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Sexual Reproduction In Flowering Plants

Question
CBSEENBI12003119
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In Cycas, pollination takes place in

  • 3- celled stage

  • 4- celled stage

  • 2- celled stage

  • 1- celled stage

Solution

A.

3- celled stage

 

Plant Pollination takes place in
Cycas 3- celled stage
Pinus 4 to 5 celled stage
Angiosperm 2 to 3 celled stage

Some More Questions From Sexual Reproduction in flowering Plants Chapter

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

In Calotropis, all the microspores of anther lobe remain united to form

Albuminous seeds store reserve food materials in ....................

Transfer of pollen grains from the anther to the stigma of another flower of same plant is called..............................

The...................direct the growth of pollen tube towards egg apparatus by secreting some chemical substances.

A kind of reproduction in which the new individuals are formed without involvement of meiosis and syngamy.

A kind of self-pollination in which the pollens from the anthers of one flower are transferred to the stigma of another flower borne on the same plant.

Give the term for cross-pollination by  wind.

The nutritive layer of anther wall which provides nourishment to the developing microspores.

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