Animal Excretory System
Biology ⇒ Animal Biology
Animal Excretory System starts at 9 and continues till grade 12.
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See sample questions for grade 10
A patient has glucose in their urine. What could this indicate about their health?
Describe the role of antidiuretic hormone (ADH) in the excretory system.
Describe the role of the liver in excretion.
Explain the main difference between excretion and egestion.
Explain why ammonia is usually excreted by aquatic animals and not by terrestrial animals.
Explain why desert animals often excrete uric acid instead of urea.
Name the excretory structure found in flatworms.
A patient has glucose in their urine. What could this indicate about their health?
Which of the following animals excretes uric acid as the main nitrogenous waste?
(1) Mammals
(2) Birds
(3) Fish
(4) Amphibians
Which of the following animals uses nephridia for excretion?
(1) Earthworm
(2) Fish
(3) Bird
(4) Insect
Which of the following is a correct sequence of urine formation in the nephron?
(1) Filtration → Reabsorption → Secretion
(2) Reabsorption → Filtration → Secretion
(3) Secretion → Filtration → Reabsorption
(4) Filtration → Secretion → Reabsorption
Which of the following is a function of the Malpighian tubules in insects?
(1) Digestion
(2) Respiration
(3) Excretion
(4) Circulation
Fill in the blank: The removal of excess salts and water from the body of marine bony fish is mainly carried out by the __________.
Insects excrete nitrogenous waste mainly in the form of __________.
The functional unit of the kidney is the __________.
The process by which water and solutes are forced from the blood into the Bowman's capsule is called __________.
True or False: All animals excrete waste in the same chemical form.
True or False: The process of removing metabolic wastes from the body is called excretion.
True or False: Urea is more toxic than ammonia.
Yes or No: The lungs are involved in the excretion of carbon dioxide.
