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प्रश्न
In what ways is fertilisation in a plant different from fertilisation in a human?
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उत्तर
| Fertilisation in plants | Fertilisation in animals |
| External agents are required for pollination. | External agents are not required. |
| The seed is formed after fertilisation. | The human baby is formed after fertilisation. |
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संबंधित प्रश्न
State the function of flowers in the flowering plants.
The anther contains ______.
Mature ovary forms the ______.
Name the part made up of the stigma, style and ovary.
Name the swollen lower part of the carpel.
Fill in the following blank with suitable word :
The female organ of reproduction in the flower is the...........
Explain the term 'fertilisation'.
Name the part of a seed which grows into shoot.
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
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Sketch the labeled diagram:
Flower with its sexual reproductive organs
Define.
Inflorescence
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
Identify the female gametophyte in angiosperms.
Sperm and egg nuclei fuse due to ______.
Conidia are formed endogenously while zoospores are formed endogenously.
Which out of the following processes does not lead to the formation of clones.
Give any two examples of agents of pollination.
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
