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What does the filiform apparatus do at the entrace into ovule?
Options
(a) It helps in the entry of pollen tube into a synergid
(b) It prevents entry of more than one poller tube into the embryo sac
(c) It brings obout opening of the pollen tube
(d) It guides pollen tube from a synergid to egg
Correct Answer:
It helps in the entry of pollen tube into a synergid
Explanation:
Filiform apparatus helps in the entry of pollen tube into a synergid in ovule. Filiform apparatus is in form of finger like projection comprising a core of micro fibrils enclosed in a sheath. The filiform appratus resembles transfer cells “meant for short distance movement of metabolites. The filiform apparatus responsible for the absorption of food from the nucleus.
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Topics: Reproduction In Plants
(48)
Subject: Biology
(4253)
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