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Plant Growth and Development โ€“ Phases, Growth Rate, Hormones (Auxin, Gibberellin)

Biology ยท Grade 11 ยท Week 40 ยท 25 questions

In Grade 11 biology, Plant Growth and Development explores Phases, Growth Rate, and Hormones (Auxin, Gibberellin). Concepts introduced here reappear in Grade 12 and are frequent sources of NEET questions.

What you'll practise

  • Evaluate Phases
  • Evaluate Growth Rate
  • Identify Hormones (Auxin, Gibberellin)
  • Apply plant growth and development concepts to NCERT exercise and exemplar problems
All 25 questions in this Plant Growth and Development โ€“ Phases, Growth Rate, Hormones (Auxin, Gibberellin) quiz

Grade 11 Biology โ€” Plant Growth and Development โ€“ Phases, Growth Rate, Hormones (Auxin, Gibberellin): 25 practice questions with instant scoring and explanations.

  1. Growth at cellular level is
  2. Phases of growth include
  3. Arithmetic growth is characterized by
  4. Geometric growth is
  5. Sigmoid growth curve includes
  6. Absolute growth rate is
  7. Relative growth rate is
  8. Auxins were first isolated from
  9. Natural auxin is
  10. 2,4-D is used as
  11. Apical dominance is due to
  12. Gibberellins were first identified from
  13. Gibberellins promote
  14. Bolting in plants is caused by
  15. Auxin promotes
  16. Parthenocarpy can be induced by
  17. Auxin is produced at
  18. Auxin is transported
  19. IAA formation in plants uses
  20. Rooting of cuttings is induced by
  21. Plant weed killer is
  22. Gibberellin is found in
  23. GA's mode of action in barley seeds is to induce
  24. Auxin concentration gradient causes
  25. Herbicidal use of 2,4-D selectively kills
Question 1 of 250 correct so far

Growth at cellular level is