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प्रश्न
Identify the odd. Stigma, Style, Pollen, Ovary.
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उत्तर
Pollen (Remaining are parts of gynaecium)
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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.
How does the process of fertilisation take place in flowers?
The reproductive part of a plant is the ______.
Fill in the following blank with suitable word :
The ovary of a flower becomes ....... after fertilisation.
Fill in the following blank with suitable word :
The name of the structure in the flower in which the male gamete is formed is...........
Explain the terms 'self pollination'
Name the part of a seed which grows into shoot.
How does pollination occur?
Describe the process of fertilisation in a flower with the help of labelled diagrams.
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 the figure given alongside, the parts marked A, B and C are sequentially:
In what ways is fertilisation in a plant different from fertilisation in a human?
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
Mention the function of Anther.
What part is played by stamens and carpels in reproduction?
Draw a labelled diagram of a bisexual flower.
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.
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
Describe an activity to demonstrate phototropism.
Find an odd one out.
Accessory whorls : Calyx and corolla : : essential whorls : ______________
Pollen tube reaches the embryo sac via style.
Give scientific reason.
Flower is a structural unit of sexual reproduction in plants.
The anther wall consists of four wall layers where ______
The 3-celled egg apparatus at the micropylar end comprises of ______
Conidia are formed endogenously while zoospores are formed endogenously.
The seed that contains the future plant is called the ______
Length of pollen tube depends on the distance between ______
Which out of the following processes does not lead to the formation of clones.
Double fertilization is essential for formation of ______.
Double fertilization means ______.
What is the structural unit of sexual reproduction in plant?
What are the agents for pollination?
What is the function of calyx?
Type of sexual reproduction is ______.
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.
