Definations / Explanation : 1. Egg apparatus 2. filiform apparatus

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1.Sexual Reproduction in Flowering Plants

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Definations / Explanation :

$1.$ Egg apparatus

$2.$ filiform apparatus

Option A

Option B

Option C

Option D

Solution

In ovule, three cells are grouped together at the micropylar end constitute the egg apparatus.

The egg apparatus consists of two synergids and one egg cell. The synergids have special cellular thickenings at the micropylar tip called filiform apparatus.

Standard 12

Biology

$A$ : Filiform apparatus guides the pollen tube into the synergids.
$R$ : It is special cellular thickening at micropylar tip to secrete chemotropic stimulus.

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Draw the diagram of a mature embryo sac and show its $8-$ nucleate, $7-$ celled nature. Show the following parts : antipodals, synergids, egg, central cell, polar nuclei.

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Synergids are

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What does the filiform apparatus do at the entrance into ovule?

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Persistent nucellus in the seed is known as

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(NEET-2019)

Definations / Explanation : $1.$ Egg apparatus $2.$ filiform apparatus

Solution

Similar Questions

$A$ : Filiform apparatus guides the pollen tube into the synergids. $R$ : It is special cellular thickening at micropylar tip to secrete chemotropic stimulus.

Draw the diagram of a mature embryo sac and show its $8-$ nucleate, $7-$ celled nature. Show the following parts : antipodals, synergids, egg, central cell, polar nuclei.

Synergids are

What does the filiform apparatus do at the entrance into ovule?

Persistent nucellus in the seed is known as

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Definations / Explanation :

$1.$ Egg apparatus

$2.$ filiform apparatus

$A$ : Filiform apparatus guides the pollen tube into the synergids.
$R$ : It is special cellular thickening at micropylar tip to secrete chemotropic stimulus.