The correct corresponding order of names of four aldoses with configuration given below respectively, is

 

1.  L-erythrose, L-threose, L-erythrose, D-threose

2.  D-threose, D-erythrose, L-threose, L-erythrose

3.  L-erythrose, L-threose, D-erythrose, D-threose

4.  D-erythrose, D-threose, L-erythrose, L-threose

The difference between amylose and amylopectin is

1. Amylopectin have $1\to 4\mathrm{\alpha }$ - linkage and $1\to 6\mathrm{\alpha }$ - linkage

2. Amylose have $1\to 4\mathrm{\alpha }$- linkage and $1\to 6\mathrm{\beta }$ - linkage

3. Amylopectin have $1\to 4\mathrm{\alpha }$ - linkage and $1\to 6\mathrm{\beta }$ - linkage

4. Amylose is made up of glucose and galactose

Which one of the following compounds will form an osazone derivative ?
1. CH₃CH₂COCH₂OH
2. CH₃COCH₂CH₂OH
3. CH₃CH₂CHOHCH₂OH
4. CH₃CH₂COCH₂OCH₃

How many moles of HIO₄ is required to break down the following molecule?

1. 1

2. 2

3. 3

4. 4

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

1. 5

2. 4

3. 3

4. 2

Glucose and Mannose are

1. C₁ epimers

2. Anomers

3. C₂ epimers

4. C₄ epimers

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

1. Isomers

2. Anomers

3. Epimers

4. Enantiomers

Glucose molecule reacts with 'X' number of molecules of phenyl hydrazine to yield osazone. The value of 'X' is

1. four

2. one

3. two

4. three

Which of the following is the correct statement?

On hydrolysis of starch, we finally get

1. Glucose

2. Fructose

3. Maltose

4. Both 1 and 3