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Sexual Reproduction In Flowering Plants

Question

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Explain any three advantages that seeds offer to angiosperms.

Solution

Seeds offer the following advantages to angiosperms:

(i) Seed formation is more dependable as the reproductive processes like pollination and fertilisation are independent of water.

(ii) The hard seed coat protects the young embryo from harsh environmental conditions.

(iii) Seed have better adaptive strategies for the dispersal to new habitats.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

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.

Give the term for cross-pollination by wind.

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