On hydrolysis of starch, we finally get

1. glucose

2. fructose

3. Maltose

4. Both 1 and 3

Subtopic:  Carbohydrates - Classification & D-L configuration |
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The correct option about the presence of  H-bond in nucleotides is: 

1. A-T, G-C

2. A-G, T-C

3. G-T, A-C

4. A-A, T-T

Subtopic:   DNA, RNA & Metal Ions |
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The helical structure of proteins is established by

1. dipeptide bonds

2. hydrogen bonds

3. ether bonds

4. peptide bonds

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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The a-D-glucose and b-D-glucose differ from each other due to difference in carbon atom with respect to its

1. conformation

2. configuration

3. number of OH-groups

4. size of hemiacetal ring

Subtopic:  Carbohydrates - Classification & D-L configuration |
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Glycolysis is

1. oxidation of glucose to pyruvate

2. conversion of glucose to haem

3. oxidation of glucose to glutamate

4. conversion of pyruvate to citrate

Subtopic:  Carbohydrates - Classification & D-L configuration |
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Sucrose in water is dextrorotatory, αD=+66.4° when boiled with dil.HCl, the solution becomes leavorotatory, αD=-39.9°. In this process the sucrose breaks into

1. L-glucose + D-fructose

2. L-glucose + L-fructose

3. D-glucose + D-fructose

4. D-glucose + L-fructose

Subtopic:  Polysaccharides & their Importance |
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Which is not a true statement?

1. a-carbon of a-amino acid is asymmetric except glycine

2. All proteins are found in L-form

3. Human body can synthesis ll proteins they need

4. At pH = 7 both amino and carboxylic groups exist in ionised form

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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Which of the following is correct statement ?

1. Starch is a polymer of a-glucose

2. Amylose is a component of celulose

3. Proteins are composed of only one type of amino acid

4. In cyclic structure of fructose, there are 6 carbons and one oxygen atom

Subtopic:  Carbohydrates - Classification & D-L configuration |
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Glucose molecule reacts with 'X' number of molecules of phenylhydrazine to yield

osazone. The value of 'X' is

1. four

2. one

3. two

4. three

Subtopic:  Carbohydrates - Classification & D-L configuration |
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The number of molecules of ATP produced in the lipid metabolism of a molecule of

palmitic acid is

1. 130

2. 36

3. 56

4. 86

Subtopic:   DNA, RNA & Metal Ions |
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