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Plant Growth – Cytokinins, Ethylene, ABA, Photoperiodism, Vernalisation

Biology · Grade 11 · Week 41 · 25 questions

Plant Growth is a key Grade 11 biology chapter focusing on Cytokinins, Ethylene, ABA, and Photoperiodism. Concepts introduced here reappear in Grade 12 and are frequent sources of NEET questions.

What you'll practise

  • Describe Cytokinins
  • Identify Ethylene
  • Compare ABA
  • Apply plant growth concepts to NCERT exercise and exemplar problems
All 25 questions in this Plant Growth – Cytokinins, Ethylene, ABA, Photoperiodism, Vernalisation quiz

Grade 11 Biology — Plant Growth – Cytokinins, Ethylene, ABA, Photoperiodism, Vernalisation: 25 practice questions with instant scoring and explanations.

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Question 1 of 250 correct so far

Gibberellins promote:

Week 40: Plant Growth and Development – Phases, Growth Rate, Hormones (Auxin, Gibberellin)Week 42: Breathing and Exchange of Gases – Respiratory Organs, Mechanism of Breathing