Match Amino acids in COLUMN I with their non-protein functions [precursors of] in COLUMN II and select the correct answer from the codes given:

	COLUMN I		COLUMN II
A.	Tryptophan	P.	Serotonin
B.	Tyrosine	Q.	Catecholamines
C.	Arginine	R.	Nitric oxide
D.	Glycine	S.	Porphyrins

Codes
    A B C D
1. P Q R S
2. Q P S R
3. P Q S R
4. S R Q P

Consider the given two statements:

I. Consumption of trans fatty acids increases the risk of coronary artery disease.
II. Partial hydrogenation of the unsaturated fat converts some of the cis double bonds into trans double bonds.

1. Both I and II are correct and II explains I
2. Both I and are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

Proteins within the cytoplasm of a cell that assist a newly synthesised polypeptide to attain its native state are called as:
1. Ubiquitin
2. Prions
3. Chaperones
4. Calmodulin

Taxol, an anti-cancer drug, belongs to which class of the secondary metabolites found in plants?
1. Phenolics
2. Glycosides
3. Saponins
4. Terpenes

Consider the given two statements:

I. Agar is used to provide a growth medium for bacteria and fungi culture.
II. Agar is indigestible for many organisms.

1. Both I and II are correct and II explains I
2. Both I and are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

Consider the given two statements:

I. The peptide bond is a very stable bond and has a partial double bond character.
II. Significant delocalisation of the lone pair of electrons on the nitrogen atom gives the group a partial double bond character.

1. Both I and II are correct and II explains I
2. Both I and are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

The most important zoosterol is:
1. Ergosterol
2. Campesterol
3. Cholesterol
4. Sitosterol

β amyloid peptides are associated with the pathology of:
1. CJD
2. Alzheimer’s disease
3. Parkinson’s disease
4. Huntington’s disease

Consider the given two statements:

I. Absence of secondary metabolites does not result in immediate death, but rather in a long-term impairment of the organism's survivability.
II. Secondary metabolites often play an important role in plant defense against herbivory and other interspecies defenses.

1. Both I and II are correct and II explains I
2. Both I and are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

Consider the given two statements:

I. Sucrose is a non-reducing sugar.
II. Sucrose is a disaccharide.

1. Both I and II are correct and II explains I
2. Both I and are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect