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प्रश्न
Explain the terms 'self pollination'
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उत्तर
In self pollination, pollens from the anther are transferred to the stigma of the same flower or another flower of the same plant.
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संबंधित प्रश्न
What is the function of a flower?
Fill in the following blank with suitable word :
The ovary of a flower becomes ....... after fertilisation.
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the following blank with suitable word :
The.......... at the base of the carpel contains egg cells.
What changes take place in the flower after fertilisation which lead to the formation of seeds and fruit?
In what ways is fertilisation in a plant similar to fertilisation in a human?
Fill in the blank by selecting suitable word:
A flower bearing only male or female parts is known as __________ flower.
Mention the function of Flower.
Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
In the figure, the parts marked A, B and C are sequentially:
(A) Plumule, Radicle and Cotyledon
(B) Radicle, Plumule and Cotyledon
(C) Plumule, Cotyledon and Radicle
(D) Radicle, Cotyledon and Plumule
Pollen grains from anther are transferred to the stigma.
Draw a neat and labelled diagram.
Double fertilization in angiosperms
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
Which of the following are the chemical components of the wall of pollen tube?
Conidia are formed endogenously while zoospores are formed endogenously.
Which out of the following processes does not lead to the formation of clones.
Give reason for the following:
Fertilization cannot take place in flowers if pollination does not occur.
In a plant flower the female whorl is ______.
In male reproductive whorl of a flower the archesporial cells are formed by ______.
