Biomolecules And Polymers MCQ

Test your knowledge with important Biomolecules And Polymers MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Biomolecules And Polymers MCQs at Bissoy

• Consider the following statements.<br>1. Rubber is polymer of isoprene.<br>2. Rubber, known as coagulation.<br>3. By increasing the among of sulphur, the rubber can be hardened.<br>Which of the statements given above is/are correct about rubber?
  ক

  1 and 2

  খ

  1 and 3

  গ

  2 and 3

  ঘ

  1, 2 and 3
• The function of enzymes in the living system is to
  ক

  Transport oxygen

  খ

  provide immunity

  গ

  catalyse bio-chemical reaction

  ঘ

  provide energy
• Consider the following statements.<br>1. Vitamins are complex organic molecules.<br>2. Vitamins are required in small amounts for our life.<br>3. Water soluble vitamins can be stored in our body.<br>Which of the above statement(s) is/are correct?
  ক

  1 and 2

  খ

  1 and 3

  গ

  2 and 3

  ঘ

  Only 3
• Multi-use plastic water bottles are made of . . . . . . . .
  ক

  Bakelite

  খ

  Polystyrene

  গ

  Polyethylene

  ঘ

  Silicon
• The polymeric fibres used as a substitute for wool in making synthetic blankets, sweaters etc. is
  ক

  nylon

  খ

  teflon

  গ

  orlon

  ঘ

  bakelite
• Synthetic fibers catches fires easily, however the uniform of fireman have a coating of . . . . . . . . plastic to make them flame resistance.
  ক

  Nylon

  খ

  Melamine

  গ

  Rayon

  ঘ

  Acrylic
• Which of the following vegetable oils does not contain essential fatty acids?
  ক

  Sunflower oil

  খ

  Mustard oil

  গ

  Coconut oil

  ঘ

  Groundnut oil
• Among the following sweeteners, which one has the lowest sweetness value?
  ক

  Alitame

  খ

  Aspartame

  গ

  Saccharin

  ঘ

  Sucralose
• Which one among the following gases readily combines with the hemoglobin of the blood?
  ক

  Methane

  খ

  Nitrogen dioxide

  গ

  Carbon monoxide

  ঘ

  Sulphur dioxide
• Assertion (A) Cellulose is used in making shatter-proof glass.<br>Reason (R) Polysaccharides are not soluble in water.
  ক

  Both A and R are true and R is the correct explanation of A

  খ

  Both A and R are true, but R is not the correct explanation of A

  গ

  A is true, but R is false

  ঘ

  A is false, but R is true
• Consider the following statements.<br>1. Monosaccharides are the simple carbohydrates.<br>2. Monosaccharides are sweet in taste.<br>3. Monosaccharides upon heating get charred and give the smell of burning sugar.<br>Which of the statement (s) given above is/are correct?
  ক

  Only 1

  খ

  2 and 3

  গ

  1 and 3

  ঘ

  1, 2 and 3
• Which one of the following polymers is not biodegradable?
  ক

  Cellulose

  খ

  Starch

  গ

  Protein

  ঘ

  PVC
• Which one of the following is used in making 'Bullet proof Jacket'?
  ক

  Fibrous glass

  খ

  Gun metal

  গ

  Lead

  ঘ

  Laminated glass
• What is the bond between two amino acids in a protein called?
  ক

  Ester bond

  খ

  Glycosidic bond

  গ

  Peptide bond

  ঘ

  Phosphodiester bond
• Vitamin B₁₂ deficiency causes pernicious anaemia. Animals cannot synthesise vitamin B₁₂. Humans must obtain all their vitamin B₁₂ from their diet. The complexing metal ion in Vitamin B₁₂ is.
  ক

  Mg²⁺ (Magnesium ion)

  খ

  Fe²⁺ (Iron ion)

  গ

  CO³⁺ (Cobalt ion)

  ঘ

  Zn²⁺ (Zinc ion)
• Statement I On hydrolysis, maltose gives two molecules of glucose.<br>Statement II Maltose is used to manufacture health drinks such as maltova.
  ক

  Both the statements I and II are individually true and statement II is the correct explanation of statement I

  খ

  Both the statements are individually true but statement II is not the correct explanation of statement I

  গ

  Statement I is true, but statement II is false

  ঘ

  Both statement I and II are false
• Which of the following is used to make light weight, but strong plastic?
  ক

  Nylon

  খ

  Polythene

  গ

  Polyvinyl chloride

  ঘ

  Methyl Methacrylate
• Consider the following statements Enzymes and proteins can be correlated with each other in the following ways.<br>1. All proteins are enzyme.<br>2. All enzymes are protein.<br>3. All enzymes are not protein.<br>4. All proteins are not enzyme.<br>Which of the statements given above is/are correct?
  ক

  1 and 3

  খ

  2 and 4

  গ

  1, 2 and 3

  ঘ

  2, 3 and 4
• Which one of the following carbohydrates is used for silvering of mirror?
  ক

  Sucrose

  খ

  Maltose

  গ

  Glucose

  ঘ

  Fructose
• Fabric made from . . . . . . . . does not get wrinkled easily.
  ক

  cotton

  খ

  flax

  গ

  silk

  ঘ

  polyester
• Which among the following is not a polymer?
  ক

  Nylon

  খ

  Teflon

  গ

  Caprolactam

  ঘ

  Polystyrene
• Sweat contains water and . . . . . . . .
  ক

  citric acid

  খ

  lactic acid

  গ

  salt

  ঘ

  vinegar
• Which one of the following hormones contains peptide chain?
  ক

  Oxytocin

  খ

  Corticotropin

  গ

  Insulin

  ঘ

  Cortisone
• The reagent which may be used to distinguish between cane sugar and glucose solution is
  ক

  Molisch's reagent

  খ

  Iodine solution

  গ

  Baeyer's reagent

  ঘ

  Fehling's solution
• Select the correct pair/pairs.<br>
  ক

  <table class="table-style-1"> <tr> <td><strong>Pollutant</strong></td> <td><strong>Industry</strong></td> </tr> <tr> <td>a. Bleaching liquor</td> <td>Paper and pulp Industry</td> </tr> <tr> <td>b. Cellulose fibers</td> <td>Pharmaceuticals Industry</td> </tr> <tr> <td>c. Drugs and antibiotics</td> <td>Mining Industry</td> </tr></table> Only a

  খ

  Only b

  গ

  Only c

  ঘ

  Both a and b
• In honey, which one among the following sugars predominates?
  ক

  Sucrose

  খ

  Fructose

  গ

  Galactose

  ঘ

  Maltose
• Which one of the following artificial sweetners is modified sugar?
  ক

  Aspartame

  খ

  Succharin

  গ

  Sucralose

  ঘ

  Alitame
• Which of the following are fabrics that may contain polyester?<br>1. Polycot<br>2. Polywool<br>3. Terrycot
  ক

  Only 1 and 2

  খ

  Only 1 and 3

  গ

  Only 2 and 3

  ঘ

  All 1, 2 and 3
• Which of the following is used in plastics?
  ক

  Butane

  খ

  Ethylene

  গ

  Krypton

  ঘ

  Ammonia
• Which one of the following enzymes is used to digest gelatine in the process of recovering silver from the photographic film?
  ক

  Amylase

  খ

  Pepsin

  গ

  Lipase

  ঘ

  None of these