LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DIVERSITY AMONG LIFE FORMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What part of the cell opens and closes the stomata?
A
guard cells
B
mitochondria
C
chloroplast
D
vacuole
Explanation: 

Detailed explanation-1: -Opening and closing of stomata occur due to turgor changes in guard cells. When guard cells are turgid (swollen), the stomatal pore is open while in flaccid conditions, the stomatal aperture closes.

Detailed explanation-2: -Guard cells use osmotic pressure to open and close stomata, allowing plants to regulate the amount of water and solutes within them.

There is 1 question to complete.