The region in the exine where sporopollenin i | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) The pollen grain wall is composed of two layers: the outer exine and the inner intine.The exine is made up of a highly resistant organic material

Vedclass · Accepted Answer

Germ pore

Vedclass · Answer

(C) The pollen grain wall is composed of two layers: the outer exine and the inner intine.The exine is made up of a highly resistant organic material called sporopollenin,which can withstand high temperatures,strong acids,and alkali.However,there are certain regions in the exine where sporopollenin is absent.These apertures are known as germ pores (or germinal furrows).These pores are the sites from which the pollen tube emerges during germination.

The region in the exine where sporopollenin is absent is known as .......

Similar Questions

Select the incorrect statement regarding the stamen.

The androecium is a whorl of ..........

The whorl that produces male gametes is:

$A$: The generative cell comes to lie freely in the cytoplasm of the tube cell.
$R$: The cellulosic wall around the generative cell is dissolved.

$A$ - Due to meiosis in $MMC$,microspore tetrads are produced.
$R$ - $MMC$ is a large cell containing dense cytoplasm and a prominent nucleus.

Vedclass Test Series

Exam Paper Generator

Online Exam Module