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प्रश्न
Root hairs become flaccid, when fertilizers are added to the moist soil around it. Explain.
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उत्तर
When fertilizers are added to the moist soil around it, it will form hypertonic solution, resulting the protoplasm to shrink and plasma membrane withdraw itself from the cell wall. Hence, the root hairs also become limp or flaccid.
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संबंधित प्रश्न
The diagram of an given below demonstrates a particular process in plants. Study the same and answer the questions that follow :
(i) Name the apparatus.
(ii) Which phenomenon is demonstrated by this apparatus?
(iii) Explain the phenomenon mentioned in (ii) above.
(iv) State two limitations of using this apparatus.
(v) What is the importance of the air bubble in the experiment?
(vi) Name the structures in a plant through which the above process takes place.
Multiple Choice Question:
Put a tick mark (✓) against the correct alternative in the following statement:
The root-hairs are suited for absorbing water from the soil because:
Name the following:
The process by which water enters root hairs.
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
Study the experimental setup in the figure and then answer the question that follow.
What will you observe in the setup after about half an hour? Give reasons for your answer.
Name the following:
The kind of cells that constitute the cortex of a root.
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
Write a note on the morphological structure of the root.
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
