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प्रश्न
Name the part of a seed which grows into shoot.
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उत्तर
The part of the seed which grows into shoot is called plumule.
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संबंधित प्रश्न
Match the following:
| Column A | Column B |
| (i) Stigma | (a) Neuron |
| (ii) Pepsin | (b) Carpel |
| (iii) Dendrites | (c) Protein |
| (d) Stamen |
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
State significance of pollination.
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
Where are the pollen grains produced?
Where are a plant's sex organs located?
Fill in the following blank with suitable word :
Ovules contain ......... gametes of a plant.
What is made in anther of a flower?
How does pollination occur?
A student is asked to study the different parts of an embryo of pea seeds. Given below are the essential steps for the experiment :
(I) Soak the pea seeds in plain water and keep them overnight.
(II) Cut open the soaked seed and observe its different parts.
(III) Take some pea seeds in a petri dish.
(IV) Drain the excess water. Cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(A) III, I, IV, II
(B) III, IV, I, II
(C) III, I, II, IV
(D) III, II, I, IV
Pollen tube reaches the embryo sac via style.
What does germination mean?
Draw a neat and labelled diagram.
Double fertilization in angiosperms
In which part of the flower germination of pollen grains takes place?
The anther wall consists of four wall layers where ______
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
Sketch and label the essential and accessory whorls of flower.
Give any two examples of agents of pollination.
In a plant flower the female whorl is ______.
