Benedict’s Test -Multiple Choice Questions Quiz

Interactive MCQs on “Benedict’s Test”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is Benedict's Test used to detect?

(a) Proteins
(b) Starch
(c) Reducing sugars
(d) Lipids

Question 2: Which color indicates a positive result in Benedict's Test?

(a) Green
(b) Blue
(c) Red/orange
(d) Yellow

Question 3: Which of the following sugars is a reducing sugar and can give a positive result in Benedict's Test?

(a) Sucrose
(b) Lactose
(c) Fructose
(d) Maltose

Question 4: Which of the following conditions must be met for Benedict's Test to give a positive result?

(a) The solution must be acidic
(b) The solution must be alkaline
(c) The solution must contain a protein
(d) The solution must contain a reducing sugar

Question 5: Which of the following substances can interfere with the results of Benedict's Test?

(a) Proteins
(b) Starch
(c) Vitamin C
(d) All of the above

Question 6: Which of the following reducing sugars can give the highest concentration of copper oxide precipitate in Benedict's Test?

(a) Glucose
(b) Fructose
(c) Galactose
(d) Maltose

Question 7: Which of the following is not a common application of Benedict's Test?

(a) Detecting the presence of glucose in urine
(b) Measuring blood sugar levels in diabetes patients
(c) Identifying the type of sugar in a food sample
(d) Detecting the presence of starch in a solution

Question 8: Which of the following is not a limitation of Benedict's Test?

(a) It can give false positives in the presence of other reducing substances.
(b) It can give false negatives if the concentration of reducing sugar is too low.
(c) It requires a large sample volume.
(d) It cannot differentiate between different types of reducing sugars.

Question 9: How does the principle of Benedict's Test work?

(a) It uses a reducing sugar to reduce copper ions to copper oxide, which forms a precipitate.
(b) It uses a complexation reaction to identify the type of sugar in a sample.
(c) It uses an enzymatic reaction to break down the sugar into its component parts.
(d) It uses a pH indicator to determine the presence of a sugar.

Question 10: Which of the following is a common modification of Benedict's Test?

(a) Fehling's Test
(b) Tollens' Test
(c) Barfoed's Test
(d) Seliwanoff's Test