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प्रश्न
How is the process of pollination different from fertilization?
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उत्तर १
Pollination is the transfer of male gametes onto the female gametes, while fertilisation is the fusion of these two gametes.
उत्तर २
Pollination is the process of transferring pollen grains from the anther of the stamen to the receptive stigma of the carpel, while fertilization involves the fusion of male and female gametes, leading to the formation of a zygote.
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संबंधित प्रश्न
What is the name of female part of a flower?
Where is the female gamete formed in flowering plants?
Fill in the following blank with suitable word :
The name of the structure in the flower in which the male gamete is formed is...........
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
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
Differentiate between self-pollination and cross-pollination.
__________ is present in unisexual flower.
Observe the figure below. Write functions of the labelled parts.
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
In which part of the flower germination of pollen grains takes place?
Antipodal cells are present towards the ______ in an anatropous ovule.
Flowers showing ornithophily show few characteristic like ______.
Pollen grains are produced by ______
Which out of the following processes does not lead to the formation of clones.
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
Where is the zygote located in the flower after fertilization?
What are the agents for pollination?
Explain the post fertilization changes that occur in the ovary of a flower.
