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.
Identify the two main substances found in sweat besides water.
A.Glucose and amino acids
B.Salts and urea
C.Urea and red blood cells
D.Proteins and fats
- 2.
Which organ is responsible for the production of urea?
A.Kidney
B.Bladder
C.Liver
D.Pancreas
- 3.
Which excretory product is primarily removed from the body by the lungs?
A.Urea
B.Excess salts
C.Carbon dioxide ()
D.Uric acid
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 of these is the correct sequence of organs for the excretion of urea from the body?
A.Kidney Urethra Bladder Ureter
B.Bladder Kidney Ureter Urethra
C.Kidney Ureter Bladder Urethra
D.Ureter Kidney Bladder Urethra
- 2.
In which region of the kidney are the Bowman's capsules and glomeruli located?
A.Cortex
B.Medulla
C.Pelvis
D.Ureter
- 3.
What is the primary nitrogenous waste product excreted by the human kidney?
A.Ammonia
B.Uric acid
C.Urea
D.Amino acids
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.
As dialysis fluid passes through the machine, what happens to its concentration of urea?
A.It stays at zero
B.It decreases as it is used up
C.It increases as urea diffuses out of the blood
D.It turns into glucose molecules
- 2.
From which part of the patient's body is blood typically taken to enter the dialysis machine?
A.An artery in the arm
B.The pulmonary vein
C.The hepatic portal vein
D.The small intestine
- 3.
In the context of kidney transplants, why might a patient's body 'reject' a new organ?
A.The kidney is too small for the patient
B.The immune system identifies the donor kidney as foreign
C.The dialysis machine was not used before surgery
D.The patient has a low blood glucose level
Download the worksheet for Excretion in Humans - Dialysis and transplants to practice offline. It includes additional chapter-level practice questions.