CIE iGCSE Co-Ordinated Science B4. Biological molecules Exam Style Questions Paper 1
Question
Which chemical element is found in all proteins, but not in all carbohydrates or fats?
A carbon
B hydrogen
C oxygen
D nitrogen
▶️Answer/Explanation
Ans 😀
Question
Which reagent is used to test for the presence of protein in a food sample?
A Benedict’s solution
B biuret
C ethanol
D iodine
▶️Answer/Explanation
Ans :A
Question
Which small molecules are joined together to make a starch molecule?
A amino acids
B fatty acids
C glucose
D glycerol
▶️Answer/Explanation
Ans : C
Question
Glycerol is a component of which large molecules?
(A) fats
(B) glycogen
(C) proteins
(D) starch
▶️Answer/Explanation
Ans: A