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Question
Find the odd one out:
Options
Stigma
Anther
Style
Ovary
Solution
Anther
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RELATED QUESTIONS
Name the parts labelled as A, B, C and D in the diagram given below:-
Mention the changes a flower undergoes after fertilisation.
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 :
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(B) III, I, II, IV, V
(C) III, IV, V, I, II
(D) III, I, IV, V, II
Name the male part of the flower.
What are the reproductive organs in a flower?
What is the name of female organ of a flower (other than carpel)?
Fill in the following blank with suitable word :
The female organ of reproduction in the flower is the...........
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
What type of plants reproduce by sexual reproduction method?
What is pollination? How does pollination occur?
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.
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
Mention the function of Flower.
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
In the figure, the parts marked A, B and C are sequentially:
(A) Plumule, Radicle and Cotyledon
(B) Radicle, Plumule and Cotyledon
(C) Plumule, Cotyledon and Radicle
(D) Radicle, Cotyledon and Plumule
Distinguish between unisexual and bisexual flowers giving one example of each. Draw a diagram showing process of germination of pollen grains on stigma and label the following parts:
(a) Female germ cell
(b) Male germ cell
(c) Ovary
A student is observing the temporary mount of a leaf peel under a microscope. Draw a labelled diagram of the structure of stomata as seen under the microscope
What is meant by pollination?
Pollen tube reaches the embryo sac via style.
Give scientific reason.
Fertilization in plants is called double fertilization.
In which part of the flower germination of pollen grains takes place?
Antipodal cells are present towards the ______ in an anatropous ovule.
Which of the following is the outermost protective layer of anther?
Flowers showing ornithophily show few characteristic like ______.
The process of release of eggs from the ovary is called ______
In human beings, fertilization occurs in the ______
Pollen grains are produced by ______
Which out of the following processes does not lead to the formation of clones.
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
Give reason for the following:
Fertilization cannot take place in flowers if pollination does not occur.
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
Sketch and label the essential and accessory whorls of flower.
In a plant flower the female whorl is ______.
Explain the post fertilization changes that occur in the ovary of a flower.
