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Question
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
Options
endosmosis
imbibition
capillarity
osmosis
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Solution
Swelling of wooden doors during rains is caused by imbibition
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RELATED QUESTIONS
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.
Correct the following statements by changing the underlined words:
Xylem transports starch from the leaves to all parts of the plant body
State whether the following statement is true or false. Rewrite the false statement correctly.
Water absorption mainly occurs through the root-hair.
Choose the correct answer:
Which one is semi-permeable?
Choose the correct answer:
Meaning of ascent of sap is ____________
Choose the correct answer:
The water is translocated upwards from the roots through _____________
Name the following:
Name the process by which intact plants lose water in the form of droplets.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Diffusion | (a) The exit or flow of water from the cell to the outer environment. |
| (ii) Xylem | (b) The shrinkage of protoplasm when the cell is kept in a hypertonic solution. |
| (iii) Root pressure | (c) The tissue through which water and mineral salts move upward in a plant. |
| (iv) Isotonic solution | (d) Two solutions which have equal osmotic pressure. |
| (v) Exosmosis | (e) The process by which the molecules of perfume spread in the room when the bottle is open. |
| (vi) Osmosis | (f) The process by which roots absorb water from the soil. |
| (vii) Plasmolysis | (g) The pressure by which water rises up to some feet in a lofty tree. |
| (viii) Hypotonic solution | (h) The concentration of the solution when lower than that of the cell sap. |
Root hair is a cytoplasmic extension of ______.
