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प्रश्न
Identify A, B, C and D in the given diagram and write their names.
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उत्तर
A - Stigma
Function: It is a sticky surface where the pollen lands and later germinates.
B - Pollen tube
Function: It carries the pollen to the egg cell for fertilisation.
C - Ovary
Function: It is the female reproductive part of the flower containing ovules.
D - Egg cell
Function: It forms the zygote after fertilisation.
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संबंधित प्रश्न
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
What changes take place in the flower after fertilisation which lead to the formation of seeds and fruit?
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
Give one example each of unisexual and bisexual flowers. Differentiate between the two types of pollination that occur in flowers. What happens when a pollen lands on a suitable stigma? Write about the events that occur till the seed formation in the ovary.
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
The process of release of eggs from the ovary is called ______
State the number of sets of chromosomes present in a zygote.
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
