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प्रश्न
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
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उत्तर
The ovary of a flower develops into a fruit after fertilisation. The ovary is a part of the carpel. Thus, in spite of the young stamens being removed artificially, the flower produces fruits.
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संबंधित प्रश्न
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
Name the parts A, B and C shown in the following diagram and state one function of each.
A flower may have either male or female reproductive parts. Such a flower is called ______.
Explain what you understand by sexual reproduction.
Name the male part of the flower.
What type of plants reproduce by sexual reproduction method?
What is seed? What are the parts of a seed? Explain with the help of a labelled diagram.
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
When an insect sits on the flower of a plant then some particles A present in the top of little stalks in the flower attach to its body hair. When this insect now sits on the flower of another similar plant, then particles A attached to the hair of insect are put on the top of a flask-shaped organ at the centre of flower. The particle A grows a long tube b from the top of flask-shaped organ through which C moves down and reaches the bottom part of flask-shaped organ. Here C fuses with the nucleus of d contained in structure E. the fusion of C and D forms a new cell f which grows and develops into a seed of the plant.
(a) What are particles A? What is the process of transferring A from one flower to another flower of similar plant by the insect known as?
(b) What is the name of tube B?
(c) What is C which moves down through the tube B?
(d) Name D and E.
(e) What is F?
Fill in the blank by selecting suitable word:
A flower that bears both the male and the female parts is known as __________ flower.
You have to perform the experiment, "To identify the different parts of an embryo of a gram seed." Describe the procedure that you would follow.
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
Prepare a slogan for campaign against female foeticide.
Fill in the blank by selecting suitable word:
Transfer of pollen grains from the anther to the stigma is known as______________.
Differentiate between self-pollination and cross-pollination.
Which of the following are the chemical components of the wall of pollen tube?
Generally, in a pollen tube, which of the following moves to the tip of the tube?
Sketch and label the essential and accessory whorls of flower.
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
