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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
Where are a plant's sex organs located?
What is the name of female organ of a flower (other than carpel)?
What is made in ovary of a flower?
How do the insects help in cross-pollination?
A student is asked to study the different parts of an embryo of pea seeds. Given below are the essential steps for the experiment :
(I) Soak the pea seeds in plain water and keep them overnight.
(II) Cut open the soaked seed and observe its different parts.
(III) Take some pea seeds in a petri dish.
(IV) 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) III, I, IV, II
(B) III, IV, I, II
(C) III, I, II, IV
(D) III, II, I, IV
The male reproductive part of a flower is ______.
The seed that contains the future plant is called the ______
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
