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

 Co-enzyme

 Antagonist

 Antioxidant

2. Vitamin C is essential for the synthesis of _______

 Insulin

 Collagen

 Hemoglobin

 Keratin

3. Cholesterol in animal cell membranes mainly helps to _______

 Maintain membrane fluidity

 Store amino acids

 Produce glucose

 Digest proteins

4. Elastin provides tissues with the ability to _______

 Store minerals

 Digest fats

 Stretch and recoil

 Transport oxygen

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

 Myosin

 Collagen

 Albumin

 Elastin

6. The major lipid component of biological membranes is _______

 Waxes

 Phospholipids

 Sterols

 Triglycerides

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

 Vitamin K

 Vitamin E

 Vitamin C

 Vitamin D

8. Tryptophan is a precursor for the synthesis of _______

 Vitamin B₃

 Folic acid

 Vitamin C

 Vitamin D

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

 Rickets

 Beriberi

 Pellagra

 Scurvy

10. Pellagra is mainly caused by deficiency of _______

 Vitamin A

 Vitamin K

 Niacin

 Vitamin E

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Question 1 of 10

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