Advertisements
Advertisements
प्रश्न
Name the parts labelled as A, B, C and D in the diagram given below:
Advertisements
उत्तर
In the given figure,
A represents the pollen grain
B represents the pollen tube
C represents the ovary
D represents the female germ cell
संबंधित प्रश्न
Where is the male gamete formed in flowering plants?
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
How do the insects help in cross-pollination?
Fill in the blanks:
A carpel consists of ________ , ________ and ________.
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.
Explain the process of fertilisation in flowers.
What is phototropism?
Find an odd one out.
Match the following
| 1. | Petal | Opuntia |
| 2. | Fern | Chrysanthemum |
| 3. | Phylloclade | Attracts insect |
| 4. | Hooks | Spore |
| 5. | Sucker | Bignonia |
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
