Excretion in Humans
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Excretory products
SubtopicExcretory products under Excretion in Humans for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which of the following is a substance that the body needs to remove to maintain a constant internal environment?
A.Excess salts
B.Glucose for energy
C.Oxygen for respiration
D.Red blood cells for transport
- 2.
What is the function of the urethra?
A.To produce urine
B.To store urine
C.To transport urine out of the body
D.To transport blood to the kidney
- 3.
Which waste product is produced from the breakdown of excess amino acids?
A.Carbon dioxide
B.Water
C.Urea
D.Oxygen
Download the worksheet for Excretion in Humans - Excretory products to practice offline. It includes additional chapter-level practice questions.
Structure and function of kidneys
SubtopicStructure and function of kidneys under Excretion in Humans for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which component of the nephron comes immediately after the Bowman's capsule?
A.Loop of Henle
B.Collecting duct
C.Proximal convoluted tubule
D.Distal convoluted tubule
- 2.
What is the name for the process where useful substances are taken back into the blood from the kidney tubule?
A.Active filtration
B.Selective reabsorption
C.Osmosis
D.Diffusion
- 3.
Which of these is a metabolic waste product?
A.Carbon dioxide
B.Fiber
C.Undigested cellulose
D.Vitamin C
Download the worksheet for Excretion in Humans - Structure and function of kidneys to practice offline. It includes additional chapter-level practice questions.
Dialysis and transplants
SubtopicDialysis and transplants under Excretion in Humans for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
What is the main role of the dialysis fluid's salt concentration?
A.To provide the patient with extra energy
B.To balance the patient's blood electrolytes
C.To make the urea more soluble
D.To prevent the blood from freezing
- 2.
Why does dialysis treatment not require tissue matching?
A.Because the blood is returned to the same person
B.Because the machine uses artificial blood
C.Because urea does not have antigens
D.Because the dialysis fluid is sterile
- 3.
Which substance is added to blood during dialysis to prevent it from clotting in the machine?
A.Insulin
B.Heparin (an anti-coagulant)
C.Adrenaline
D.Glucagon
Download the worksheet for Excretion in Humans - Dialysis and transplants to practice offline. It includes additional chapter-level practice questions.