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NCERT TAMIL-COMPETITIVE EXAM QUESTIONS -PLANT PHYSIOLOGY
- Duramen is present in
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- Transpiration and root pressure cause water to rise in plants by
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- Movement of ions or molecules in a direction opposite to that of preva...
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- Correct sequence of events in wilting ?
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- What will be the direction of net osmotic movement of water if a solut...
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- The pressure exerted by a swollen vacuole on the cell wall is
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- Who said that 'transpiration is a necessary evil' ?
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- Which one gives the most valid and recent explanation for stomatal mov...
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- Carrier proteins are involved in
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- Active transport of ions in the cell requires
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- Guttated liquid is
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- Stomata of a plant open due to
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- Potometer works on the principle of
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- Most suitable theory for ascent of sap is
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- If a cell kept in a solution of unknown concentration gets deplasmolys...
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- Which is essential for the growth of root tip ?
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- On the basis of symptoms of chlorosis in leaves, a student inferred th...
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- Cytochrome oxidase contains
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- Which is correct to saprophytic angiosperms ?
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- The ability of the venus fly trap to capture insects is due to
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