Compound that gives positive Fehling's solution test is : 

1. Sucrose

2. Glucose

3. Fat

4. Protein

Subtopic:  Carbohydrates - Classification & D-L configuration |
 78%
From NCERT
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Which of the following is the sweetest sugar?

1. Sucrose

2. Glucose

3. Fructose

4. Maltose

Subtopic:  Carbohydrates - Classification & D-L configuration |
 56%
From NCERT
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a-D-(+)-glucose and b-D-(+)-glucose are

1. Anomers 2. Epimers
3. Enantiomers 4. Geometrical isomers
Subtopic:  Carbohydrates - Classification & D-L configuration |
 74%
From NCERT
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The couplings between base units of DNA is through : 

1. Hydrogen bonding 2. Electrostatic bonding
3. Covalent bonding 4. Van der waal's forces
Subtopic:   DNA, RNA & Metal Ions |
 92%
From NCERT
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The segment of DNA which acts as the instrumental manual for the synthesis of the protein is 

1. nucleotide

2. ribose

3. gene

4. nucleoside

Subtopic:   DNA, RNA & Metal Ions |
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Which of the following structures represents the peptide chain ?

1. 

2. 

3. 

4. 

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 60%
From NCERT
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On hydrolysis of starch, we finally get

1. glucose

2. fructose

3. Maltose

4. Both 1 and 3

Subtopic:  Carbohydrates - Classification & D-L configuration |
 64%
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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 |
 94%
From NCERT
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During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process

Proteins Enzyme (A) Polypeptides
                Enzyme (B) Amino acids,

are respectively                

1. amylase and maltase

2. diastase and lipase

3. pepsin and trypsin

4. invertase and zymase

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 83%
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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 |
 67%
From NCERT
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