JAMB Biology 2023 Objective — Question 4
Question 4 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2023 Objective paper, with the correct answer and a full explanation.
Advertisement
The digestive enzyme that is present in the saliva is
- A. renin
- B. ptyalinCorrect
- C. chymotrypsin
- D. pepsin
Explanation
Ptyalin is the digestive enzyme present in saliva; as food is chewed, ptyalin mixes with it and begins breaking down complex carbohydrates (e.g. starch) into simpler sugars such as maltose.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.