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प्रश्न
Differentiate between self-pollination and cross-pollination.
उत्तर
Self-pollination: It is the transfer of pollen from the anther to the stigma in the same flower or pollen is transferred from the anther of one flower to the stigma of another flower on the same plant.
Cross-pollination: It is the transfer of pollen from an anther of a flower to the stigma of a flower on another plant.
संबंधित प्रश्न
Give one example of a unisexual flower.
You are asked by your teacher to study the different parts of an embryo of a gram seed. Given below are the steps to be followed for the experiment:
I. Soak the gram seeds in plain water and keep them overnight.
II. Cut open a soaked seed and observe its different parts.
III. Take some dry gram seeds in a petri dish.
IV. Drain the excess water.
V. Cover the soaked seeds with a wet cotton cloth and leave them for a day.
The correct sequence of these steps is :
(A) III, I, V, IV, II
(B) III, I, II, IV, V
(C) III, IV, V, I, II
(D) III, I, IV, V, II
Explain what you understand by sexual reproduction.
Name the part made up of the stigma, style and ovary.
What is the function of a flower?
Explain the terms 'cross-pollination'?
__________ is present in unisexual flower.
Calyx : Sepals : : Corolla : ________________
The male reproductive part of a flower is ______.
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
 |
 |
 |
