Biomolecules Test

Biomolecules

This is biomolecules Test-01 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Carbohydrateswhich taste sweet are called
  • A
    aldehydes and ketones
  • B
    Sugars
  • C
    Saccharides
  • D
    Saccharides and Sugars
    Correct
2
The following molecule is called as
Question 2 figure 1
  • A
    carbohydrate
    Correct
  • B
    Protein
  • C
    Vitamin
  • D
    Lipid
3
The following compound can be called as
Question 3 figure 1
  • A
    L(+) – glucose
  • B
    D ( – ) – glucose
  • C
    L ( – ) – glucose
  • D
    D(+) – glucose
    Correct
4
The spatial arrangement of the molecule is denoted by
Question 4 figure 1
  • A
    L –
  • B
    D or L sign before the molecule
    Correct
  • C
    + or – sign before the molecule
  • D
    D+
5
Choose the appropriate answer(s) for the below representation from the options given
Question 5 figure 1
  • A
    dextro and levo rotatory molecules
  • B
    stereo isomers
  • C
    All of these
    Correct
  • D
    Enantiomers
6
The number of asymmetric carbon atom(s) in below figure is are
Question 6 figure 1
  • A
    1
    Correct
  • B
    1 and 3 carbon atoms
  • C
    3
  • D
    2
7
The most abundant organic compound on earth
  • A
    Starch
  • B
    Glucose
    Correct
  • C
    None of these
  • D
    Cellulose
8
The polymer(s) of dextrose is
  • A
    Starch
  • B
    Glucose
  • C
    Cellulose
  • D
    Cellulose and Starch,
    Correct
9
Oxime is formed by treating glucose with
  • A
    Water
  • B
    hydroxylamine
    Correct
  • C
    nitric acid,
  • D
    bromine water
10
Acetylation of glucose yields
  • A
    p – toluenesulphonyl chloride
  • B
    glucose pentaacetate
    Correct
  • C
    N Methylbenzamide
  • D
    None of these
11
hydrolysis of starchyields
  • A
    fructose,
  • B
    Glucose
    Correct
  • C
    gluconic acid
  • D
    sucrose
12
Glucose does not give Schiff’s test because of the formation of cyclic
  • A
    α – D – (+) – Glucose
  • B
    None of these
  • C
    forms of α – and β – D – (+) – Glucose
    Correct
  • D
    β – D – (+) – Glucose
13
The cyclic form of fructose is called
  • A
    pyranose
  • B
    pyran
  • C
    furanose
    Correct
  • D
    Furan
14
Glycosidiclinkage:is found between
  • A
    between two disaccharide units
  • B
    None of these
  • C
    between two monosaccharide units
    Correct
  • D
    between two polysaccharide units
15
Honey belongs to one of the following category
  • A
    fat
  • B
    Protein
  • C
    carbohydrate
    Correct
  • D
    lipid