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प्रश्न
Find the odd one out:
विकल्प
Stigma
Anther
Style
Ovary
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उत्तर
Anther
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संबंधित प्रश्न
What is pollination?
(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?
Name and differentiate between the two modes of pollination in flowering plants.
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
A flower may have either male or female reproductive parts. Such a flower is called ______.
State the name of the functional unit concerned with sexual reproduction.
Name the part made up of the stigma, style and ovary.
Name the swollen lower part of the carpel.
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the following blank with suitable word :
The female organ of reproduction in the flower is the...........
Give some examples of different modes of fertilisation in nature?
What type of plants reproduce by sexual reproduction method?
Name the part of a seed which contains stored food.
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
What is pollination? How does pollination occur?
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
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.
Identify A, B, C and D in the given diagram and write their names.
A student is asked to study the different parts of an embryo of pea seeds. Given below are the essential steps for the experiment :
(I) Soak the pea seeds in plain water and keep them overnight.
(II) Cut open the soaked seed and observe its different parts.
(III) Take some pea seeds in a petri dish.
(IV) Drain the excess water. Cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(A) III, I, IV, II
(B) III, IV, I, II
(C) III, I, II, IV
(D) III, II, I, IV
Write the names of male and female reproductive parts of a flower.
Explain sexual reproduction in plants.
Differentiate between self-pollination and cross-pollination.
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
Answer the following question.
List two agents of pollination?
Calyx : Sepals : : Corolla : ________________
Pollen grains from anther are transferred to the stigma.
Draw a neat and labelled diagram.
Double fertilization in angiosperms
Observe the figure below. Write functions of the labelled parts.
Flowers showing ornithophily show few characteristic like ______.
Conidia are formed endogenously while zoospores are formed endogenously.
The process of release of eggs from the ovary is called ______
Length of pollen tube depends on the distance between ______
Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages?
Double fertilization is exhibited by ______
Give any two examples of agents of pollination.
What is puberty?
Type of sexual reproduction is ______.
