Biology Practice: Plant Coordination (Mock Test 5 - Ultimate Comprehensive Mastery)
1. The primary chemical nature of most phytohormones like Auxins and Gibberellins is:
2. Which hormone is known as the "Antagonist to Auxin" regarding the growth of lateral buds?
3. Stomatal closure during water stress is an immediate protective function of:
4. The movement of plant organs toward or away from a chemical stimulus is called:
5. "Apical Dominance" is a physiological state maintained by the concentration of:
6. Which of the following describes the nature of "Nastic movements"?
7. The hormone primarily involved in the "elongation of the stem" in genetically dwarf plants is:
8. Positive Geotropism is a characteristic feature of:
9. Which hormone is functionally a "Gaseous Phytohormone"?
10. The response of a plant's tendril twining around a support is an example of:
11. "Dormancy" in seeds and buds is promoted by which hormone during unfavorable conditions?
12. The "Clinostat" is used in the lab to eliminate the effect of ________ on plant growth.
13. Which hormone delays "Senescence" (aging) in plants by promoting nutrient mobilization?
14. The growth of a pollen tube through the style toward the ovary is a result of:
15. "Bolting" is an advanced physiological process characterized by:
16. The rapid drooping of Mimosa leaves upon touch is technically a ________ response.
17. Which combination of hormones is used to induce "Parthenocarpy" in horticulture?
18. The "Pulvinus" at the base of the leaf is functionally similar to a ________ for leaf movement.
19. Negative Phototropism is most commonly exhibited by:
20. What is the final goal of plant coordination and hormone regulation?
