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प्रश्न
List any two differences between pollination and fertilization.
Differences between pollination and fertilization.
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उत्तर
| Pollination | Fertilization | |
| 1. | Pollination is the transfer of pollen grains from the anther to the stigma of a flower. | Fertilization is the fusion of male and female gametes to form a zygote. |
| 2. | It is a physical process that brings male and female gametes close together. | It is a biological process that leads to the actual union of gametes. |
| 3. | Pollination occurs before fertilization. | Fertilization occurs after pollination. |
| 4. | Pollination usually requires external agents like wind, water, or insects. | Fertilization does not require external agents; it occurs inside the ovule. |
| 5. | Pollination helps in the transfer of pollen, enabling fertilization to occur. | Fertilization does not require external agents; it occurs inside the ovule. |
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the following blank with suitable word :
The term used to refer to the transfer of pollen from the stamen of one flower to the carpel of another flower of the same species is...........
One of the following occurs in the reproductive system of flowering plants as well as that of humans. This is :
(a) vas deferens
(b) anther
(c) ovary
(d) style
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?
What is phototropism?
Give scientific reason.
Flower is a structural unit of sexual reproduction in plants.
The male reproductive part of a flower is ______.
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
Sketch and label the essential and accessory whorls of flower.
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
