Phospholipids are esters of glycerol with
1. one carboxylic acid residue and two phosphate groups
2. three phosphate groups
3. three carboxylic acid residues
4. two carboxylic acid residues and one phosphate groups
Difficulty Level:
Which one of the following gives positive Fehling's solution test ?
1. Sucrose
2. Glucose
3. Fats
4. Protein
Difficulty Level:
Which of the following is the sweetest sugar?
1. Sucrose
2. Glucose
3. Fructose
4. Maltose
Difficulty Level:
a-D-(+)-glucose and b-D-(+)-glucose are
1. anomers
2. epimers
3. enantiomers
4. geometrical isomers
Difficulty Level:
The couplings between base units of DNA is through
1. hydrogen bonding
2. electrostatic bonding
3. covalent bonding
4. van der waal's forces
Difficulty Level:
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
Difficulty Level:
Which of the following structures represents the peptide chain ?
1.
2.
3.
4.
Difficulty Level:
On hydrolysis of starch, we finally get
1. glucose
2. fructose
3. Maltose
4. Both 1 and 3
Difficulty Level:
Which of the following is corect about H-bonding in nucleotides ?
1. A-T, G-C
2. A-G, T-C
3. G-T, A-C
4. A-A, T-T
Difficulty Level:
During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process
are respectively
1. amylase and maltase
2. diastase and lipase
3. pepsin and trypsin
4. invertase and zymase
Difficulty Level: