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प्रश्न
Answer the following question.
Draw the diagram of a pistil where pollination has successfully occurred. Label the parts involved in reaching the male gametes to its desired destination.
उत्तर
The pollen tube reaching the ovule.
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संबंधित प्रश्न
Draw a diagrammatic sectional view of a mature anatropous ovule and label the following parts in it:
(i) that develops into seed coat.
(ii) that develops into an embryo after fertilization.
(iii) that develops into an endosperm in an albuminous seed.
(iv) through which the pollen tube gains entry into the embryo sac.
(v) that attaches the ovule to the placenta.
With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.
In the T.S. of a mature anther given below, identify "a" and "b" and mention their functions.
Among the terms listed below, those that of are not technically correct names for a floral whorl are:
- Androecium
- Carpel
- Corolla
- Sepal
Egg apparatus consists of ______.
Filiform apparatus is found in ______.
Through which cell of the embryo sac, does the pollen tube enter the embryo sac?
During the process of fertilisation the pollen tube of the pollen grain usually enters the embryo sac through ______.
During megasporogenesis, potential megaspore mother cell undergoes following cell divisions to form gametophyte female ______
Function of filiform apparatus is to:
