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Sexual Reproduction In Flowering Plants

Question
CBSEENBI12046887
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Upon fertilization, what structure develops from carpel?

  • Testa

  • Tegmen

  • Pericarp

  • Perisperm

Solution

C.

Pericarp

Ripened ovary or fertilized ovary is called fruit. The wall of the ovary forms fleshy or dry fruit wall known as pericarp. It means that the pericarp is developed from pistil or carpel.

Testa is the hard external coating or integument of a seed.

Tegmen is a covering or integument, usually referring to a thin layer or membrane in an organism.

Perisperm in some seeds is a mass of nutritive material outside the embryo sac.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

The entry of pollen tube into embryo sac through the integuments is termed as :

512 microspores will be formed following meiosis of how many microspore mother cells.

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.

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