Find the wrong statement 

1. Living state is non-equilibrium steady state to be able to perform work

2. There is no uncatalysed metabolic conversion in living systems

3. Tertiary structure is absolutely necessary for the many biological activities of proteins

4. Cellulose contain complex helices where it can hold iodine

 

The molecule that provides stability to cell membrane is

Which of the following represents uridylic acid?

1. Uracil + Ribose

2. Uridine + Phosphoric acid

3. Uracil + Phosphoric acid

4. Uridine + Ribose + Phosphoric acid

Carotenoids and anthocyanin pigments are examples of

1. Primary metabolites

2. Secondary metabolites

3. Protein

4. Sugar

Which element is present negligible in human body?

1. O

2. C

3. H

4. Si

The molecule represented is :-

1. uridine and it is pyrimidine

2. uridylic acid and it is nucleoside

3. uridylic acid and it is nucleotide

4. uridine and it is nucleoside

Backbone of DNA is formed by :-

1. Sugar $-$ Phosphate $-$ Sugar

2. Nitrogen base $-$ Phosphate $-$ Sugar

3. Phosphate $-$ Nitrogen base $-$ Sugar

4. Base pairs

Substances having identifiable function & play known role in normal physiological functions of a cell are called as :-

1. Primary metabolites

2. Secondary metabolites

3. Metabolites

4. Biomolecules 

Which of the following statements is not correct ?

(1) Carbonic anhydrase enzyme accelerate the rate of reaction $C{O}_2$ $+$ $H_{2}C{O}_3$ $by$ ${10}^7$ times 

(2) Functional aspect of enzymes is related to the tertiary structure of proteins

(3) Enzymes are composed of only one amino acid molecule

(4) Low temperature not cause the denaturtion but inactivate the enzyme 

In a polysaccharide chain the individual monosaccharides are linked by which bond:-

1. Peptide bond

2. Glycosidic bond

3. Ester bond

4. Hydrogen bond