MEDIUM
AS and A Level
IMPORTANT
Earn 100

Draw a flow chart diagram to show the stages in opening and closing of a stomata.

Important Questions on Homeostasis

MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 14 - Homeostasis>Question>Q 18
Explain when it is an advantage for plants to close their stomata. 
MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 14 - Homeostasis>Question>Q 18
Outline how ABA functions to stimulate the closure of stomata. 
EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 14 - Homeostasis>EXAM-STYLE QUESTIONS>Q 1
Outline the role of the kidneys in homeostasis.
MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 14 - Homeostasis>EXAM-STYLE QUESTIONS>Q 2
Explain how the cells lining of collecting ducts determine the concentration of the urine that enters the renal pelvis of the kidney. 
EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 14 - Homeostasis>EXAM-STYLE QUESTIONS>Q 3

The control of the water content of the blood is an example of homeostasis.

Name the part of the body that monitors the water potential of the blood. 

EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 14 - Homeostasis>EXAM-STYLE QUESTIONS>Q 6
Explain why the control of blood glucose is an example of negative feedback.
EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 14 - Homeostasis>EXAM-STYLE QUESTIONS>Q 7
Explain what is meant by a biosensor.