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प्रश्न
What is meant by pollination?
What is pollination?
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उत्तर
The transfer of the pollen grains from the anthers to the stigma of a flower is called pollination.
संबंधित प्रश्न
What are the reproductive organs in a flower?
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
Explain the term 'fertilisation'.
The correct sequence of reproductive stages occurring in flowering plants is ______.
State whether the following statement is true (T) or false (F):
Flowers which possess stamens and carpel are called unisexual.
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
A student is observing the temporary mount of a leaf peel under a microscope. Draw a labelled diagram of the structure of stomata as seen under the microscope
Antipodal cells are present towards the ______ in an anatropous ovule.
Give reason for the following:
Fertilization cannot take place in flowers if pollination does not occur.
Double fertilization means ______.
