Biomolecules Test

Biomolecules

This is Biomolecules Test-01 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The oils have
  • A
    High melting point
  • B
    Low melting point
    Correct
  • C
    No melting point
  • D
    Optimum melting point
2
The diagram represent
Question 2 figure 1
  • A
    Nucleotide
  • B
    Nitrogen base
    Correct
  • C
    Nucleoside
  • D
    Lipids
3
Arachidonic acid has
  • A
    1 carbon atom
  • B
    20 carbon atoms
    Correct
  • C
    16 carbon atoms
  • D
    19 carbon atoms
4
Which of the following are aromatic amino acids?
  • A
    Phenylalanine, tryptophan
    Correct
  • B
    Lysine, valine
  • C
    Serine, glutamic acid
  • D
    Alanine, glycine
5
Which is the neutral amino acid?
  • A
    Lysine
  • B
    Tyrosine
  • C
    Tryptophan
  • D
    Valine
    Correct
6
Lipids that are found in the cell membrane are
  • A
    Triglycerides
  • B
    Diglycerides
  • C
    Phospholipids
    Correct
  • D
    Simple lipids
7
Chitin occurs in cell wall of
  • A
    Algae
  • B
    Fungi
    Correct
  • C
    Yeast
  • D
    Bacteria
8
Which of the following is not obtained on hydrolysis of nucleic acid?
  • A
    Pentose sugar
  • B
    Phosphoric acid
    Correct
  • C
    Pyrimidine
  • D
    Purine
9
No cell could live without
  • A
    Protein
  • B
    Phytochrome
  • C
    Enzyme
    Correct
  • D
    Chloroplast
10
The most abundant organic molecule present on earth is
  • A
    Cellulose
    Correct
  • B
    Steroids
  • C
    Protein
  • D
    Lipid
11
98% of living body is formed of six elements- C, H,N,O and
  • A
    Ca and P
  • B
    S and Mg
  • C
    P and S
    Correct
  • D
    Mg and Na
12
Element located in centre of pophyrin ring of chlorophyll is
  • A
    Mn
  • B
    K
  • C
    Ca
  • D
    Mg
    Correct
13
What should be TDS of \(C{a^{ + + }}\) and \(M{g^{ + + }}\) in soft water?
  • A
    Up to 150 ppm
  • B
    Up to120 ppm
    Correct
  • C
    Up to 800 ppm
  • D
    Up to 200 ppm
14
Identify the incorrect pair in the following
  • A
    Glucose- Storage product
    Correct
  • B
    Steroids- Sex hormones
  • C
    RNA- Protein synthesis
  • D
    Haemoglobin- Transport of gases
15
Most abundant mineral in body fluids are
  • A
    \(N{a^ + }\) and \(C{l^ - }\)
    Correct
  • B
    \(C{a^{2 + }}\) and \({O^{2 - }}\)
  • C
    \(M{g^{2 + }}\) and \({I^ - }\)
  • D
    \(N{a^ + }\) and \(M{g^{2 + }}\)