Biomolecules Test

Biomolecules

This is Biomolecules Test-02 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which of the following metabolites are incorrect pairs?
  • A
    Essential oils -Lemon grass oil
  • B
    Alkaloids- Morphine
  • C
    Pigments- Carotenoids
  • D
    Drugs-Ricin,
    Correct
2
Number of fatty acid residues found in one molecules of fat is
  • A
    1
  • B
    4
  • C
    3
    Correct
  • D
    2
3
In most fungi the structural polysaccharide of cell wall is ------
  • A
    Steroids
  • B
    Cellulose
  • C
    Chitin
    Correct
  • D
    All of the these
4
Which of the following nitrogenous base produces nucleoside only with ribose sugar?
  • A
    Thymine
  • B
    Guanine
  • C
    Uracil
    Correct
  • D
    Adenine
5
The plant cell wall are made up of
  • A
    Glycogen Bacteria
  • B
    Cellulose
    Correct
  • C
    Inulin
  • D
    Starch
6
The nucleotide chemical components are
  • A
    Sugar and Phosphate
  • B
    Phosphate and heterocyclic compounds
  • C
    Heterocyclic compounds, sugar and phosphate
    Correct
  • D
    Heterocyclic compounds and sugar
7
Which of the following carries the hereditary information from parents to progeny?
  • A
    Nucleic acids
    Correct
  • B
    Nucleoside
  • C
    Proteins
  • D
    Nucleotides
8
Identify the correct pairing between nitrogen bases in DNA.
  • A
    G+C/A+T
    Correct
  • B
    A+C/T+G
  • C
    A+G/C+T
  • D
    T+C/G+A
9
A polysaccharide present as storehouse of energy of plant tissues
  • A
    Starch
    Correct
  • B
    Hemi cellulose
  • C
    Chitin
  • D
    Cellulose
10
Which is the most abundant chemical for the living organisms?
  • A
    Proteins
  • B
    Lipids
  • C
    Water
    Correct
  • D
    Ions
11
Which of the following statements are not correct?
  • A
    The back bone is formed by sugar phosphate molecule.
  • B
    The nucleic acid consists of ribose.
    Correct
  • C
    In DNA two strands are run in opposite direction.
  • D
    The purines and pyrimidines are paired with hydrogen bonds.
12
The nucleic acids that behave like enzymes are called as
  • A
    Isomerases
  • B
    Lysases
  • C
    Ligases
  • D
    Ribozymes
    Correct
13
Nucleic acids are serve as
  • A
    Energy
  • B
    Genetic material
    Correct
  • C
    Cellular functions
  • D
    Building blocks of cell
14
The exoskeleton of arthropods have
  • A
    Fructose
  • B
    Cellulose
  • C
    Chitin
    Correct
  • D
    Gluctose
15
DNA differ from RNA in having
  • A
    Thymine
    Correct
  • B
    Guanine
  • C
    Adenine
  • D
    Uracil