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प्रश्न
What is the function of calyx?
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उत्तर
The main function of calyx is to protect the inner whorls of the flower.
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संबंधित प्रश्न
(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?
State the function of flowers in the flowering plants.
How is the process of pollination different from fertilization?
How does the process of fertilisation take place in flowers?
Where is the male gamete formed in flowering plants?
Describe the process of fertilisation in a flower with the help of labelled diagrams.
In what ways is fertilisation in a plant different from fertilisation in a human?
Fill in the blanks:
A stamen consists of ______ and ________.
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.
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.
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.
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.
Prepare a slogan for campaign against female foeticide.
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
Mention pollination types.
What is meant by pollination?
Find the odd one out:
Pollen grains are formed by _________ division in locules of anthers.
Bisexual : Hibiscus : : Unisexual : ___________
Pollen grains from anther are transferred to the stigma.
Distinguish between self-pollination and cross-pollination.
Explain the sexual reproduction process in plants with a diagram.
The male reproductive part of a flower is ______.
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 ovule of an angiosperm is technically equivalent to ______
How many middle layers are generally present in the wall of the anther lobes?
Identify the female gametophyte in angiosperms.
Pollen grains are produced by ______
Which out of the following processes does not lead to the formation of clones.
Where is the zygote located in the flower after fertilization?
State the number of sets of chromosomes present in a zygote.
Double fertilization means ______.
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
The pollen tube usually enters the embryo sac ______.
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
 |
 |
 |
In male reproductive whorl of a flower the archesporial cells are formed by ______.
