Biology Digestion Online Mcqs Test

Mustansar KhanLast Updated: October 14, 2025

Important Biology Digestion Question and Answer

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Biology Test
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Biology Digestion Practice Test Online With Explanation

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1. What is the function of bile in digestion?

2. What is the role of the enzyme sucrase?

3. Which enzyme begins the digestion of starch in the mouth?

4. Where does most protein digestion take place?

5. Where is bile stored before being released into the small intestine?

6. What is the end product of carbohydrate digestion?

7. What is the function of the enzyme maltase?

8. Which part of the digestive tract connects the mouth to the stomach?

9. Which of the following structures prevents food from entering the windpipe?

10. What is the function of the appendix in digestion?

11. What is the function of the enzyme lipase?

12. Which structure absorbs water and forms feces?

13. Which of the following nutrients does NOT begin digestion in the mouth?

14. What triggers the release of bile from the gallbladder?

15. What is the name of the semi-liquid mixture of food and digestive juices in the stomach?

16. What substance in the stomach helps kill bacteria and activate enzymes?

17. Where is the enzyme pepsin active?

18. Which nutrient begins its digestion in the mouth?

19. Which of the following is the main site for digestion and absorption of nutrients?

20. Which part of the digestive system is responsible for mixing food with gastric juice?

21. What are the finger-like projections in the small intestine called?

22. What is the main function of the stomach in digestion?

23. What causes the acidic pH in the stomach?

24. Which of these best describes the liver’s function in digestion?

25. Which enzyme is responsible for protein digestion in the small intestine?


 

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Mustansar KhanLast Updated: October 14, 2025

Mustansar Khan

Hey Exam Warriors! I'm Mustansar Khan, your ally in conquering tests. Uncover strategies, real-time experiences, and expert advice to turn your study sessions into victories. Let's gear up for success!
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