A: Filiform apparatus guides the pollen tube | vedclass

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(A) The filiform apparatus consists of finger-like projections of the synergid cell wall that extend into the cytoplasm of the synergid.These structur

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Assertion and Reason both are correct and Reason is the correct explanation of Assertion.

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(A) The filiform apparatus consists of finger-like projections of the synergid cell wall that extend into the cytoplasm of the synergid.These structures are located at the micropylar end of the synergids.Their primary function is to guide the entry of the pollen tube into the synergids by secreting chemical substances (chemotropic stimulus).Therefore,both the Assertion and the Reason are correct,and the Reason provides the correct explanation for the Assertion.

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

Similar Questions

In angiosperms,the generative cell inside the pollen grain divides to form . . . . . . .

Through which cell of the embryo sac does the pollen tube enter the embryo sac?

Pollen tube at the time of entering the embryo sac has:

Which solution can be used to induce the germination of pollen grains and the formation of a pollen tube in plants?

$A$: Certain proteins of pollen origin identify the compatible stigma.
$R$: Compatibility proteins are located in the ektexine.

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