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प्रश्न
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
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उत्तर
A bisexual flower possesses both the male reproductive parts, stamens and female reproductive part, pistil. If the stamens are removed, pistil is present in the flower. On cross pollination followed by successful fertilisation, the ovary of the pistil would have developed into a fruit.
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संबंधित प्रश्न
The process of fusion of the male and female gametes is called ______.
Where are the pollen grains produced?
Explain the terms 'cross-pollination'?
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.
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
Write one main difference between asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival – the one reproducing asexually or the one reproducing sexually? Give reason to justify your answer.
Identify A, B, C and D in the given diagram and write their names.
In the figure, the parts marked A, B and C are sequentially:
(A) Plumule, Radicle and Cotyledon
(B) Radicle, Plumule and Cotyledon
(C) Plumule, Cotyledon and Radicle
(D) Radicle, Cotyledon and Plumule
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Sketch the labeled diagram:
Flower with its sexual reproductive organs
Find an odd one out.
In which part of the flower germination of pollen grains takes place?
How many middle layers are generally present in the wall of the anther lobes?
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?
Sperm and egg nuclei fuse due to ______.
Conidia are formed endogenously while zoospores are formed endogenously.
Which among the following statements are true for sexual reproduction in flowering plants?
- It requires two types of gametes
- Fertilisation is a compulsory event
- It always results in formation of zygote
- Offspring formed are clones
Explain the post fertilization changes that occur in the ovary of a flower.
Given below is a diagram of a germinating seed. Label the parts that:
- gives rise to future shoot.
- gives rise to future root system.
- stores food.
