Apical Dominance and Gravitropism Practice Questions
20 free Apical Dominance and Gravitropism practice questions for the NCERT Biology, 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 Apical Dominance and Gravitropism questions
- Q1. Apical dominance in plants is primarily regulated by which plant hormone?
- Q2. Removal of the apical bud in a shoot generally results in:
- Q3. Which hormone can counteract apical dominance when applied to lateral buds?
- Q4. Gravitropism refers to the growth response of plants to:
- Q5. Roots usually exhibit which type of gravitropic response?
- Q6. Shoots show negative gravitropism because they grow:
- Q7. Which cells in the root tip are mainly involved in gravity perception?
- Q8. Statoliths involved in gravitropism are composed mainly of:
- Q9. In roots, higher auxin concentration on the lower side causes:
- Q10. In shoots, higher auxin concentration on the lower side leads to:
- Q11. Which experiment demonstrated the role of auxin in apical dominance?
- Q12. The redistribution of auxin during gravitropism occurs mainly through:
- Q13. Which part of the plant is most sensitive to gravity?
- Q14. Apical dominance is ecologically advantageous because it:
- Q15. Which of the following conditions would reduce apical dominance?
- Q16. Gravitropic curvature in roots mainly occurs due to differential growth in which zone?
- Q17. Which statement about auxin action is correct?
- Q18. If a horizontally placed shoot is kept in darkness, it will:
- Q19. Which factor primarily differentiates phototropism from gravitropism?
- Q20. The suppression of lateral buds by apical dominance occurs because auxin: