Question

Statement A: Inner wall is pushed outwards Statement B: Outer wall is pulled outwards

• A. Both the statements are true
• B. Both the statements are false
• C. Both the statements are false
• D. Statement B is true but Statement A is false

Answer 1

Answer:

D. Statement B is true but Statement A is false

• Thin outer wall bulges out due to change in turgidity of guard cells during the shift from night to day.

• This leads to thick inner wall being pulled outside by the outer wall, thereby forming crescent shape.