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प्रश्न
You have to perform the experiment, "To identify the different parts of an embryo of a gram seed." Describe the procedure that you would follow.
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उत्तर
The procedure to identify the different parts of an embryo of a gram seed is as follows:
(i) Take some gram seeds and soak them overnight in water.
(ii) Drain the excess water.
(iii) Cover the seeds with a wet cloth and leave them for a day.
(iv) Cut open the seeds carefully and observe the different parts.
We will observe the following parts in the embryo:
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संबंधित प्रश्न
The reproductive part of a plant is the ______.
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
Explain the terms 'cross-pollination'?
How do the insects help in cross-pollination?
Name the part of a seed which grows into shoot.
How does pollination occur?
Which of the following is the correct sequence of events of sexual reproduction in a flower?
(a) pollination, fertilisation, seed, embryo
(b) seed, embryo, fertilisation, pollination
(c) pollination, fertilisation, embryo, seed
(d) embryo, seed, pollination, fertilisation
The length of pollen tube depends on the distance between :
(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
The number of pollen sacs in a dithecous anther is ______.
