Plant Hormones Practice Questions
20 free Plant Hormones practice questions for the Botany, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Plant Hormones questions
- Q1. What are plant hormones commonly called?
- Q2. Which plant hormone primarily promotes cell elongation in stems?
- Q3. Which hormone is responsible for cell division in plants?
- Q4. Which plant hormone promotes stem elongation and seed germination?
- Q5. Which plant hormone is responsible for fruit ripening?
- Q6. Which plant hormone is known as a stress hormone in plants?
- Q7. Which hormone helps in delaying the aging of plant leaves?
- Q8. Which plant hormone is mainly produced in the root tips?
- Q9. Which plant hormone helps plants respond to gravity?
- Q10. Which plant hormone inhibits plant growth and induces dormancy?
- Q11. Which hormone is involved in phototropism in plants?
- Q12. Which plant hormone can trigger flowering in long-day plants even when they are kept under short-day conditions?
- Q13. Which hormone promotes lateral bud growth when auxin levels decrease?
- Q14. Which plant hormone is unique because it exists as a gas?
- Q15. Which hormone helps plants close their stomata during water stress?
- Q16. Which hormone is most associated with apical dominance?
- Q17. Which hormone accelerates leaf and fruit drop in plants?
- Q18. Which plant hormone acts with auxin, their ratio deciding whether a tissue culture develops roots or shoots?
- Q19. Which hormone is commonly used in agriculture to stimulate seed germination?
- Q20. Which plant hormone regulates dormancy and inhibits germination under unfavorable conditions?