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प्रश्न
What are the reproductive organs in a flower?
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उत्तर
Stamen and carpel are the reproductive organs of a 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?
How is the process of pollination different from fertilization?
The length of pollen tube depends on the distance between :
(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style
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
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
What is a flower ? Draw a neat labelled diagram showing the L.S. of a typical flower.
What are the male and female gametes in a flowering plant?
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.
Describe an activity to demonstrate phototropism.
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
What is meant by pollination?
Answer the following question.
List two agents of pollination?
Antipodal cells are present towards the ______ in an anatropous ovule.
The process of release of eggs from the ovary is called ______
Length of pollen tube depends on the distance between ______
State the number of sets of chromosomes present in a zygote.
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.
