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प्रश्न
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
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उत्तर
Flowering plants reproduce by the sexual method of reproduction.
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संबंधित प्रश्न
What is pollination?
How is the process of pollination different from fertilization?
Name the part made up of the stigma, style and ovary.
Where are the pollen grains produced?
Explain the terms 'cross-pollination'?
Name the part of a seed which contains stored food.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
Mention the function of Anther.
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.
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
Describe an activity to demonstrate phototropism.
Accessory whorls : Calyx and corolla : : essential whorls : ______________
Define.
Inflorescence
Gloriosa superba exhibits ______.
Sperm and egg nuclei fuse due to ______.
Pollen grains are produced by ______
Double fertilization means ______.
What is the structural unit of sexual reproduction in plant?
State the post-fertilisation changes that lead to fruit formation in plants.
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
