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प्रश्न
Name the swollen lower part of the carpel.
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उत्तर
An ovary is the swollen lower part of the carpel.
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संबंधित प्रश्न
How does fertilisation occur in flowers? Name the parts of the flower that develop into (i) seed, and (ii) fruit after fertilisation.
(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?
A student identified the various parts of an embryo of a gram seed and listed them as given below :
(I) Testa
(II) Plumule
(III) Radicle
(IV) Cotyledon
(V) Tegmen
Out of these the actual parts of the embryo are :
(A) I, II, III
(B) II, III, IV
(C) III, IV, V
(D) II, IV, V
Name the male part of the flower.
What is the function of a flower?
Where is the male gamete formed in flowering plants?
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
Name the part of a seed which contains stored food.
What is meant by ‘unisexual flowers’?
Which of the following statements are true for flowers?
(i) Flowers are always bisexual.
(ii) They contain sexual reproductive organs.
(iii) They are produced in all groups of plants.
(iv) after fertilization they give rise to fruits.
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
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
Fill in the blank by selecting suitable word:
A flower bearing only male or female parts is known as __________ flower.
Fill in the blanks:
A carpel consists of ________ , ________ and ________.
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
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 and label on it sepal, petal, ovary and stigma.
Write the names of male and female reproductive parts of a flower.
What is phototropism?
Describe an activity to demonstrate phototropism.
Fill in the blank by selecting suitable word:
Transfer of pollen grains from the anther to the stigma is known as______________.
__________ is present in unisexual flower.
The essential parts of a flower are ______.
The anther wall consists of four wall layers where ______
Which of the following is the outermost protective layer of anther?
Generally, in a pollen tube, which of the following moves to the tip of the tube?
Which type of development is observed in male gametophytes of plants?
Identify the female gametophyte in angiosperms.
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?
The flower of the Hibiscus plant is ______
Length of pollen tube depends on the distance between ______
Complete the table
| Carly x | ______ | ______ |
| ______ | petal | attract insects |
| Androecium | ______ | Male reproductive part |
| ______ | ______ | Female reproductive part. |
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
Double fertilization is essential for formation of ______.
