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प्रश्न
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.
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उत्तर
Following is a diagram of the longitudinal section of a pistil exhibiting germination of pollen on stigma:
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संबंधित प्रश्न
Name the parts labelled as A, B, C and D in the diagram given below:-
A student while observing an embryo of a pea seed in the laboratory listed various parts of the embryo as given below:
Testa, Tegmen, Radicle, Plumule, Micropyle, Cotyledon.
On examining the list the teacher remarked that only three parts are correct. Select three correct parts from the above list:
(a) Testa, Radicle, Cotyleddon
(b) Tegmen, Radicle, Micropyle
(c) Cotyledon, Plumule, Testa
(d) Radicle, Cotyledon, Plumule
Name the parts A, B and C shown in the following diagram and state one function of each.
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
In what ways is fertilisation in a plant different from fertilisation in a human?
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
Mention the function of Flower.
Identify the odd. Stigma, Style, Pollen, Ovary.
Give reason for the following:
Fertilization cannot take place in flowers if pollination does not occur.
