Excretory Products And Their Elimination(Human Anatomy And Physiology ) Questions and Answers

Question 1. A terrestrial animal must be able to ________
  1.    Excrete large amount of water
  2.    Actively pump salts through skin
  3.    Excrete large amount of salts in urine
  4.    Conserve water
Explanation:-
Answer: Option D. -> Conserve water
Answer: (d).Conserve water

Question 2. Uricotelism is found in ____________
  1.    Birds reptiles and insects
  2.    Frogs and toads
  3.    Mammals and birds
  4.    Fishes and fresh water protozoans
Explanation:-
Answer: Option C. -> Mammals and birds
Answer: (c).Mammals and birds

Question 3. Animals which excrete urea are known as ____________
  1.    Aminotelism
  2.    Ureotelism
  3.    Uricotelism
  4.    Ammonotelism
Explanation:-
Answer: Option C. -> Uricotelism
Answer: (c).Uricotelism

Question 4. Which of the following nephridia are not found in earthworm?
  1.    Septal nephridia
  2.    Macronephric nephridia
  3.    Pharyngeal nephridia
  4.    Integumentary nephridia
Explanation:-
Answer: Option B. -> Macronephric nephridia
Answer: (b).Macronephric nephridia

Question 5. Excretory waste of birds and reptiles are _________
  1.    Urea
  2.    Uric acid and urea
  3.    Uric acid
  4.    Ammonia and uric acid
Explanation:-
Answer: Option D. -> Ammonia and uric acid
Answer: (d).Ammonia and uric acid

Question 6. Polystyrene sulfonate is used in renal failure to ___________
  1.    Prevent constipation
  2.    Reduce serum level
  3.    Correct acidosis
  4.    Exchange potassium ions
Explanation:-
Answer: Option D. -> Exchange potassium ions
Answer: (d).Exchange potassium ions

Question 7. Which of the following is the only vertebrate osmoconformer?
  1.    Bird
  2.    Hag fish
  3.    Rabbit
  4.    Dog
Explanation:-
Answer: Option B. -> Hag fish
Answer: (b).Hag fish

Question 8. Simultaneous movement of two molecules across a membrane in the same direction is known as _______
  1.    Antiport
  2.    Symport
  3.    Uniport
  4.    Biport
Explanation:-
Answer: Option B. -> Symport
Answer: (b).Symport

Question 9. Sea gulls excrete salts from ___________
  1.    Nasal chamber
  2.    Liver
  3.    Lungs
  4.    Kidneys
Explanation:-
Answer: Option A. -> Nasal chamber
Answer: (a).Nasal chamber

Question 10. A condition in which body’s internal environment remains nearly constant is called as _________
  1.    Homeostasis
  2.    Hematoma
  3.    Hemostasis
  4.    Hemopoeisis
Explanation:-
Answer: Option A. -> Homeostasis
Answer: (a).Homeostasis