Food Tests

Question 1

What is the primary purpose of food tests in science?

Answer 1

To identify the presence of specific nutrients in food.

Question 2

Is benedicts test is used to detect reducing sugars?

Answer 2

Yes

Question 3

The reagent used in the Biuret test is what?

Answer 3

Biuret reagent

Question 4

Which test would you use to detect starch in a food sample?

Answer 4

Iodine test

Question 5

What color indicates a positive result in the Benedict’s test?

Answer 5

Red

Question 6

What is the main component detected by the Sudan III test?

Answer 6

Lipids

Question 7

Does the iodine test turn blue-black in the presence of starch.?

Answer 7

Yes

Question 8

What test can be used to show the presence of proteins?

Answer 8

Biuret

Question 9

What color change occurs in the Biuret test when proteins are present?

Answer 9

Purple

Question 10

Which of the following tests is used for testing for proteins?

Answer 10

Biuret

Question 11

What is the primary use of the Sudan III test?

Answer 11

To detect the presence of fats.

Question 12

Is a positive result in the iodine test is indicated by a yellow color?

Answer 12

No

Question 13

The Benedict’s test requires heating the sample to detect ______ sugars. Fill in the blank.

Answer 13

reducing

Question 14

What is the first step in performing a food test?

Answer 14

Prepare the food sample.

Question 15

Which nutrient is NOT tested for using the standard food tests?

Answer 15

Vitamins