1. Which plant hormone is primarily responsible for promoting cell elongation and root initiation?
2. Where are auxins primarily produced in the plant?
3. What is the main function of gibberellins in plants?
4. Which hormone is involved in breaking seed dormancy and promoting germination?
5. Cytokinins are primarily synthesized in which part of the plant?
6. What role do cytokinins play in plants?
7. Which hormone is responsible for fruit ripening and leaf abscission?
8. Where is ethylene produced in the plant?
9. Which hormone induces seed dormancy and closes stomata during water stress?
10. Abscisic acid is produced in which parts of the plant?
11. Brassinosteroids are known for promoting which plant process?
12. Jasmonates primarily mediate which plant response?
13. Salicylic acid is involved in which type of plant defense?
14. Which synthetic growth regulator is commonly used as a rooting agent in cuttings?
15. Ethylene-releasing compounds are used in agriculture for what purpose?
16. What is one common use of synthetic auxins in agriculture?
17. How do abscisic acid (ABA) and gibberellins interact in seed germination?
18. What is the primary role of cytokinins in plant tissue culture?
19. Which plant hormone is most associated with apical dominance?
20. Which hormone is involved in the response to mechanical stress (thigmomorphogenesis)?
21. Which hormone’s primary function is to delay leaf senescence?
22. Which hormone is known to mediate responses to mechanical stress and induce leaf abscission?
23. What is the main function of abscisic acid during water stress?
24. Which hormone is synthesized in roots and transported to other parts of the plant to stimulate cell division?
25. Which synthetic growth regulator is used to control weeds?
26. Which plant hormone can enhance cell elongation and increase resistance to stress?
27. Salicylic acid enhances plant resistance to pathogens by activating what?
28. Which hormone is commonly used to synchronize fruit ripening in agriculture?
29. Jasmonates are involved in which type of plant response?
30. Which hormone is used to promote cell elongation in dwarf plants?
31. What is the primary function of brassinosteroids in plants?
32. Which hormone is associated with the systemic acquired resistance (SAR) in plants?
33. Which plant hormone can be used to induce parthenocarpy (development of fruit without fertilization)?
34. Which hormone plays a crucial role in initiating the ripening of climacteric fruits?
35. What effect does abscisic acid have on stomatal closure?
36. Which hormone is involved in promoting the growth of lateral buds?
37. Which hormone can be used to extend the shelf life of cut flowers?
38. Brassinosteroids are known for their role in which plant process?
39. The hormone responsible for delaying leaf senescence and promoting cell division is:
40. Which hormone promotes the closing of stomata during water stress?
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