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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
How does fertilisation occur in flowers? Name the parts of the flower that develop into (i) seed, and (ii) fruit after fertilisation.
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
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
How does the process of fertilisation take place in flowers?
Where is the male gamete formed in flowering plants?
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
What type of plants reproduce by sexual reproduction method?
Which of the following statements are true for sexual reproduction in flowering plants?
(i) it requires two types of gametes
(ii) fertilisation is a compulsory event
(iii) it always results in the formation of zygote
(iv) offsprings formed are clones
(a) (i) and (iv)
(b) (i), (ii) and (iv)
(c) (i), (ii) and (iii)
(d) (ii), (iii) and (iv)
Give one example each of unisexual and bisexual flowers. Differentiate between the two types of pollination that occur in flowers. What happens when a pollen lands on a suitable stigma? Write about the events that occur till the seed formation in the ovary.
Describe an activity to demonstrate phototropism.
List any two differences between pollination and fertilization.
A student is observing the temporary mount of a leaf peel under a microscope. Draw a labelled diagram of the structure of stomata as seen under the microscope
Differentiate between self-pollination and cross-pollination.
Find the odd one out:
Identify the parts A, B, C, and D?
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?
The pollen tube usually enters the embryo sac ______.
