Biomolecules Test

Biomolecules

This is biomolecules Test-03 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The following structure of protein is called
Question 1 figure 1
  • A
    Tertiarystructure
    Correct
  • B
    primary structure
  • C
    Secondary structure
  • D
    quaternary structure.
2
The sugar constituent of DNA is.
  • A
    D – glucose
  • B
    D – ribose
  • C
    D – lactose
  • D
    D – 2 – deoxy ribose
    Correct
3
Which of the following amines can be resolved into enantiomers?
  • A
    4 – (dimethylamino) pyridine
  • B
    3 – pentanamine
  • C
    2 – pentanamine
    Correct
  • D
    Trimethylamine
4
The enzyme which catalyses the hydrolysis of fats into fatty acids and glycerol is.
  • A
    Zymase
  • B
    Peptidase
  • C
    Urease
  • D
    Lipase
    Correct
5
Adenosine is.
  • A
    Nucleotide
  • B
    Nucleoside
    Correct
  • C
    Nuclic acid
  • D
    None of these
6
ATP is
  • A
    Cytosine
  • B
    Adrnosine
  • C
    Nucleotide
    Correct
  • D
    Nucleoside
7
RNA guides the biosynthesis of
  • A
    Cellulose
  • B
    Starch
  • C
    Proteins
    Correct
  • D
    Fats
8
Phospholipid is.
  • A
    An important source of energy
  • B
    Ester of glycerol with phosphoric acid
    Correct
  • C
    Have the same formulas as waxes
  • D
    Act as material for proteins
9
Bees – wax is.
  • A
    Myricyloleate
  • B
    Myricyl acetate
  • C
    Myricylpaimitate
    Correct
  • D
    Glyceryl stearate
10
Nucleotides are joined together by
  • A
    glycosidic linkage
  • B
    disulphide linkage
  • C
    peptide linkage
  • D
    phosphodiester linkage
    Correct
11
Two nucleic acid chains are wound about each other and held together by hydrogen bonds between pairs of bases is called
  • A
    secondary structure of RNA,
  • B
    secondary structure of DNA,
  • C
    double strand helix of DNA
  • D
    secondary structure of DNA and secondary structure of RNA
    Correct
12
Which one is not the essential amino acid in the ones given below?
  • A
    Proline
  • B
    Valine
  • C
    Leucine
    Correct
  • D
    Arginine
13
The carbohydrate which cannot be hydrolysed in human digestive system is.
  • A
    Cellulose
    Correct
  • B
    Lactose
  • C
    Maltose
  • D
    Starch
14
An example of antibody is
  • A
    Haemoglobin
  • B
    Nucleoprotein
  • C
    Egg albumin
  • D
    Gamma globulin
    Correct
15
The carrier of hereditary character is.
  • A
    Nucleosides
  • B
    Lipids
  • C
    Cytochromes
  • D
    Nucleotides
    Correct