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प्रश्न
Name the parts labelled as A, B, C and D in the diagram given below:-
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उत्तर
A - Pollen grain
B - Pollen tube
C - Ovary
D - Female germ cell
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संबंधित प्रश्न
The fusion of male and female gametes is termed as ______.
Fill in the following blank with suitable word :
Pollen grains contain ............ gametes of a plant.
Fill in the following blank with suitable word :
The female organ of reproduction in the flower is the...........
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the female gamete?
Describe the process of fertilisation in a flower with the help of labelled diagrams.
Give one example each of unisexual and bisexual flowers. Differentiate between the two types of pollination that occur in flowers. What happens when a pollen lands on a suitable stigma? Write about the events that occur till the seed formation in the ovary.
Explain the sexual reproduction process in plants with a diagram.
Write the events involved in the sexual reproduction of a flowering plant.
a. Discuss the first event and write the types.
b. Mention the advantages and the disadvantages of that event.
Which of the following is the outermost protective layer of anther?
Given below is a diagram of a germinating seed. Label the parts that:
- gives rise to future shoot.
- gives rise to future root system.
- stores food.
