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प्रश्न
Name the part of a seed which contains stored food.
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उत्तर
The part of the seed which contains stored food is called cotyledon.
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संबंधित प्रश्न
How does fertilisation occur in flowers? Name the parts of the flower that develop into (i) seed, and (ii) fruit after fertilisation.
Name the parts A, B and C shown in the following diagram and state one function of each.
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
The fusion of male and female gametes is termed as ______.
Where is the female gamete formed in flowering plants?
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
Explain the terms 'self pollination'
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
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?
Fill in the blanks:
A carpel consists of ________ , ________ and ________.
Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
Explain sexual reproduction in plants.
Prepare a slogan for campaign against female foeticide.
Pollen tube reaches the embryo sac via style.
The anther wall consists of four wall layers where ______
The ovule of an angiosperm is technically equivalent to ______
Conidia are formed endogenously while zoospores are formed endogenously.
Which among the following statements are true for unisexual flowers?
- They possess both stamen and pistil
- They possess either stamen or pistil
- They exhibit cross pollination
- Unisexual flowers possessing only stamens cannot produce fruits
What is puberty?
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
