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

Consider the given two statements:
I. The rate determining step for an enzyme-substrate reaction is always the second step in which [ES] is converted into the product.
II. Once the enzyme performs its duty, it is free to do more work.

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

An enzyme catalyzed reaction has a △G of -30 Kcal/mol. The amount of enzyme is doubled. What will be the △G for the new reaction?
1. -60 kcal/mol
2. -30 kcal/mol
3. +30 kcal/mol
4. +60 kcal/mol

If you compare the Km values for the enzymes that remove glucose from the blood in liver and brain, you expect that:
1. the value will be higher for the enzyme found in brain
2. the value will be exactly ten times lower for the enzyme found in liver
3. the values for two enzymes will be same
4. the value will be lower for the enzyme found in brain

Which of the following pairs of amino acids is only ketogenic and not glucogenic?
1. Leucine and Lysine
2. Tyrosine and Tryptophan
3. Glutamic acid and Aspartic acid
4. Alanine and Arginine

In the given diagram showing the tertiary structure of a protein, the disulfide bond is shown by the letter:

1. A
2. B
3. C
4. D