Topics: Animal Nutrition, Animal Refresher

Van Soest Method — Match Fractions with Reagents/Contents

Match the Van Soest fractions with their corresponding reagents or contents:

Column A (Fraction)	Column B (Reagent / Contents)
1. Acid Detergent Fibre (ADF)	(a) Sodium Lauryl Sulphate
2. Neutral detergent	(b) CTAB
3. Acid detergent	(c) Cellulose, lignin, silica
4. Acid Detergent Soluble (ADS)	(d) Hemicellulose

1-c, 2-a, 3-b, 4-d
1-c, 2-b, 3-a, 4-d
1-d, 2-a, 3-b, 4-c
1-c, 2-a, 3-d, 4-b

Van Soest Method — Match Fractions with Reagents/Contents

Match the Van Soest fractions with their corresponding reagents or contents:

Column A (Fraction)	Column B (Reagent / Contents)
1. Acid Detergent Fibre (ADF)	(a) Sodium Lauryl Sulphate
2. Neutral detergent	(b) CTAB
3. Acid detergent	(c) Cellulose, lignin, silica
4. Acid Detergent Soluble (ADS)	(d) Hemicellulose

Options

1-c, 2-a, 3-b, 4-d ✓
1-c, 2-b, 3-a, 4-d
1-d, 2-a, 3-b, 4-c
1-c, 2-a, 3-d, 4-b

Correct Answer: A

Explanation in English

Correct Answer: 1-c, 2-a, 3-b, 4-d

Fraction	Reagent

Fraction	Reagent Used	Contents
ADF	CTAB in 1N H₂SO₄	Cellulose, lignin, silica
Neutral detergent	Sodium Lauryl Sulphate (SDS) at pH 7	Produces NDF + NDS
Acid detergent	CTAB	Produces ADF + ADS
ADS	—	Hemicellulose (NDF − ADF)

📚 About this Topic — Animal Nutrition

This multiple choice question is from Animal Nutrition, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Nutrition to strengthen your preparation.

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