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प्रश्न
How is the process of pollination different from fertilization?
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उत्तर १
- Pollination is the process of transfer of pollens from anther to stigma. It occurs with the help of certain pollinators such as air, water, birds, or some insects.
- Fertilization is the fusion of the male and female gametes. It occurs inside the ovule and leads to the formation of a zygote.
उत्तर २
| Pollination | Fertilization |
| The transport of pollen grains from the anther to the stigma is called pollination. | The funion of male and female games is called fertilization. |
| In this, the cells are not attached. | In this, the male and female cells are joined. |
| Usually, one has to wait for carriers to complete this action. | This action is transactional. |
संबंधित प्रश्न
The process of fusion of the male and female gametes is called ______.
What is the name of female organ of a flower (other than carpel)?
Fill in the following blank with suitable word :
Ovules contain ......... gametes of a plant.
What is made in ovary of a flower?
How do the insects help in cross-pollination?
What type of plants reproduce by sexual reproduction method?
What is seed? What are the parts of a seed? Explain with the help of a labelled diagram.
Name the part of a seed which grows into root.
A student is asked to study the different parts of an embryo of pea seeds. Given below are the essential steps for the experiment :
(I) Soak the pea seeds in plain water and keep them overnight.
(II) Cut open the soaked seed and observe its different parts.
(III) Take some pea seeds in a petri dish.
(IV) Drain the excess water. Cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(A) III, I, IV, II
(B) III, IV, I, II
(C) III, I, II, IV
(D) III, II, I, IV
List any two differences between pollination and fertilization.
Prepare a slogan for campaign against female foeticide.
Answer the following question.
How does suitable pollination lead to fertilization?
Find an odd one out.
Explain the sexual reproduction process in plants with a diagram.
The seed that contains the future plant is called the ______
Pollen grains are produced by ______
Which among the following statements are true for sexual reproduction in flowering plants?
- It requires two types of gametes
- Fertilisation is a compulsory event
- It always results in formation of zygote
- Offspring formed are clones
The pollen tube usually enters the embryo sac ______.
Explain the post fertilization changes that occur in the ovary of a flower.
