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Class 11 Biology Practice Test: Transport in Plants - Plant-Water Relations
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Class 11 Biology Practice Test: Transport in Plants - Plant-Water Relations
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20 Questions

1. Seedlings emerge out of the soil into open surroundings due to imbibition.
2. Statement A: Osmotic pressure is negative.
Statement B: Osmotic potential is also negative.
3. Which part of the cell contains water-like substances with dissolved molecules and suspended in them?
4. Concentration gradient is a mandatory condition for diffusion of substances irrespective of the process involved.
5. Statement A: Solute potential increases with dissolution of solutes.
Statement B: The value of solute potential is always negative.
6. Statement A: Solute potential increases with dissolution of solutes.
Statement B: The value of solute potential is always negative.
7. The pressure built up against the cell wall of a plant cell due to diffusion of water causes the cell to become _________
8. The pressure built up against the cell wall of a plant cell due to diffusion of water causes the cell to become _________
9. The greater concentration of water in a system leads to _________
10. Concentration gradient is a mandatory condition for diffusion of substances irrespective of the process involved.
11. Which of the following is a reversible phenomenon?
12. Which part of the cell contains water-like substances with dissolved molecules and suspended in them?
13. The value of water potential of pure water is ________
14. Woody parts of plants contain relatively less water while soft parts contain more water.
15. The unit of water potential is_________
16. The greater concentration of water in a system leads to _________
17. The space between the cell wall and the shrunken protoplast in a plasmolysed cell is occupied by ________
18. Which of the following is a reversible phenomenon?
19. Statement A: Water is the limiting factor for plant growth and productivity.
Statement B: A minute amount of water is lost to the environment by the leaves.
20. At atmospheric pressure, the water potential is equal to_________