Free CNS Nutritional Biochemistry & Physiology Questions and Answers

Question 1

Which vitamin is essential for collagen synthesis and wound healing?

Accepted Answer

Vitamin C

Answer

Vitamin A

Answer

Vitamin D

Answer

Vitamin K

Question 2

What is the primary function of the enzyme amylase in digestion?

Accepted Answer

Breaks down starch into maltose

Answer

Breaks down proteins

Answer

Emulsifies fats

Answer

Absorbs nutrients in the intestines

Question 3

Which macronutrient is primarily metabolized through beta-oxidation?

Accepted Answer

Lipids

Answer

Carbohydrates

Answer

Proteins

Answer

Nucleic acids

Question 4

What hormone regulates calcium levels in the blood by increasing calcium absorption in the intestines?

Accepted Answer

Calcitriol

Answer

Parathyroid hormone

Answer

Calcitonin

Answer

Insulin

Question 5

Which amino acid is considered essential and must be obtained from the diet?

Accepted Answer

Leucine

Answer

Glutamine

Answer

Tyrosine

Answer

Alanine

Question 6

Which vitamin acts as a coenzyme in the metabolism of carbohydrates and amino acids?

Accepted Answer

Vitamin B1 (Thiamine)

Answer

Vitamin B12 (Cobalamin)

Answer

Vitamin E

Answer

Vitamin K

Question 7

What is the main role of insulin in nutrient metabolism?

Accepted Answer

Promotes glucose uptake and glycogen synthesis

Answer

Stimulates glucose production

Answer

Breaks down fats

Answer

Inhibits protein synthesis

Question 8

Which mineral is crucial for oxygen transport in the blood?

Accepted Answer

Iron

Answer

Zinc

Answer

Magnesium

Answer

Calcium

Question 9

Which process describes the synthesis of glucose from non-carbohydrate sources?

Accepted Answer

Gluconeogenesis

Answer

Glycolysis

Answer

Glycogenolysis

Answer

Lipolysis