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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
Name the parts labelled as A, B, C and D in the diagram given below:-
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
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 :
(A) III, I, V, IV, II
(B) III, I, II, IV, V
(C) III, IV, V, I, II
(D) III, I, IV, V, II
Name the swollen lower part of the carpel.
What is the function of a flower?
What are the reproductive organs in a flower?
What is the name of female part of a flower?
Explain the terms 'cross-pollination'?
The flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops which lie just inside the ring of petals.
(a) Name A. What are the various parts of A?
(b) Which part of A contains gametes?
(c) Name B. What is the swollen top of B known as?
(d) What does the swollen top of b contain?
(e) Out of A and B, which one is (i) male part, and (ii) female part of the flower?
Fill in the blank by selecting suitable word:
A flower bearing only male or female parts is known as __________ flower.
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Fill in the blanks:
A stamen consists of ______ and ________.
Fill in the blank:
Seeds are formed from________.
Mention the function of Flower.
Mention the function of Anther.
Mention the function of Stigma.
Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
Identify A, B, C and D in the given diagram and write their names.
Describe an activity to demonstrate phototropism.
Prepare a slogan for campaign against female foeticide.
What is meant by pollination?
Pollen grains are formed by _________ division in locules of anthers.
__________ is present in unisexual flower.
Pollen grains from anther are transferred to the stigma.
Distinguish between self-pollination and cross-pollination.
Observe the figure below. Write functions of the labelled parts.
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
In which part of the flower germination of pollen grains takes place?
The anther wall consists of four wall layers where ______
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?
Conidia are formed endogenously while zoospores are formed endogenously.
The flower of the Hibiscus plant is ______
State the number of sets of chromosomes present in a zygote.
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
 |
 |
 |
Explain the post fertilization changes that occur in the ovary of a flower.
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.
