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प्रश्न
Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
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उत्तर
Following is a diagram of the longitudinal section of a pistil exhibiting germination of pollen on stigma:
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संबंधित प्रश्न
Fill in the following blank with suitable word :
Pollen grains contain ............ gametes of a plant.
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the following blank with suitable word :
The term used to refer to the transfer of pollen from the stamen of one flower to the carpel of another flower of the same species is...........
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the female gamete?
One of the following occurs in the reproductive system of flowering plants as well as that of humans. This is :
(a) vas deferens
(b) anther
(c) ovary
(d) style
Fill in the blank by selecting suitable word:
Transfer of pollen grains from the anther to the stigma is known as______________.
Mention pollination types.
Observe the figure below. Write functions of the labelled parts.
The ovule of an angiosperm is technically equivalent to ______
Conidia are formed endogenously while zoospores are formed endogenously.
