Biology Practice: Absorption by Roots (Mock Test 3 - Advanced Processes & Mechanisms)
1. What is the fundamental mechanism that allows root hairs to absorb water from soil even when the soil moisture is relatively low?
2. During "Active Transport" of mineral ions, what is the role of ATP?
3. How does "Turgor Pressure" contribute to the process of opening and closing of stomata?
4. Why is "Imbibition" considered a prerequisite for the germination of seeds?
5. Which process explains the mechanism behind "Wilting" of leaves in a potted plant when salted water is added to the soil?
6. The "Transpirational Pull" mechanism is effective even in 100-meter tall trees due to which property of water?
7. What is the metabolic significance of "Root Pressure" during the night when transpiration is low?
8. Which mechanism prevents a plant cell from bursting during extreme turgidity?
9. The "Casparian Strip" in the endodermis blocks which pathway of water movement?
10. What describes the "Ascent of Sap"?
11. Why does a plant cell become 'Flaccid' in a hypertonic solution?
12. Which physical process is responsible for the "Swelling of wooden doors" during the rainy season?
13. The mechanism of "Guttation" is driven primarily by:
14. What happens during "Deplasmolysis"?
15. Root hairs are short-lived because:
16. The "Concentration Gradient" during absorption refers to:
17. Which mechanism allows plants like "Mangroves" to absorb oxygen in swampy soil?
18. "Cohesion" is the attraction between ______, while "Adhesion" is the attraction between ______.
19. The process of "Transcription" in roots is inhibited if:
20. Which of the following is an example of "Turgor-based" movement in plants?
