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प्रश्न
Explain the term 'fertilisation'.
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उत्तर
Fertilisation is the fusion or union of male and female gametes to form a zygote.
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संबंधित प्रश्न
Give one example of a unisexual flower.
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
The anther contains ______.
Name the male part of the flower.
Where are a plant's sex organs located?
Explain the terms 'cross-pollination'?
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Mention the function of Anther.
Prepare a slogan for campaign against female foeticide.
Fill in the blank by selecting suitable word:
Transfer of pollen grains from the anther to the stigma is known as______________.
Define.
Inflorescence
What does germination mean?
The anther wall consists of four wall layers where ______
Identify the female gametophyte in angiosperms.
Length of pollen tube depends on the distance between ______
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
The pollen tube usually enters the embryo sac ______.
