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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
Mature ovary forms the ______.
State the name of the functional unit concerned with sexual reproduction.
Where are the pollen grains produced?
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
“Cell division is a type of reproduction in unicellular organism.” Justify.
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
How many middle layers are generally present in the wall of the anther lobes?
In human beings, fertilization occurs in the ______
