Food Chemistry & Biochemistry MCQs (Quiz 3)

1. Sterols such as cholesterol are important for _______

 Protein digestion

 Membrane structure and hormone synthesis

 Carbohydrate storage

 DNA replication

2. The primary storage form of lipids in the human body is _______

 Phospholipids

 Waxes

 Sterols

 Triglycerides

3. The principal protein in cow’s milk is _______

 Casein

 Albumin

 Keratin

 Globulin

4. Waxes mainly function to _______

 Store genetic material

 Catalyze reactions

 Provide quick energy

 Reduce water loss and provide protection

5. The main function of lipoproteins is to _______

 Store vitamins

 Synthesize glucose

 Digest proteins

 Transport lipids in the blood

6. Denaturation of proteins may occur due to _______

 Low oxygen only

 Carbohydrate synthesis

 Heat or extreme pH

 Neutral pH only

7. HDL (High-Density Lipoprotein) is commonly known as _______

 Good cholesterol

 Storage cholesterol

 Plant sterol

 Bad cholesterol

8. Essential amino acids must be _______

 Synthesized in liver

 Produced during digestion

 Obtained from diet

 Stored in adipose tissue

9. The primary storage form of lipids in animals (including humans) is _______

 Phospholipids

 Triglycerides

 Waxes

 Sterols

10. Saturated fatty acids are characterized by _______

 Presence of double bonds

 Presence of triple bonds

 Absence of double bonds

 Presence of peptide bonds

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Question 1 of 10

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