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प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
विकल्प
Stamens and carpels
Sepals and petals
Sepals and stamens
Petals and carpels
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उत्तर
Stamens and carpels
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संबंधित प्रश्न
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
Which of the following is the correct sequence of events of sexual reproduction in a flower?
(a) pollination, fertilisation, seed, embryo
(b) seed, embryo, fertilisation, pollination
(c) pollination, fertilisation, embryo, seed
(d) embryo, seed, pollination, fertilisation
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
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.
Bisexual : Hibiscus : : Unisexual : ___________
Define.
Inflorescence
Distinguish between self-pollination and cross-pollination.
In a flowering plant, archesporium gives rise to ______.
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:
