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प्रश्न
Distinguish between unisexual and bisexual flowers giving one example of each. Draw a diagram showing process of germination of pollen grains on stigma and label the following parts:
(a) Female germ cell
(b) Male germ cell
(c) Ovary
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उत्तर
|
Unisexual Flower |
Bisexual Flower |
|
The flower has either stamen or pistil only are called unisexual flowers. |
The flower has both stamen and pistil are called bisexual flowers. |
|
Example: Papaya |
Example: Hibiscus |
Diagram showing germination of pollen grain on stigma:
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संबंधित प्रश्न
What type of plants reproduce by sexual reproduction method?
One of the following occurs in the reproductive system of flowering plants as well as that of humans. This is :
(a) vas deferens
(b) anther
(c) ovary
(d) style
In what ways is fertilisation in a plant similar to fertilisation in a human?
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Differentiate between self-pollination and cross-pollination.
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
Pineapple fruit develops from ______.
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
What is puberty?
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
