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Class 11BiologyBreathing and Exchange of GasesHuman Respiratory System
Medium

The outer wall of the guard cell in a sunflower is

  • A
    Thin and elastic
  • B
    Thick and elastic
  • C
    Thin and inelastic
  • D
    Thick and inelastic
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Class 11 Questions

Class 11

Biology Questions

Chapter

Breathing and Exchange of Gases

Subtopic

Human Respiratory System

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