Most common element present in human body is:

1.	Oxygen	2.	Carbon
3.	Hydrogen	4.	Sulfur

Which of the following is not an aromatic amino acid?

Formation of glycosidic bond represents:

When we homogenize any tissues in an acid the acid soluble pool represents

The metal ion that acts as a co-factor for both alcohol dehydrogenase and carbonic anhydrase is:

The living state can be best described as a:
1. non equilibrium steady state
2. non equilibrium non steady state
3. equilibrium non steady state
4. equilibrium steady state

Consider the following two statements regarding enzyme action:

Of the above statements:
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct

An alpha helix is a:
1. primary structure of a protein
2. secondary structure of a protein
3. tertiary structure of a protein
4. quaternary structure of a protein

The inhibition of succinic dehydrogenase by malonate is an example of:
1. Non-competitive reversible inhibition
2. Non-competitive irreversible inhibition
3. Competitive inhibition
4. Allosteric inhibition

Consider the following enzymes:
I. Catalase
II. Peroxidase
III. Carboxypeptidase
Which of these enzymes require haem as a co-factor for their activity?