2024HSCMultiple choice
Q7
1 mark
Question
How do stomata maintain water balance in plants?
A. They close in hot weather to decrease transpiration.
B. They open in cold weather to decrease transpiration.
C. They open in hot weather to decrease evaporative cooling.
D. They close in cold weather to decrease evaporative cooling.
Syllabus alignment
Module 8 · Non-infectious Disease and Disorders
- HomeostasisInvestigate behavioural, structural, physiological, hormonal, neural and plant water-balance mechanisms.