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प्रश्न
Differentiate between self-pollination and cross-pollination.
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उत्तर
Self-pollination: This occurs when pollen grains from a flower’s stamens land on the stigma of the same flow.
Cross-pollination: Cross pollination occurs when pollen grains from one flower’s stamens land on the stigma of another blossom.
संबंधित प्रश्न
Mention the changes a flower undergoes after fertilisation.
Name the part made up of the stigma, style and ovary.
Where is the male gamete formed in flowering plants?
What is made in ovary of a flower?
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
The students of a class were asked by the teacher to study the different parts of an embryo of an angiosperm. Given below are the essential steps for the experiment :
A. Soak the seeds in plain water and keep them overnight.
B. Cut open the soaked seed and observe its different parts.
C. Take some healthy seeds in a petri-dish.
D. Drain the excess water, cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(a) C, A, D, B
(b) C, D, A, B
(c) A, C, D, B
(d) A, C, B, D
Identify the parts A, B, C, and D?
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
The flower of the Hibiscus plant is ______
Type of sexual reproduction is ______.
