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In majority of the angiosperms, pollen i...

In majority of the angiosperms, pollen is released in a two-celled stage. The two cells are

A

the gamete and generative cell

B

the vegetative cell and tube nucleus

C

two male gametes

D

the vegetative cell and generative cell

Text Solution

Verified by Experts

The correct Answer is:
D
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Germinating angiospermic pollen grain.

In a two-celled pollen:

Knowledge Check

  • In majority of angiosperms, pollens are discharged at:

    A
    2- celled stage
    B
    3-celled stage
    C
    7-celled stage
    D
    8 -celled stage

  • In the majority of the angiosperms , pollens are discharged at :

    A
    2 - celled stage
    B
    3 - celled stage
    C
    7 - celled stage
    D
    8 - celled stage

  • In over 40% of angiosperms, pollen grains are shed at 3 celled stage, these 3 cells are :

    A
    Vegetative cell, Tube cell and Generative cell
    B
    One generative cell and two tube cells
    C
    One vegetative cell and two gametes
    D
    One generative cell and two gametes

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    In angiosperms pollen germinate on the

    A. The pollen grain is generally spherical measuring about 25 - 50 cm in diameter. B. In over 60% of angiosperms , pollen grains are shed at 2 celled stage. Select the statement that holds true for the above statement .

    Read the following four statements ( A -D ): (i) The outer wall of the pollen grain is pecto - cellulosic in nature. (ii) In pollen grain, the generative cell is bigger and contains abundant food reserve. (iii) In all angiosperm , pollen grains are always shed at the 2-celled stage. (iv) Usually , sporogenous cell directly behaves as the megaspore mother cell. How many of the above statements are wrong ?

    Pollen grains in Angiosperms are released at which stage?

    Pollen tube released the two male gamete into the

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