flowers. Write the difference in the structure of their ovaries.

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
Palak23 Mention any one application of a pollen bank.

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
Palak23 How are different varieties of pollen grains stored for long period of time in pollen banks?

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
Palak23 Mention two environmental factors that affect pollen viability.

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
Palak23 Give an example of a plant which came into India as a contaminant and is a cause of pollen allergy.

By Palak23 8 hours ago  |  Last Post: 8 hours ago

Sexual Reproduction in Flowering Plants
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