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प्रश्न
Explain the terms 'cross-pollination'?
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उत्तर
In cross pollination, pollens from the anther of one flower are transferred to the stigma of the another flower of another plant but of the same species.
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संबंधित प्रश्न
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
How do the insects help in cross-pollination?
Explain the term 'fertilisation'.
Name the part of a seed which contains stored food.
Name the part of a seed which grows into root.
Name the part of a seed which grows into shoot.
Describe the process of fertilisation in a flower with the help of labelled diagrams.
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
Fill in the blank by selecting suitable word:
A flower that bears both the male and the female parts is known as __________ flower.
Fill in the blank by selecting suitable word:
A flower bearing only male or female parts is known as __________ flower.
What is a flower ? Draw a neat labelled diagram showing the L.S. of a typical flower.
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Sketch the labelled diagram.
Flower with its sexual reproductive organs.
Draw a diagram of the longitudinal section of a flower and label the following parts.
Antipodal cells are present towards the ______ in an anatropous ovule.
How many middle layers are generally present in the wall of the anther lobes?
What is puberty?
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
 |
 |
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