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प्रश्न
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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उत्तर
(d) radicle
The radicle of a seed forms the root after germination.
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संबंधित प्रश्न
Give one example of a unisexual flower.
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
Explain what you understand by sexual reproduction.
The reproductive part of a plant is the ______.
Where is the male gamete formed in flowering plants?
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
State whether the following statement is true (T) or false (F):
Flowers which possess stamens and carpel are called unisexual.
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
Mention the function of Flower.
Mention the function of Anther.
Mention the function of Stigma.
What are the male and female gametes in a flowering plant?
Draw a labelled diagram of a bisexual flower.
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
Give scientific reason.
Flower is a structural unit of sexual reproduction in plants.
Variations occur as a result of ______
Give any two examples of agents of pollination.
The pollen tube usually enters the embryo sac ______.
State the post-fertilisation changes that lead to fruit formation in plants.
