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प्रश्न
In the figure, the parts marked A, B and C are sequentially:
(A) Plumule, Radicle and Cotyledon
(B) Radicle, Plumule and Cotyledon
(C) Plumule, Cotyledon and Radicle
(D) Radicle, Cotyledon and Plumule
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उत्तर
(A)
In the figure, the parts marked A, B, and C are Plumule, Radicle and Cotyledon respectively.
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संबंधित प्रश्न
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
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?
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
Explain the process of fertilisation in flowers.
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
Which of the following is the outermost protective layer of anther?
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
The ovaries of different flowers may contain ______.
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
