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Question
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
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Solution
Flowering plants reproduce by the sexual method of reproduction.
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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
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
A flower may have either male or female reproductive parts. Such a flower is called ______.
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
What is made in ovary of a flower?
Name the part of a seed which grows into root.
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
What is pollination? How does pollination occur?
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Fill in the blank:
Seeds are formed from________.
Mention the function of Flower.
List any two differences between pollination and fertilization.
Draw a diagram of the longitudinal section of a flower and label the following parts.
Observe the figure below. Write functions of the labelled parts.
In which part of the flower germination of pollen grains takes place?
How many middle layers are generally present in the wall of the anther lobes?
What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
In human beings, fertilization occurs in the ______
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?
The ovaries of different flowers may contain ______.
