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प्रश्न
Where exactly is the filiform apparatus present in the embryo sac of an angiosperm? States its function.
उत्तर
Filiform apparatus:
Location - Synergids have special cellular thickenings at the micropylar tip.
Function - It plays important role in guiding the pollen tubes into the synergids
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संबंधित प्रश्न
With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
What is meant by monosporic development of female gametophyte?
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.
In the T.S. of a mature anther given below, identify "a" and "b" and mention their functions.
Given below is the diagram of a human ovum surrounded by a few sperms. Study the diagram and answer the following questions :
(a) Which one of the sperms would reach the ovum earlier?
(b) Identify 'D' and 'E'. Mention the role of 'E'.
(c) Mention what helps the entry of sperm into the ovum and write the changes occurring in the ovum during the process.
(d) Name the specific region in the female reproductive system where the event represented in the diagram takes place.
Ovule is ______.
Filiform apparatus is found in ______.
Part of the gynoecium which receives the pollen is called ______.
The Gynoecium of flower having two or more carpel fuse together are called ______.
The hilum is a scar on the:
