Which element is present negligible in human body?

1. O

2. C

3. H

4. Si

Identify two amino acids that contain sulphur:

1. Asparagine and Glutamine

2. Lysine and arginine

3. Proline and hydroxyproline

4. Cysteine and methionine

_______________ are organic compounds that are not directly involved in the normal growth, development, or reproduction of organisms.

(1) essential metabolites

(2) primary metabolites

(3) secondary metabolites

(4) endogenous metabolites

Identify the correct statement regarding the structure of a molecule shown in the given diagram:
   

I. It is an alpha amino acid
II. The configuration shown is called zwitterion
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II

The molecule shown in the given diagram:

I. is a lipid.
II. is biosynthesized from acetyl coA.
III. is a precursor of steroid hormones in animals.
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct

An aromatic amino acid which is not an essential amino acid is the precursor of catecholamines [adrenaline/noradrenaline/dopamine] and also involved in the synthesis of iodothyronines is:
1. Tryptophan
2. Threonine
3. Phenylalanine
4. Tyrosine

What would be true for the structure of a biomolecule shown below?

1. It shows the primary structure of a polypeptide where A is the C-terminus; B is the peptide bond and C is the N-terminus.
2. It shows the secondary structure of a polypeptide where A is the C-terminus; B is the peptide bond and C is the N-terminus.
3. It shows the primary structure of a polypeptide where A is the N-terminus; B is the peptide bond and C is the C-terminus.
4. It shows the secondary structure of a polypeptide where A is the C-terminus; B is the N-glycosidic bond andzC is the N-terminus.

Consider the given two statements:
I. The living state and metabolism are synonymous.
II. Living state is a non-equilibrium steady-state to be able to perform work.
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. Both I and II are incorrect

What is incorrect regarding the double helix model of DNA given by Watson and Crick?

Identify the incorrect statement:
1. The protein portion of enzymes is called as a holoenzyme
2. Haem is the prosthetic group in peroxidase and catalase
3. Co-enzymes are organic compounds that have a transient association with the protein part of the enzyme
4. Catalytic activity is lost when the co-factor is removed from the enzyme