Macromolecules MCQ's
MCQ's with answers from chapter 14 Macromolecules chemistry book 1 for FSC pre engineering and pre medical for Board of Intermediate and Secondary education. Also For Entry Test Preparation for UET, NUST, PIEAS, GIKI, AIR, FAST, WAH University, UHS, other engineering Universities and Medical Colleges.
- Which of the following is polymerization process?
- The cracking of petroelum
- Fractional disstillation of crude oil
- Formation of polyethen
- Hydrolysis of protiens
- Which one is addition polymer?
a. Nylon-6 b. Polystyrene
c. Terylene d. Epoxy resin
- Which is synthetically prepared polymer?
a. Animal fat b. Starch
c. Cellulose d. PVC
- Vegetable oils are
-
- Unsaturated fatty acids
- Glycerides of unsaurtated faty acids
- Glycerides of stturated fatty acids
- Essential oils obrained from plants
- The water soluble vitamin is
a. A b. D
c. K d. C
- Which of the following element is not present in all proteins
a. Carbon b. Hydrogen
c. Nitrogen d. Sulphur
- Hydrolysis of fats is catalysed by
a. Urease b. Maltase
c. Zymase d. Lipases
- Which of the follwing statement is incorrect for glucose and sucrose?
-
- Bothe are soluble in waater
- Both are naturllay occuring
- Both are carbohydrates
- Both are disaccharides
- Macromolecules may be of
-
- Inorganic and organic nature
- Inorganic nature
- Organic nature
- None of the above
10. Structure wise the polymers are of
-
- Linear shaped
- Branched linear shaped
- Cross inked linear shaped
- All of the above
- Major type of polymers are
a. Homopolymer b. Copolymer
c. Teropolymer d. All of the above
- The epoxy resin are fundamentally
a. Polyethers b. Polyvinyls
c. Polyesters d. None of the above
- Starch is a polymer of
a. Beta-D glucose
b. Alpha-D glucose
c. Gamma-D glucose
d. Alpha-beta-D glucose
- the most abundant protiens that are present in the connective tissues throughout the body are
a. Legumin b. Collagen
c. Both d. None of the above
- Based upon physicochemical properties proteins may be classified into
a. Two types b. Four types
c. Three types d. Five types
- The primary building blocks of lipids are
-
- Fatty acids and gycerols
- Glycerols and sterols
- Fatty acids , Glycerols and sterols
- None of the above
- Animal and Vegetable fats and oils gave
-
- Different structure
- Similar chemical structure
- Both the above depend upon the circumstances
- None of the above
- The enzyme which use as drug in blood cancer is
a. Thrombin b. Lasparaginase
c. Both of the above d. None of the above
- Different bases found in DNA are
-
- Cytosine and thiamine
- Adenine and guanine
- All of the above
- None of the above
- Polyethylene is prepared from
a. Ethene b. Ethylene
c. Ethyne d. Both a and b
21. The group of chemical reagents that take part in life sustaining process is called
a. Wax b. Refinery gas
c. Food d. None of these
22. A balanced diet must contain at least
a. Two nutrients b. Four nutrients
c. Six nutrients d. Three nutrients
23. Which one of the following is a single nutrient food?
a. Starch b. Boney
c. Milk d. Glucose
24. Milk is a food containing
a. Single nutrient b. Dinutrient
c. Multinutrient d. None of these
25. Which of these are the sources of energy as well as source for building of tissues?
a. Proteins b. Fats
c. Carbohydrates d. All of these
26. Which nutrients regulate the body processes?
a. Minerals b. Vitamins
c. Water d. All of these
27. The product of oxidation of glucose is
a. CO2 b. Water
c. Energy d. All of these
28. The oxidation of fats produces:
a. CO2 b. CO2 + H2O
c. CO2 + H2O + E d. None of these
29. The oxidation of protein produces urea in addition to
a. CO2 b. Water
c. Nitrogen d. Both a & b
30. Glucose is stored in the liver as
a. Cellulose b. Glycogen
c. Glycerol d. Starch
31. The excess of amino acids are not stored in the body but dominated to form intermediates of
a) Fat metabolism
b) Carbohydrates metabolism
c) Protein metabolism
d) None of these
32. The general formula of carbohydrates is
a. Cn(H2O)n b. C2n(H2O)n
c. Cn(H2O)2n d. None of these
33. Carbohydrates are
a) Polyhydroxy alcohols
b) Polyhydroxy ethers
c) Polyhydroxy ester
d) Polyhydroxy aldehydes or ketones
34. Monosaccharide and Diaccharides are solid, sweet in taste and soluble in
a. C6H6 b. H2O
c. CHCl3 d. Acetone
35. Carbohydrates which contain 2 – 10 carbon atoms and not are hydrolysable are called
a. Monosaccharides b. Oligosaccharides
c. Polysaccharides d. None of these
36. Which of the carbohydrates is tasteless?
a. Glucose b. Fructose
c. Sucrose d. Glycogen
37. Sucrose on hydrolysis yields
a) Glucose + Mannose
b) Glucose + Fructose
c) Fructose + Mannose
d) Mannose + Galactose
38. Glucose is also called
a. Starch b. Dextrose
c. Sucrose d. Mannose
39. The heterogeneous group of organic compounds which provides insulation for the vital organs protects from electrical shock and maintains optimum body temperature is called
a. Proteins b. Vitamins
c. Lipids d. Carbohydrates
40. The nutrients of food which are involved in communication, nervous defenses, metabolic regulation, catalysis and oxygen transport are called
a. Proteins b. Vitamins
c. Lipids d. Carbohydrates
41. Steroids belong to the family of lipids which are
a. Tricyclic b. Tetracyclic
c. Pentacyclic d. Monocyclic
42. Cholesterol is a steroid which is the important precursor of
a. Sex hormones b. Adrenal hormones
c. Vitamin D d. All of these
43. Gallstones contain:
a) Free cholesterol
b) Combine cholesterol
c) Starch
d) Mannose
44. Enzyme activators are
a. Organic salt b. Inorganic salts
c. Proteins d. Fats
45. Product of sponification is
a. Glycerol b. Salt of fatty acids
c. Nucleic acid d. Both a & b
46. The number of moles of substrate transformed per mole of enzyme per minute at a definite temperature is called
a. Potency b. Turn over
c. Rancidity d. None of these
47. Enzymes are most active at a temperature of:
a. 30oC b. 40oC
c. 45oC d. 50oC
48. Inorganic substances which increase the activity of an enzyme is called
a. Activators b. Inhibitors
c. Coenzymes d. None of these
49. The synthetic fiber composed of an ester of a dihydric alcohol and terphthalic acid is called
a. Rayon fiber b. Acrylic fiber
c. Polyester d. Saran fiber
50. Dacron is the trade name of
a. Nylon 6, 6 b. Terylene fiber
c. Acrylic fiber d. Saran fiber
51. The plastics which are formed by plain polymerization are known as:
a) Thermoplastics
b) Thermosetting plastics
c) Both
d) None of these
52. The trade name of polytetrafluoroethylene (PTFE) plastic is
a. Dacron b. Teflon
c. Saran d. Nylon
53. The formula of Teflon is
a) (CCl2 – CCl2)n
b) (- CF2 – CF2 -)n
c) (- CBr2 – CBr2 -)n
d) (- Cl2 – Cl2 - )n
54. Which one of the following is addition polymer?
a. PVC b. Polystyrene
c. Polythene d. All of these
55. The condensation polymers among the following
a. Polyester b. Polyamide
c. Eposy resin d. All of these
56. PTEF is formed by the polymerization of
a. CH2 = CH2 b. CH2 = CHCl
c. CF2 = CF2 d. None of these
57. Fluorine is present in
a. Polythene b. Nylon 6, 6
c. Teflon d. Polyester
58. A copolymer is formed by polymerization of
a) A single type of monomer
b) Two types of monomers
c) Three types of monomers
d) All of these
59. A polymer is formed by polymerization of three different types of monomers is
a. Copolymer b. Homopolymer
c. Monomer d. All of these
60. Yeast is a
a) Bacteria b) Antibiotic
c) Virus d) Fungi
61. Polyester resins are the product of the reaction
of _______
a) Alcohol and aromatic acids
b) Polyamines with aliphatic dicarboxylic acids
c) Styrene in the presence of catalyst
d) Epichlorohydrin with diphenylol propane
62. Enzyme tripsin converts
a) Amino acid into proteins
b) Glucose into glycogen
c) Starch into sugar
d) Proteins into amino acids
63. The digestion of fat in intestine is aided by
a) Diffusion b) Peptisation
c) Emulsification d) Neutralization
64. Chemical name of Vitamin A is
a) Thiamine b) Retinol
c) Ascorbic acid d) Nicotinamide
65. Glucose and fructose are
a) Optical isomers b) Functional isomers
c) Chain isomers d) Position isomers
66. Starch is a polymer of ________
a) Glucose b) Fructose
c) Lactose d) Maltose
67. On heationg glucose with Fehling’s solution
we get a precipitate of color _______
a) Yellow b) Red
c) Black d) Green
68. The sweetest of all sugars is
a) Glucose b) Maltose
c) Sucrose d) Fructose
69. Amino acids are least soluble in water
a) At pH = 7 b) At pH >7
c) At pH < 7 d) At isoelectric point
70. Which of the following is the richest source of
energy?
a) Adenosine troposphere (ATP)
b) Adenosine diphophate (ADP)
c) Adenosine monophosphate (AMP)
d) All are equally rich source of energy
71. Digestion of carbohydrates takes place in
a) Mouth b) Stomach
c) Intestine d) Both a & c
72. Brown sugar can be decolourised by
a) Bleaching powder b) Soap solution
c) Hypo d) Animal Charcoal
73. The protein responsible for the clotting of
blood is
a) Fibrinogin b) Albumine
c) Globulins d) None of the above
74. Which hormone controls the metabolism of
carbohydrates?
a) Adrenaline b) Insulin
c) Thyroxine d) Oxytocin
75. Which of the following are required by the
body in small amount only?
a) Proteins b) Fats
c) Vitamin d) None
76. Saponification of coconut oil yields glycerol
and
a) Palmitic acid b) Sodium palmitate
c) Oleic acid d) Satiric acid
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