Please select a subject first
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Fill in the Blank
Leaves get wilted if _________ is removed from the plant.
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Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Xylem is the water-conducting tissue in plants.
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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. |
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Multiple Choice Question:
Process of endosmosis stops:
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Multiple Choice Question:
Water will be absorbed by the root hairs when:
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What are the basic requirements of photosynthesis?
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Name the membrane that connects thylakoid of one granum With the other granum.
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What do you mean by endocrine system?
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What are endocrine glands?
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What is the chemical nature of hormone?
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Why are hormones called ‘chemical messengers’?
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What are the general properties of hormones?
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Give some adaptations in green leaf photosynthesis.
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Which parts of the alimentary canal produce hormones?
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Name the different endocrine glands found in the body of man.
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What is the importance of photosynthesis in the life of the following:
Green plants
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What is the importance of photosynthesis in the life of the following:
Non-green plants
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Is the following gland an exocrine or an endocrine gland?
Salivary gland
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Is the following gland an exocrine or an endocrine gland?
Liver
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