Guard Cells & Stomata

Practice questions on Guard Cells & Stomata

Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.

1. 1
   In a laboratory experiment, a plant is placed in an environment with high humidity. How might the guard cells in the plant's leaves respond, and what will be the effect on the stomata?Multiple choice
2. 2
   Consider a scenario where a plant experiences drought conditions. What physiological process occurs in the guard cells, and how does it affect the plant's water management?Multiple choice
3. 3
   During photosynthesis, why is the regulation of stomata by guard cells crucial for healthy plant function, and what might occur if stomata remain uncontrolled?Multiple choice
4. 4
   In response to environmental changes, how do guard cells adapt to noon-time sun exposure, and how does this adaptation benefit the plant?Multiple choice
5. 5
   How might the malfunction of guard cells affect a plant's ability to photosynthesise, and what consequence would this have on the plant's overall growth?Multiple choice