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Sexual Reproduction In Flowering Plants

Question
CBSEENBI12002205
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Perisperm differs from endosperms in 

  • being a haploid  tissue

  • having no reserve food

  • being a diploid tissue

  • its formation by fusion of secondary nucleus with several sperms

Solution

C.

being a diploid tissue

In some seeds like black pepper and beet remnants of nucellus are also persistent this persistent nucellus is called perisperm.The cells of endosperm tissue are filled with reserve food materials and are used for the nutrition of the developing embryo. The main difference is perisperm is present in seed and endosperm is present in developing embryo as its reserved food which is completely consumed by is during development.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

Development of embryo  from any cell of nucellus is called :

Parthenocarpic fruit is :

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.

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