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प्रश्न
Where is the zygote located in the flower after fertilization?
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उत्तर
In flowering plants, female gamete or egg is produced inside the ovule of the ovary. Since after fertilisation egg becomes a zygote, it is also located inside the ovule of the ovary.
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संबंधित प्रश्न
A student identified the various parts of an embryo of a gram seed and listed them as given below :
(I) Testa
(II) Plumule
(III) Radicle
(IV) Cotyledon
(V) Tegmen
Out of these the actual parts of the embryo are :
(A) I, II, III
(B) II, III, IV
(C) III, IV, V
(D) II, IV, V
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
The anther contains ______.
Name the part made up of the stigma, style and ovary.
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
Mention the function of Flower.
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 A, B, C and D in the given diagram and write their names.
Explain the process of fertilisation in flowers.
Distinguish between unisexual and bisexual flowers giving one example of each. Draw a diagram showing process of germination of pollen grains on stigma and label the following parts:
(a) Female germ cell
(b) Male germ cell
(c) Ovary
__________ is present in unisexual flower.
Find an odd one out.
Which type of development is observed in male gametophytes of plants?
The process of release of eggs from the ovary is called ______
Pollen grains are produced by ______
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
In a plant flower the female whorl is ______.
What are the agents for pollination?
Triple fusion involves ______.
