The disease caused by deficiency of vitamin B₁ is:

Which of the following is not a fat-soluble vitamin?

1. Vitamin A 

2. Vitamin B complex

3. Vitamin D 

4. Vitamin E

Which of the following hormones contains iodine?

1. Insulin

2. Testosterone

3. Adrenaline

4. Thyroxine

Which one of the following vitamins is water-soluble?

During the process of digestion, the proteins present in food materials are
hydrolysed to amino acids as shown below.

Proteins  \(\xrightarrow[]{\textbf{Enzyme(A)}}\mathrm{}\) Polypeptides  \(\xrightarrow[]{\textbf{Enzyme(B)}}\mathrm{}\)  Amino acids
 
Enzymes (A) and (B)  are respectively:
 

Which one of the following is a peptide hormone?

1. Glucagon

2. Testosterone

3. Thyroxin

4. Adernaline

Which hormone facilitates the conversion of glucose to glycogen?

1. Bile acids

2. Adrenaline

3. Insulin

4. Cortisone 

Which of the following enzymes catalyses the hydrolysis of triglycerides into fatty acids and glycerol?

1. Lipase

2. Zymase

3. Pepsin

4. Maltase

Enzymes are composed of which of the following?

1. Edible proteins.

2. Proteins with specific structures.

3. Nitrogen-containing carbohydrates.

4. Carbohydrates.