Food Chemistry & Biochemistry MCQs (Quiz 7)

1. Which of the following is the primary physiological role of Vitamin C (ascorbic acid) in the human body _______

 Intrinsic factor

 Antagonist

 Co-enzyme

 Antioxidant

2. Cholesterol in animal cell membranes mainly helps to _______

 Maintain membrane fluidity

 Produce glucose

 Store amino acids

 Digest proteins

3. Vitamin C is essential for the synthesis of _______

 Keratin

 Collagen

 Hemoglobin

 Insulin

4. Elastin provides tissues with the ability to _______

 Store minerals

 Transport oxygen

 Stretch and recoil

 Digest fats

5. Pellagra is mainly caused by deficiency of _______

 Niacin

 Vitamin K

 Vitamin A

 Vitamin E

6. Tryptophan is a precursor for the synthesis of _______

 Vitamin B₃

 Vitamin C

 Folic acid

 Vitamin D

7. Rickets in children is mainly associated with deficiency of _______

 Vitamin K

 Vitamin C

 Vitamin E

 Vitamin D

8. The major lipid component of biological membranes is _______

 Phospholipids

 Sterols

 Waxes

 Triglycerides

9. The fibrous protein mainly responsible for muscle contraction is _______

 Elastin

 Myosin

 Collagen

 Albumin

10. Deficiency of vitamin C (ascorbic acid) most directly leads to which of the following diseases _______

 Rickets

 Beriberi

 Pellagra

 Scurvy

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Question 1 of 10

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