Advertisements
Advertisements
प्रश्न
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
Advertisements
उत्तर
(b) Carpel of the flower
APPEARS IN
संबंधित प्रश्न
What is pollination?
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
Name the part made up of the stigma, style and ovary.
Name the male part of the flower.
Where is the male gamete formed in flowering plants?
Name the part of a seed which contains stored food.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
The flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops which lie just inside the ring of petals.
(a) Name A. What are the various parts of A?
(b) Which part of A contains gametes?
(c) Name B. What is the swollen top of B known as?
(d) What does the swollen top of b contain?
(e) Out of A and B, which one is (i) male part, and (ii) female part of the flower?
Fill in the blank by selecting suitable word:
A flower that bears both the male and the female parts is known as __________ flower.
You have to perform the experiment, "To identify the different parts of an embryo of a gram seed." Describe the procedure that you would follow.
Identify A, B, C and D in the given diagram and write their names.
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
Identify the odd. Stigma, Style, Pollen, Ovary.
Explain sexual reproduction in plants.
Mention pollination types.
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.
The seed that contains the future plant is called the ______
Give reason for the following:
Fertilization cannot take place in flowers if pollination does not occur.
Double fertilization is essential for formation of ______.
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.
