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Biology

BIOLOGICAL MOLECULES MCQs

Total Questions : 169

Page 1 of 17 pages
Question 1. Most abundant compound also known as medium of life is
  1.    air
  2.    oxygen
  3.    water
  4.    food
 Discuss Question
Answer is Option C. -> water
Answer: (c).water
Question 2. Cellulose is highly insoluble in water and is not digested in digestive tract of
  1.    human
  2.    birds
  3.    protozoa's
  4.    insects
 Discuss Question
Answer is Option A. -> human
Answer: (a).human
Question 3. Due to its unique properties carbon can react with many known elements forming
  1.    covalent bond
  2.    ionic bond
  3.    coordinate covalent bond
  4.    hydrogen bond
 Discuss Question
Answer is Option A. -> covalent bond
Answer: (a).covalent bond
Question 4. A valuable and most important quality of proteins is to prevent blood loss after an injury by process of
  1.    (coagulation)blood clotting
  2.    cell division
  3.    imputation
  4.    glycolysis
 Discuss Question
Answer is Option A. -> (coagulation)blood clotting
Answer: (a).(coagulation)blood clotting
Question 5. Proteins comprises off total dry weight in a cell which is over
  1.    60%
  2.    50%
  3.    70%
  4.    40%
 Discuss Question
Answer is Option B. -> 50%
Answer: (b).50%
Question 6. A mammalian cell contains 18% of
  1.    water
  2.    proteins
  3.    ions
  4.    fats
 Discuss Question
Answer is Option B. -> proteins
Answer: (b).proteins
Question 7. Lipids which are composed of glycerol and fatty acids are called
  1.    Acylglycerols
  2.    waxes
  3.    phospholipids
  4.    glycolipids
 Discuss Question
Answer is Option A. -> Acylglycerols
Answer: (a).Acylglycerols
Question 8. A compound which is responsible for structure of membranes of cell and its organelles is a
  1.    lipid
  2.    proteins
  3.    fats, glucose, starch
  4.    waxes
 Discuss Question
Answer is Option A. -> lipid
Answer: (a).lipid
Question 9. Tertiary conformation of proteins is maintained by 3 types of bonds namely ionic, hydrogen and
  1.    sulphide
  2.    disulphide
  3.    covalent
  4.    peptide
 Discuss Question
Answer is Option B. -> disulphide
Answer: (b).disulphide
Question 10. Clycylalanine is a
  1.    dipeptide
  2.    monopepttide
  3.    polypeptide
  4.    tertrapeptide
 Discuss Question
Answer is Option A. -> dipeptide
Answer: (a).dipeptide
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Sub Topics

  • Bioenergetics
  • Biological Molecules
  • Cell Biology
  • Coordination And Control In Animals
  • Enzymes
  • Fungi
  • Gaseous Exchange
  • General Biology
  • Growth And Development
  • Homeostasis
  • Kingdom Animalia
  • Kingdom Plantae
  • Kingdom Prokaryotae
  • Kingdom Protoctista
  • Microorganisms And Diseases
  • Nutrition
  • Reproduction

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