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प्रश्न
Find the odd one out:
विकल्प
Stigma
Anther
Style
Ovary
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उत्तर
Anther
APPEARS IN
संबंधित प्रश्न
(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.
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
Explain what you understand by sexual reproduction.
Name the part made up of the stigma, style and ovary.
Name the swollen lower part of the carpel.
What are the reproductive organs in a flower?
What is the name of female part of a flower?
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.
Name the part of a seed which grows into root.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the female gamete?
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?
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
Mention the function of Flower.
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.
Explain the process of fertilisation in flowers.
“Cell division is a type of reproduction in unicellular organism.” Justify.
Identify the odd. Stigma, Style, Pollen, Ovary.
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
Pollen tube reaches the embryo sac via style.
Observe the figure below. Write functions of the labelled parts.
The male reproductive part of a flower is ______.
The essential parts of a flower are ______.
The ovule of an angiosperm is technically equivalent to ______
Generally, in a pollen tube, which of the following moves to the tip of the tube?
How many middle layers are generally present in the wall of the anther lobes?
Which type of development is observed in male gametophytes of plants?
Gloriosa superba exhibits ______.
In a flowering plant, archesporium gives rise to ______.
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
What is the function of calyx?
Triple fusion involves ______.
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
Type of sexual reproduction is ______.
In male reproductive whorl of a flower the archesporial cells are formed by ______.
