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प्रश्न
Find the odd one out:
पर्याय
Stigma
Anther
Style
Ovary
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उत्तर
Anther
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संबंधित प्रश्न
A student was asked to observe and identify the various parts of an embryo of a red kidney bean seed. He identified the parts and listed them as under:
I. Tegmen
II. Testa
III. Cotyledon
IV. Radicle
V. Plumule
The correctly identified parts among these are
(A) I, II and III
(B) II, III and IV
(C) III, IV and V
(D) I, III, IV and V
Name the parts A, B and C shown in the following diagram and state one function of each.
Give one example of a unisexual flower.
Mention the changes a flower undergoes after fertilisation.
The process of fusion of the male and female gametes is called ______.
What is the function of a flower?
What is the name of female part of a flower?
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
What is made in ovary of a flower?
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?
Which among the following statements are true for unisexual flowers?
(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross pollination
(iv) Unisexual flower possessing only stamens cannot produce fruits
(a) (i) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (i), (iii) and (iv)
The correct sequence of reproductive stages occurring in flowering plants is ______
Mention the function of Flower.
Draw a labelled diagram of a bisexual flower.
Explain the process of fertilisation in flowers.
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
Identify the odd. Stigma, Style, Pollen, Ovary.
Answer the following question.
How does suitable pollination lead to fertilization?
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
Explain the sexual reproduction process in plants with a diagram.
The male reproductive part of a flower is ______.
In which part of the flower germination of pollen grains takes place?
The ovule of an angiosperm is technically equivalent to ______
Generally, in a pollen tube, which of the following moves to the tip of the tube?
The seed that contains the future plant is called the ______
In human beings, fertilization occurs in the ______
Give reason for the following:
Fertilization cannot take place in flowers if pollination does not occur.
Double fertilization is essential for formation of ______.
Double fertilization means ______.
Sketch and label the essential and accessory whorls of flower.
What are the agents for pollination?
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
What is puberty?
Type of sexual reproduction is ______.
Explain the post fertilization changes that occur in the ovary of a flower.
State the post-fertilisation changes that lead to fruit formation in plants.
