Food Chemistry & Biochemistry MCQs (Quiz 7)

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

 Collagen

 Elastin

 Myosin

 Albumin

2. Cholesterol in animal cell membranes mainly helps to _______

 Digest proteins

 Store amino acids

 Maintain membrane fluidity

 Produce glucose

3. Elastin provides tissues with the ability to _______

 Transport oxygen

 Stretch and recoil

 Digest fats

 Store minerals

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

 Antagonist

 Intrinsic factor

 Antioxidant

 Co-enzyme

5. Pellagra is mainly caused by deficiency of _______

 Vitamin E

 Vitamin K

 Niacin

 Vitamin A

6. The major lipid component of biological membranes is _______

 Sterols

 Waxes

 Triglycerides

 Phospholipids

7. Tryptophan is a precursor for the synthesis of _______

 Vitamin B₃

 Vitamin D

 Vitamin C

 Folic acid

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

 Scurvy

 Rickets

 Beriberi

 Pellagra

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

 Vitamin K

 Vitamin D

 Vitamin C

 Vitamin E

10. Vitamin C is essential for the synthesis of _______

 Insulin

 Keratin

 Hemoglobin

 Collagen

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Question 1 of 10

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