Biology Practice: Absorption by Roots (Mock Test 5 - Ultimate Comprehensive Mastery)
1. The pressure developed in the cortical cells of a root which forces water into the xylem is:
2. When a plant cell is placed in a hypertonic solution, it becomes:
3. Root hairs are most effective for absorption because:
4. The process by which raisins swell up when kept in water is:
5. The movement of mineral ions from the soil into the roots against a concentration gradient is:
6. The state of a cell where the cell wall is in a state of tension due to the turgor pressure is:
7. The loss of water as droplets from hydathodes is known as:
8. A plant wilts when:
9. Which of the following is an example of imbibition?
10. The cell wall of a plant cell is:
11. Water enters the root hair because the osmotic pressure of the soil water is:
12. The continuity of the water column in xylem is maintained by:
13. Movement of water from cell to cell in the cortex is due to:
14. The salt concentration in the soil is increased. What will happen to the plant?
15. The "Casparian Strip" is found in the:
16. Turgor pressure is the pressure of the:
17. Deplasmolysis occurs when a plasmolysed cell is placed in:
18. The process of upward movement of water and minerals is called:
19. Which of the following is selectively permeable?
20. In a turgid cell, which of the following is true?
