LEARNING WITH QUESTIONS AND ANSWERS
2026/2027 LATEST UPDATE
1. Which of the following is the approximate number of the different amino
acids used in the synthesis of body proteins?
(A) 5
(B) 10
(C) 15
(D) 20
Answer :
(D)
2. What is the simplest amino acid?
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,(A) valine
(B) glycine
(C) alanine
(D) methionine
Answer :
(B)
3. Which of the following is a DISPENSABLE amino acid in human
nutrition?
(A) proline
(B) threonine
(C) methionine
(D) tryptophan
Answer :
(A)
4. Where does the body obtain indispensable amino acids?
(A) diet
(B) synthesis from other amino acids
(C) carbohydrate fragments
(D) fat fragments
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,Answer :
(A)
5. What type of reaction is required to bind two molecules of glycine
together and release one molecule of water?
(A) hydrolysis
(B) deamination
(C) denaturation
(D) condensation
Answer :
(D)
6. Which of the following properties applies to a dispensable amino acid?
(A) It is not needed by the body.
(B) It can be synthesized by the body.
(C) It can be used to synthesize an indispensable amino acid.
(D) It cannot be synthesized by the body because of a genetic defect.
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, Answer :
(B)
7. Of the following elements associated with macronutrients, which one is
found exclusively in proteins?
(A) carbon
(B) oxygen
(C) hydrogen
(D) nitrogen
Answer :
(D)
8. How are amino acids more complex than the building units of
carbohydrates and fats?
(A) Amino acids are longer in length.
(B) Amino acids do not contain carbon.
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