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प्रश्न
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
विकल्प
endosmosis
imbibition
capillarity
osmosis
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उत्तर
Swelling of wooden doors during rains is caused by imbibition
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संबंधित प्रश्न
Study the diagram given below and answer the questions that follow:
- Name the process being studied in the above experiment.
- Explain the process mentioned in (a) above
- Why is oil placed over water?
- What do we observe with regard to the level of water when this set-up is placed in (1) bright sunlight, (2) humid conditions and (3) windy days?
- Mention any three adaptations found in plants to foster the process mentioned in (a) above
Choose the correct answer:
Meaning of ascent of sap is ____________
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.
Given below is the diagram of a cell as seen under the microscope after having been placed in a solution:
(i) What is the technical term used for the state/condition of the cell given above?
(ii) Give the technical term for the solution in which the cell was placed.
(iii) Name the parts numbered 1 to 4.
(iv) Is the cell given above a plant cell or an animal cell ? Give two reasons in support of your answer as evident from the diagram.
(v) What would you do to bring this cell back to its original condition?
Draw a cross-section of root showing association of soil particles with root hairs.
Give Technical Term for the following.
The tissue responsible for the ascent of sap in plants.
________ type of tissues are present in epiphytic roots.
Identify labels x, y, z in the given figure of root showing different regions.
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Root hair is a cytoplasmic extension of ______.
