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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.
संबंधित प्रश्न
Name and differentiate between the two modes of pollination in flowering plants.
Which among the following statements are true for unisexual flowers?
(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross pollination
(iv) Unisexual flower possessing only stamens cannot produce fruits
(a) (i) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (i), (iii) and (iv)
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
Calyx : Sepals : : Corolla : ________________
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
Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages?
In a plant flower the female whorl is ______.
What are the agents for pollination?
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
 |
 |
 |
