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Question (11)

QN005252

Which translucent paper is commonly used in the fat test?

(A) Butter paper
(B) Brown paper
(C) Chart paper
(D) Newspaper

Correct Answer: B

Explanation:

Brown paper is used to test fats.

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Question (12)

QN005253

A permanent translucent spot on paper indicates the presence of:

(A) Protein
(B) Starch
(C) Fat
(D) Vitamin C

Correct Answer: C

Explanation:

Fats leave translucent greasy spots.

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Question (13)

QN005254

Which food item is most likely to leave a translucent patch on paper?

(A) Butter
(B) Rice
(C) Sugar
(D) Salt

Correct Answer: A

Explanation:

Butter contains fat.

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Question (14)

QN005255

Why is the paper spot observed after some time in the fat test?

(A) To allow water to evaporate
(B) To cool the paper
(C) To increase starch content
(D) To absorb protein

Correct Answer: A

Explanation:

Water evaporates while the greasy fat mark remains.

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Question (15)

QN005256

A student rubs groundnut on brown paper and finds a translucent patch. The conclusion is that groundnut contains:

(A) Starch
(B) Fat
(C) Water only
(D) Protein only

Correct Answer: B

Explanation:

Groundnut is rich in fats.

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Question (16)

QN005257

Which of the following is least likely to leave a translucent patch?

(A) Ghee
(B) Oil
(C) Butter
(D) Sugar

Correct Answer: D

Explanation:

Sugar does not contain fat.

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Question (17)

QN005258

The fat test is based on the property that fats:

(A) Change iodine colour
(B) Leave greasy translucent marks
(C) Dissolve starch
(D) Produce bubbles

Correct Answer: B

Explanation:

Fats leave translucent patches on paper.

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Question (18)

QN005259

Which observation confirms the absence of fat in a food sample?

(A) Blue-black colour appears
(B) Translucent patch remains
(C) No translucent patch remains after drying
(D) Yellow colour develops

Correct Answer: C

Explanation:

No translucent patch indicates absence of fat.

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Question (19)

QN005260

A student compares butter and potato using the paper test. Which sample is more likely to show a translucent patch?

(A) Potato
(B) Butter
(C) Both equally
(D) Neither

Correct Answer: B

Explanation:

Butter contains more fat.

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Question (20)

QN005261

Which nutrient is tested using copper sulphate and caustic soda solution?

(A) Fat
(B) Protein
(C) Starch
(D) Vitamin D

Correct Answer: B

Explanation:

These reagents are used in the protein test.

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Question (11)

Which translucent paper is commonly used in the fat test?

Explanation:

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Question (12)

A permanent translucent spot on paper indicates the presence of:

Explanation:

Link:

Question (13)

Which food item is most likely to leave a translucent patch on paper?

Explanation:

Link:

Question (14)

Why is the paper spot observed after some time in the fat test?

Explanation:

Link:

Question (15)

A student rubs groundnut on brown paper and finds a translucent patch. The conclusion is that groundnut contains:

Explanation:

Link:

Question (16)

Which of the following is least likely to leave a translucent patch?

Explanation:

Link:

Question (17)

The fat test is based on the property that fats:

Explanation:

Link:

Question (18)

Which observation confirms the absence of fat in a food sample?

Explanation:

Link:

Question (19)

A student compares butter and potato using the paper test. Which sample is more likely to show a translucent patch?

Explanation:

Link:

Question (20)

Which nutrient is tested using copper sulphate and caustic soda solution?

Explanation:

Link:

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