Biomolecule

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published on June 11, 20203 responses 0
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1/5

Which one of the following does not exhibit the phenomenon of mutarotation ?

1. (+) Sucrose

2. (+) Lactose

3. (+) Maltose

4. (-) Fructose

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2/5

Which one of the following statements is not true regarding (+) lactose?

1. (+) lactose is a
β
-glycoside and a molecule of D(+) galactose

2. (+) lactose is a reducing sugar and does not exhibit mutarotation

3. (+) lactose,
C
12
H
22
O
11
contains 8-0 H groups

4. On hydrolysis (+) lactose gives equal amount of D(+) glucose and D(+) galactose

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3/5

Which one given below is a non-reducing sugar?
1. Lactose
2. Glucose
3. Sucrose
4. Maltose

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4/5

The difference between amylose and amylopectin is

1. Amylopectin have
1

4
α
- linkage and
1

6
α
- linkage

2. Amylose have
1

4
α
- linkage and
1

6
β
- linkage

3. Amylopectin have
1

4
α
- linkage and
1

6
β
- linkage

4. Amylose is made up of glucose and galactose

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5/5

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

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