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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 the process of fertilisation take place in flowers?
Name the part made up of the stigma, style and ovary.
Name the male part of the flower.
What is the name of female organ of a flower (other than carpel)?
Fill in the following blank with suitable word :
The ovary of a flower becomes ....... after fertilisation.
What is pollination? How does pollination occur?
The flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops which lie just inside the ring of petals.
(a) Name A. What are the various parts of A?
(b) Which part of A contains gametes?
(c) Name B. What is the swollen top of B known as?
(d) What does the swollen top of b contain?
(e) Out of A and B, which one is (i) male part, and (ii) female part of the flower?
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
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.
List any two differences between pollination and fertilization.
Sketch the labeled diagram:
Flower with its sexual reproductive organs
__________ is present in unisexual flower.
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.
Identify the female gametophyte in angiosperms.
In a flowering plant, archesporium gives rise to ______.
Pollen grains are produced by ______
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
What are the agents for pollination?
What is puberty?
