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Question
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
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Solution
(d) radicle
The radicle of a seed forms the root after germination.
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RELATED QUESTIONS
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A student identified the various parts of an embryo of a gram seed and listed them as given below :
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(II) Plumule
(III) Radicle
(IV) Cotyledon
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Out of these the actual parts of the embryo are :
(A) I, II, III
(B) II, III, IV
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Sketch the reproductive parts of a flower.
The process of fusion of the male and female gametes is called ______.
What are the reproductive organs in a flower?
Where is the male gamete formed in flowering plants?
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
Name the part of a seed which contains stored food.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the female gamete?
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.
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
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
The ovule of an angiosperm is technically equivalent to ______
The seed that contains the future plant is called the ______
Double fertilization means ______.
Sketch and label the essential and accessory whorls of flower.
What is puberty?
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
