Virtual Labs

Physical Sciences Dairy Technology Lab Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Analysis of Adulteration in Milk and Milk products

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1.Which color indicates the presence of starch in milk during the test?

a: Red Explanation

Explanation

b: Yellow Explanation

Explanation

c: Blue Explanation

Explanation

d: Green Explanation

Explanation

2.What is the function of DMAB reagent in urea detection?

a: To dissolve milk fat Explanation

Explanation

b: To bind with water Explanation

Explanation

c: To react with urea and produce yellow color Explanation

Explanation

d: To remove protein Explanation

Explanation

3.In the detergent test, what does an intense blue color in the lower layer indicate?

a: No adulteration Explanation

Explanation

b: Presence of starch Explanation

Explanation

c: Presence of detergent Explanation

Explanation

d: High protein content Explanation

Explanation

4.What is the role of chloroform in the detergent test?

a: To sterilize milk Explanation

Explanation

b: To color milk Explanation

Explanation

c: To separate the detergent by forming layers Explanation

Explanation

d: To measure milk acidity Explanation

Explanation

5.Which of the following statements is TRUE based on the lab experiment?

a: Iodine solution turns yellow in the presence of starch Explanation

Explanation

b: DMAB reagent is used to detect starch Explanation

Explanation

c: Intensity of blue color in upper layer confirms detergent Explanation

Explanation

d: Urea cannot be detected with simple reagents Explanation

Explanation

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