Excretion || excretory products MCQs

Excretion MCQ Quiz

1. Excretion is mainly the process of removal of?

Nutrients Metabolic waste Hormones Enzymes

2. Animals that excrete ammonia are called?

Ammonotelic Ureotelic Uricotelic Nephrotelic

3. Which of the following is a nitrogenous waste?

Glucose Urea Fatty acids Oxygen

4. Uric acid is excreted by which animals?

Mammals Amphibians Birds and reptiles Fish

5. The nitrogenous waste that requires the least water to excrete is?

Ammonia Urea Uric acid Creatinine

6. Urea is produced in which organ?

Liver Kidney Heart Lungs

7. Which compound is highly toxic and needs large water for excretion?

Ammonia Urea Uric acid Glucose

8. Animals excreting urea are called?

Ammonotelic Ureotelic Uricotelic Nitrotelic

9. Creatinine is a waste product formed from?

Muscle metabolism Liver metabolism Kidney function Heart function

10. Which of the following is weakly acidic and less soluble in water?

Ammonia Urea Uric acid Carbon dioxide

11. Ammonia is converted into urea in which cycle?

Urea cycle (Ornithine cycle) Krebs cycle Calvin cycle Glycolysis

12. Terrestrial animals generally excrete?

Ammonia Urea or uric acid Creatinine Glucose

13. Blood urea test (BUN) is used to check?

Kidney function Liver function Heart function Lung function

14. Ammonia is _____ times more toxic than urea?

100,000 1,000 10,000 100

15. Uric acid can be stored in body tissues without harm?

True False

16. 75% of uric acid is excreted by which organ in humans?

Kidneys Liver Intestine Lungs

17. Which excretory product is a breakdown product of purines?

Uric acid Urea Ammonia Creatinine

18. Animals in water excrete mostly?

Ammonia Urea Uric acid Creatinine

19. Urea is chemically?

Neither acidic nor alkaline Acidic Alkaline Gaseous

20. Uricotelic animals conserve water by excreting uric acid as?

Thick paste-like Liquid Gas Solid crystals