When glucose is reacted with phenyl hydrazine then osazone is formed. In this reaction how many phenyl hydrazine molecules are used ?

1.  1

2.  2

3.  3

4.  4

The two forms of glucopyranose obtained from solution of D-glucose are called

1. Isomers

2. Anomers

3. Epimers

4. Enantiomers

Sucrose on treatment with conc. HCl produces:-

(1) Glucose

(2) Fructose

(3) Glucose + Fructose

(4) Maltose

Which type of amino acid is lysine ?

1. b - amino acid

2. Acidic

3. Basic

4. Neutral

Mixture of glucose and water can be separated by:-

1. Distillation

2. Crystallisation

3. Sublimation

4. All of the above

Glucose and Mannose are

1. C₁ epimers

2. Anomers

3. C₂ epimers

4. C₄ epimers

Number of Chiral carbon atoms in cyclic b-D(+)-glucose is

1. 5

2. 4

3. 3

4. 2

The structure of glycine (amino acid) is ${\mathrm{H}}_3\stackrel{\oplus }{\mathrm{N}}{\mathrm{CH}}_3\stackrel{\mathrm{O}}{\stackrel{\left|\right|}{\mathrm{C}}}{\mathrm{O}}^{⊝}$(zwitter ion). The correct statement among the following is-

1. Glycine, as well as other amino acids are amphoteric.

2. The acidic functional group in amino acids is $-\stackrel{\oplus }{\mathrm{N}}{\mathrm{H}}_3$

3. The basic functional group in acids is $-{\mathrm{CO}}_2^{⊝}$

4. All the statements are correct.

Among the following  non-reducing sugar is : 

(1) Glucose

(2) Fructose

(3) Sucrose

(4) Galactose

The above process in which a and b form remain in equilibrium with acyclic form and a change in optical rotation is observed which is called as–

(1) Mutarotation

(2) Epimerisation

(3) Condensation

(4) Inversion