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प्रश्न
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
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उत्तर
(b) Carpel of the flower
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संबंधित प्रश्न
Name the parts labelled as A, B, C and D in the diagram given below:-
How does fertilisation occur in flowers? Name the parts of the flower that develop into (i) seed, and (ii) fruit after fertilisation.
Give one example of a unisexual flower.
You are asked by your teacher to study the different parts of an embryo of a gram seed. Given below are the steps to be followed for the experiment:
I. Soak the gram seeds in plain water and keep them overnight.
II. Cut open a soaked seed and observe its different parts.
III. Take some dry gram seeds in a petri dish.
IV. Drain the excess water.
V. Cover the soaked seeds with a wet cotton cloth and leave them for a day.
The correct sequence of these steps is :
(A) III, I, V, IV, II
(B) III, I, II, IV, V
(C) III, IV, V, I, II
(D) III, I, IV, V, II
Where is the male gamete formed in flowering plants?
Fill in the following blank with suitable word :
The.......... at the base of the carpel contains egg cells.
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
Explain the terms 'self pollination'
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Differentiate between self-pollination and cross-pollination.
Pollen grains are formed by _________ division in locules of anthers.
Find an odd one out.
Draw a neat and labelled diagram.
Double fertilization in angiosperms
The essential parts of a flower are ______.
How many middle layers are generally present in the wall of the anther lobes?
Which among the following statements are true for sexual reproduction in flowering plants?
- It requires two types of gametes
- Fertilisation is a compulsory event
- It always results in formation of zygote
- Offspring formed are clones
Double fertilization means ______.
What is the structural unit of sexual reproduction in plant?
What are the agents for pollination?
Type of sexual reproduction is ______.
