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प्रश्न
State whether the following statement is true or false. Rewrite the false statement correctly.
Water absorption mainly occurs through the root-hair.
पर्याय
True
False
उत्तर
True
Water absorption mainly occurs through the root hair.
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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.
Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
Match the items in column I with those in column II
Column I | Column II | ||
(a) | Xylem | (i) | semi - permeable |
(b) | Phloem | (ii) | permeable |
(c) | Cell membrane | (iii) | downward flow of sap |
(d) | Root pressure | (iv) | upward flow of water |
(e) | Cell wall | (v) | guttation |
Choose the correct answer:
In ascent of sap water reaches upwards ____________
Differentiate between the following
Permeable and Semi-permeable membrane.
Given below is an experimental demonstration.
(i) Which phenomenon has been demonstrated in the given figure?
(ii) What is the solute and what is solvent in the above experiment?
(iii) Define the phenomenon in Q. (i) above.
(iv) Give one example from your daily life experiences based on this principle.
Explain the Term: Guttation
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Epiphytic plants like ____________ absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Explain about the factors that affect water absorption.