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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
A student has to perform the experiment "To identify the different parts of an embryo of a dicot seed." Select from the following an appropriate group of seeds:
(a) Pea, gram, wheat
(b) Red kidney bean, maize, gram
(c) Maize, wheat, red kidney bean
(d) Red kidney bean, pea, gram
State significance of pollination.
Mention the changes a flower undergoes after fertilisation.
How is the process of pollination different from fertilization?
The reproductive part of a plant is the ______.
Name the part made up of the stigma, style and ovary.
What is the name of female organ of a flower (other than carpel)?
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
One of the following occurs in the reproductive system of flowering plants as well as that of humans. This is :
(a) vas deferens
(b) anther
(c) ovary
(d) style
The correct sequence of reproductive stages occurring in flowering plants is ______
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?
In what ways is fertilisation in a plant similar to fertilisation in a human?
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
State whether the following statement is true (T) or false (F):
Flowers which possess stamens and carpel are called unisexual.
Mention the function of Anther.
Mention the function of Stigma.
What are the male and female gametes in a flowering plant?
Write one main difference between asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival – the one reproducing asexually or the one reproducing sexually? Give reason to justify your answer.
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.
Write the names of male and female reproductive parts of a flower.
List any two differences between pollination and fertilization.
Explain sexual reproduction in plants.
Calyx : Sepals : : Corolla : ________________
The male reproductive part of a flower is ______.
Which type of development is observed in male gametophytes of plants?
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?
In a flowering plant, archesporium gives rise to ______.
The process of release of eggs from the ovary is called ______
Pollen grains are produced by ______
Which out of the following processes does not lead to the formation of clones.
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
Sketch and label the essential and accessory whorls of flower.
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
