Advertisements
Advertisements
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
Advertisements
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:
APPEARS IN
संबंधित प्रश्न
How does fertilisation occur in flowers? Name the parts of the flower that develop into (i) seed, and (ii) fruit after fertilisation.
State the name of the functional unit concerned with sexual reproduction.
Name the part made up of the stigma, style and ovary.
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
Find the odd one out:
Which type of development is observed in male gametophytes of plants?
Pollen grains are produced by ______
Where is the zygote located in the flower after fertilization?
What is puberty?
