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Question
Fill in the following blank with suitable word :
The name of the structure in the flower in which the male gamete is formed is...........
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Solution
The structure of a flower in which the male gamete is formed is pollen.
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RELATED QUESTIONS
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
How does the process of fertilisation take place in flowers?
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the blank:
Seeds are formed from________.
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
Prepare a slogan for campaign against female foeticide.
Identify the female gametophyte in angiosperms.
In a flowering plant, archesporium gives rise to ______.
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?
State the number of sets of chromosomes present in a zygote.
Double fertilization is exhibited by ______
Double fertilization is essential for formation of ______.
Sketch and label the essential and accessory whorls of flower.
In a plant flower the female whorl is ______.
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
The pollen tube usually enters the embryo sac ______.
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
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