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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
Name the parts labelled as A, B, C and D in the diagram given below:-
A student identified the various parts of an embryo of a gram seed and listed them as given below :
(I) Testa
(II) Plumule
(III) Radicle
(IV) Cotyledon
(V) Tegmen
Out of these the actual parts of the embryo are :
(A) I, II, III
(B) II, III, IV
(C) III, IV, V
(D) II, IV, V
The reproductive part of a plant is the ______.
Fill in the following blank with suitable word :
The.......... at the base of the carpel contains egg cells.
The correct sequence of reproductive stages occurring in flowering plants is ______.
(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.
“Cell division is a type of reproduction in unicellular organism.” Justify.
Pollen tube reaches the embryo sac via style.
Pollen grains from anther are transferred to the stigma.
The male reproductive part of a flower is ______.
Match the following
| 1. | Petal | Opuntia |
| 2. | Fern | Chrysanthemum |
| 3. | Phylloclade | Attracts insect |
| 4. | Hooks | Spore |
| 5. | Sucker | Bignonia |
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
Generally, in a pollen tube, which of the following moves to the tip of the tube?
Sperm and egg nuclei fuse due to ______.
The flower of the Hibiscus plant is ______
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
