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प्रश्न
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
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उत्तर
The male sex organ of a flower is stamen.
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संबंधित प्रश्न
Name the parts A, B and C shown in the diagram and write their functions.
A flower may have either male or female reproductive parts. Such a flower is called ______.
Sketch the reproductive parts of a flower.
How does the process of fertilisation take place in flowers?
Name the swollen lower part of the carpel.
What is made in anther of a flower?
What is made in ovary of a flower?
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
Mention the function of Anther.
Write one main difference between asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival – the one reproducing asexually or the one reproducing sexually? Give reason to justify your answer.
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
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
List any two differences between pollination and fertilization.
Explain sexual reproduction in plants.
The male reproductive part of a flower is ______.
Which of the following is the outermost protective layer of anther?
In a flowering plant, archesporium gives rise to ______.
Give reason for the following:
Fertilization cannot take place in flowers if pollination does not occur.
Type of sexual reproduction is ______.
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
