(a) Carbon (b) Hydrogen (c) Oxygen (d) All
2. To analyse chemical composition of living tissue, we solubilise them in
(a) HNO3
(b) HCI (c) CF3
COOH (d) CCI3
COOH
3. Percentage of oxygen in human body is
(a) 65% (b) 46.6% (c) 18.5% (d) 3.3%
5. All the carbon compounds that we get from living tissues can be called
(a) bio-resource (b) bio-informatics (c) bio-war (d) bio-molecules
6. Select the incorrect statement from the following:
(a) Elemental analysis of living tissues gives elemental composition of living tissue
(b) Analysis of chemical compound of living tissue gives an idea of organic and inorganic
constituent of living tissue
(c) Weight of small amount of living fresh tissue is known as weight height
(d) Acid soluble pool contains lipids, nucleic acid, polysaccharide only
7. The biomolecule whose weight is less than____ dalton (Da) is referred to as biomicromolecule.
(a) 800 (b) 18 (c) 1000 (d) 10,000
8. Which of the following is not a macromolecule?
(a) Nucleic acid (b) Polysaccharides (c) Lipids (d) Proteins
9. Lipids are extracted with acid insoluble fraction because
(a) its molecular weight is less than 800 Da
(b) it form vesicle or micelle which are not water soluble
(c) it is polymer
(d) it is not a polymer
10. Select the incorrect matching for component % in living cell:
(a) Water – 70–90%
(b) Proteins – 10–15%
(c) Carbohydrate – 2%
(d) Nucleic Acid – 5–7%
11. _________ of the total cell mass is formed by ions.
(a) 1% (b) 2% (c) 3% (d) 4%
12. Monomeric unit of cellulose is
(a) glucose (b) fructose (c) mannose (d) ribose
13. Monomeric unit of inulin is
(a) glucose (b) fructose (c) mannose (d) ribose
14. Which of the following is homopolysaccharide?
(a) Cellulose (b) Inulin (c) Starch (d) All
15. Starch forms helical _________ structure that can hold _________ molecule and gives blue
colour.
(a) primary, I2 (b) secondary, I2
(c) tertiary, I2
(d) quaternary, I2
16. Select the incorrect statement from the following:
(a) Cellulose does not contain complex helices
(b) Cellulose does not give colour with I2
(c) Cotton fi bre, plant cell wall are made up of cellulose
(d) Cellulose is heteropolysaccharide
17. Which of the following is amino-sugar?
(a) Glucosamine (b) Galactosamine (c) Both (d) None
18. Chitin is
(a) homopolysaccharide (b) heteropolysaccharide
(c) oligosaccharide (d) monosaccharide
19. Chitin is present in
(a) exoskeleton of arthropods (b) cell wall of fungus
(c) seate of earthworm (d) all
20. In glycogen, which kind of linkage is found between adjacent glucose molecule?
(a) 1, 4 (b) 1, 6 (c) both (d) 1, 2
21. Which of the following is incorrect about glycogen?
(a) It is a stored form of glucose in animals
(b) In glycogen, right end is reducing and left end is non-reducing
(c) It is a branched polymer of glucose
(d) It is a stored form of glucose in plants
22. Bond formed between two adjacent monosaccharide is
(a) peptide bond (b) ester bond (c) glycosidic bond (d) ionic bond
23. Blood concentration of glucose in normal healthy individual is
(a) 2–3 mM (b) 4.5–5 mM (c) 6–7 mM (d) 1 mM
26. Which of the following is a stored form of energy in plant?
(a) starch (b) cellulose (c) glycogen (d) chitin
27. Lipids are
(a) compounds of carbon, hydrogen and oxygen
(b) compounds of glycerol and fatty acid
(c) insoluble in water
(d) all
28. Lipids may be
(a) fatty acid (b) glycerol
(c) compound respectively of both (d) all
29. What is the number of carbon atoms which Palmitic and Archidonic acid contain (including
carboxyl carbon)?
(a) 16, 19 (b) 15, 19 (c) 16, 20 (d) 18, 20
30. Fats or oils are
(a) monoglycerides (b) diglycerids (c) triglycerids (d) any of the above
31. Which of following is an example of phospholipid?
(a) Plamitic acid (b) Arachidonic acid
(c) Lecithin (d) Glycerol
32. Which of the following is correct about lipids?
(a) On basis on melting points they are divided into fats and oils
(b) Neural tissues are made up of simple lipids only
(c) Phospholipids are never form part of cell membrane
(d) Lipids are strictly macromolecule
34. Which of the following is correct about amino acid?
(a) It is a compound containing amino and acidic group (–COOH)
(b) It is a substitute and is methane
(c) It is based on nature of ‘R’ group they are of many types
(d) All
35. How many amino-acids are used to form protein?
(a) 18 (b) 20 (c) 21 (d) 22
36. H—C—NH2
COOH
®— —
is a structure of α–amino acid. Based on diff erent ® groups the following amino
acids are formed. Select the correct amino acid according to diff erent ® group.
(a) R→H (glycine),
(b) R→CH3
(alanine),
(c) R→CH2
OH (serine)
(d) All
37. Chemical and Physical property of amino acid is based on
(a) –NH2
group (b) –COOH group (c) R–group (d) All
38. Match the column:
Column I Column II
A. Acidic – 1. Valine
B. Basic – 2. Lysine
C. Neural – 3. Glutamic acid
D. Aromatic – 4. Tyrosine, phenylalanine, tryptophan
(a) A–3, B–2, C–1, D–4 (b) A–2, B–3, C–4, D–1
(c) A–4, B–1, C–2, D–3 (d) A–1, B–2, C–2, D–4
40. Protein is
(a) homopolymer (b) heteropolymer (c) polypeptide (d) both (b) and (c)
41. Essential amino acids are those which are
(a) not synthesized by our body
(b) not required by our body
(c) synthesized by our body
(d) only used to form proteins
42. The most abundant protein in animal world is
(a) RuBisCO (b) collagen (c) elastin (d) albumin
43. The most abundant protein in whole biosphere is
(a) RuBisCO (b) collagen (c) elastin (d) albumin
44. Protein acts as a
(a) enzyme (b) receptor (c) antibody (d) all
45. Match the column:
Column I Column II
A. Collagen – 1. Hormone
B. Trypsin – 2. Enzyme
C. Insulin – 3. Fight Infectious agent
D. Receptor – 4. Enable glucose transport into cells
E. GLUT–4 – 5. Sensory reception (smell, taste hormone)
F. Antibody – 6. Intercellular ground substance
(a) A–3, B–2, C–4, D–1, E–6, F–5 (b) A–6, B–2, C–1, D–5, E–4, F–3
(c) A–1, B–4, C–2, D–5, E–3, F–6 (d) A–2, B–4, C–5, D–3, E–1, F–6
46. Which one is correct about macromolecular fraction is comprised of
(a) poly nucleotides (b) poly peptides (c) polysaccharides (d) all
47. Protein is described by biologists at _________ levels.
(a) 1 (b) 2 (c) 3 (d) 4
48. Sequence or positional information of amino acid is given by the
(a) 2° structure (b) 1° structure
(c) tertiary structure (d) quaternary structure
49. In primary structure of protein
(a) Left end represent → 1st amino acid (C-terminal amino acid)
(b) Right end represent → Last amino acid (N terminal amino acid)
(c) Left end represent → 1st amino acid (N-terminal amino acid)
(d) Right end represent → 1st amino acid (C-terminal amino acid)
52. Which structure is absolutely necessary for the many biological activities of proteins?
(a) 1° (b) 3° (c) 2° (d) 4°
53. When assembly of more than one poly peptide occur it is known as _____ structure of protein.
(a) 1° (b) 2° (c) 3° (d) 4°
54. Which of the following is correct about human Haemoglobin (Hb)?
(a) Made up to 2-a and 2-b subunits (b) Present in RBC
(c) Use to carry O2
and CO2
(d) All
55. Select incorrect statement from the following:
(a) Most of the enzymes are protein
(b) ‘Hb’ is example of quaternary structure of protein
(c) In primary structure of protein, left hand is N-terminal and right hand is C-terminal
(d) In protein or polypeptide, amino acids are linked by glycosidic bond
56. Which of the following possess heterocyclic ring?
(a) Adenine (b) Guanine and Cytosine
(c) Thymine and Uracil (d) All
57. Identify the nucleoside from the following:
A. Adenosine
B. Uridylic acid
C. Uridine
D. Cytidylic acid
(a) A and B only (b) A and C only (c) C and D only (d) B and C only
58. Which of the following act as a genetic material?
(a) DNA and RNA (b) Uridylic acid (c) Adenylic acid (d) Gunanylic acid
59. Sugar + Nitrogen bases form
(a) Nucleoside (b) Nucleotide
(c) Peptide (d) Glycoside
60. Sugar + Nitrogen bases + Phosphate forms
(a) Nucleoside (b) Nucleotide
(c) Peptide (d) Glycoside
61. How many Nitrogen atoms are present in adenine?
(a) 3 (b) 4 (c) 5 (d) 6
63. DNA and RNA are
(a) polypeptide (b) polynucleotide (c) polysaccharide (d) all
64. How much percentage of total cellular mass is formed by nucleic acid?
(a) 3 (b) 2 (c) 5–7 (d) 10–15
65. Following are purines
(a) Adenine (b) Guanine (c) Cytocine (d) Both (a) and (b)
66. Following are pyramidine (substituted):
(a) Cytocine (b) Thymine
(c) Uracil (d) All
67. DNA contains
(a) ribose (b) 3’ deoxyribose (c) 5’ deoxyribose (d) 2’ deoxyribose
68. The bond present between two nucleotides is known as
(a) phosphoester linkage (b) phosphodiester linkage
(c) gycosidic linkage (d) peptide linkage
69. Watson–Crick Structure of DNA is
(a) 1° structure (b) 2° structure (c) 3° structure (d) 4° Structure
70. Which of the following is correct about DNA?
(a) Double helical structure in which two strands of polynucleotide runs antiparallel
(b) Bank-bone is formed by Sugar–Phosphate–Sugar chain
(c) N2
-bases projected more or less perpendicular to back bone and faces inside
(d) All
74. Which one is correct about DNA?
(a) DNA exist as double helix
(b) Two strands of polynucleotide in DNA are antiparallel
(c) The nitrogen bases are projected more or less perpendicular to this backbone but face inside
(d) All
75. At each step of ascent in a B-DNA double helical structure, the strand turn _________.
(a) 36° (b) 72°
(c) 90° (d) 18°
76. One full turn of B-DNA helix strand would involve how many base pairs?
(a) 12 (b) 8
(c) 10 (d) 20
77. Select the incorrect statement from the following:
(a) N2
-bases (A, G, C, T, U) have heterocyclic rings
(b) In most of organism DNA is genetic material
(c) Adenylic acid is nucleoside
(d) The rise per base pair in B-DNA is 3.4A°
78. There are _____ hydrogen bond between A and T, and _____ hydrogen bond between G and C.
(a) 2,2 (b) 3,3 (c) 2,3 (d) 3,2
79. Plants produce an enormous diversity of substances that have no apparent roles in growth and
development processes and are classifi ed under the heading of
(a) primary metabolites (b) secondary metabolites
(c) necessary metabolites (d) tertiary metabolites
80. Which one of the following is secondary metabolite?
(a) Amino acid (b) Sugar
(c) Flavonoides and autibiotics (d) Protein
81. Which one of the following statement is incorrect?
(a) Primary metabolites have indenfi able functions
(b) Some secondary metabolites have ecological importance
(c) Secondary metabolites like rubber, drugs, spices, scents and pigments are useful to human
welfare
(d) Secondary metabolites are not found in fungi, microbes and plants
82. Following are pigments
(a) Morphine (b) Vinblastin
(c) Caroteorids and anthocyanin (d) Ricin
83. Which one of the following is not a polymeric substance?
(a) Rubber (b) Morphine (c) Protein (d) Cellulose
84. Which of the following secondary metabolites are used as drugs?
(a) Abrin + Ricin (b) Vinblastin + Curcumin
(c) Anthocyanins (d) Monoterpenes
85. Which one of the following is a secondary metabolite?
(a) Lemon oil grass (b) Sucrose (c) Lactose (d) Glycine
86. Match the Column
Column I Column II
(Category) (Secondary Metabolites)
A. Pigments – 1. Concanavalin A
B. Terpenoides – 2. Monoterpenes, Diterpenes
C. Alkaloids – 3. Morphine, Codeine
D. Lectins – 4. Carotenoids, Anthocyanine
E. Toxins – 5. Abrin and Ricin
F. Drugs – 6. Vinblastin, Curcumin
(a) A–1, B–2, C–6, D–4, E–5, F–6 (b) A–4, B–2, C–3, D–1, E–5, F–6
(c) A–3, B–4, C–6, D–5, E–1, F–2 (d) A–2, B–1, C–4, D–6, E–5, F–6
87. Which one(s) is (are) secondary metabolites?
(a) Flavonoids and Rubber
(b) Antiotics, coloured pigments and essential oils
(c) Scents, gums, spices
(d) All
88. Select the incorrect statement from the following:
(a) All biomolecules have turnover in cell
(b) Metabolic reaction does not occur in isolation
(c) Metabolic pathways are either linear or circular
(d) Metabolites fl ow is a study state of body constituent
89. Select the incorrect statement from the following:
(a) Acetic acid becoming cholesterol is an example of biosynthetic or anabolic pathway
(b) Glucose becoming lactic acid in our skeletal muscles is an example of degradation or
catabolic pathway
(c) Flow of metabolite through metabolic pathway does not have a defi nite rate and direction
(d) Anabolic pathway requires energy whereas catabolic pathway releases energy
90. Bond energy, which is stored in our body in the form of ATP, is utilized in
(a) biosynthetic phase (b) osmotic work (c) mechanical work (d) all
91. Living state is
(a) non-equilibrium, non-steady state (b) equilibrium, steady state
(c) non-equilibrium, steady state (d) equilibrium, non-steady state
92. Select the correct statement from the following:
(A) Biomolecules are in metabolic fl ux in living state.
(B) Living process is a constant eff ort to prevent falling into equilibrium.
(C) Metabolism provides a mechanism for the production of energy.
(D) Living state and metabolism is synonymous.
(a) All except A (b) All except B (c) All except D (d) All
93. In how many metabolic steps degradation of glucose to lactic acid occurs?
(a) 8 (b) 9 (c) 10 (d) 2
94. How do living organisms derive their energy? What strategies have they evolved? How do they
store this energy and in what form? How do they convert this energy into work? These aspects
are studied under a sub-discipline called
(a) Biowar (b) Bioinformatics (c) Bioenergetics (d) Biosynthesis
95. Almost all enzymes are
(a) proteins (b) nucleic acid (c) carbohydrates (d) vitamins
96. There are some nucleic acids that behaves like enzymes and are called
(a) DNAase (b) RNAase (c) endonuclease (d) ribozymes
97. _________ of an enzyme is a crevices or pocket into which substrate fi t.
(a) Inactive site (b) Active site (c) Allosteric site (d) Any of the above
98. Select the incorrect statement from the following:
(a) Active enzyme has tertiary structure having many active sites (substrate binding sites)
(b) Enzymes are biocatalyst
(c) Enzymes occur in viruses
(d) Enzyme are mainly protein in nature
99. Select the correct statement from the following:
(a) Inorganic catalysts work effi ciently at high temperature and high pressure while enzymes
get damaged at high temperature (above 40°C)
(b) Ribozymes are nucleic acids behaving like enzyme
(c) Thermophilic organisms living in hot vents and sulphur springs have enzymes that are
stable and retain their catalytic power even at high temperature (80–90°C)
(d) All
100. Select the incorrect statement from the following:
(a) A physical change simply refers to a change in shape without breaking of bonds
(b) Change is state of matter is also physical change
(c) Hydrolysis of starch into glucose is an inorganic chemical reaction
(d) Catalyzed reactions proceed at rates vastly higher than that of uncatalyzed ones
101. CO2
+ H2
O ← H2
CO3
Carbonic acid
Which one of the following statement is incorrect about the above reaction?
(a) In the absence of enzyme, the rate of H2
CO3
formation is about 200 molecules per hour
(b) When carbonic anhydrase catalyses the same reaction, there is no change in the rate of
H2
CO3
formation
(c) The reaction catalyzed by the enzyme shows dramatically higher decrease speed about
600,000 molecules being formed every second. (rate becomes 10 million times more)
(d) The enzymes carbonic anhydrase occurs in abundance in RBC
102. Fill in the blanks in below statements:
A. A multistep chemical reaction, when each of the steps is catalyzed by the same enzyme
complex or diff erent enzymes, is called a _________ 1 _________ pathway
B. In our skeletal muscle, under anaerobic conditions, _________ 2 _________ is formed.
C. In yeast, during fermentation, the gylcolytic pathway leads to the production of _________
3 _________.
(a) 1-metabolic pathway 2-acetic acid 3-ethanol
(b) 1-glycolytic pathway 2-lactic acid 3-ethanol
(c) 1-glycolytic pathway 2-ethanol 3-ethanol
(d) 1-metabolic pathway 2-lactic acid 3-ethanol
103. There could be many more ‘altered structural states’ (like transition state) between the stable
substrate and the product in enzymatic reaction. These structural states are
(a) stable
(b) unstable
(c) metastable
(d) of lower energy then both substrate and product
104. Which one of the following statement about enzymes is true?
1. Enzymes are proteins whose three dimensional shape is key to their functions.
2. Enzymes speed up reactions by lowering activation energy.
3. Enzymes are highly specifi c for reactions.
4. Enzyme activity aff ected by change in temperature and pH.
(a) All except 2 (b) All except 1 (c) All except 3 (d) All
105. Which of the following is a unique feature about the enzyme?
(a) They are not consumed by the enzyme-mediated reaction
(b) They are not altered by the enzyme-mediated reaction
(c) They lower the activation energy
(d) All
106. The catalytic cycle of an enzyme action can be described in the following steps. Arrange them
in sequence accordingly.
1. The binding of the substrate induces the enzyme to alter its shape, fi tting more tightly
around the substrate.
2. The substrate binds to the active site of the enzyme, fi tting into the active site.
3. The enzyme releases the products of the reaction and the free enzyme is ready to bind to
another molecule of the substrate and run through the catalytic cycle once again.
4. The active site of the enzyme, now in close proximity of the substrate breaks the chemical
bonds of the substrate and the new enzyme product complex is formed.
(a) 1 → 2 → 3 → 4 (b) 2 → 1 → 4 → 3
(c) 1 → 2 → 4 → 3 (d) 2 → 1 → 3 → 4
107. Activation energy for given reaction is (i.e. reactant → product):
(a) Energy of transition state – Energy of substrate
(b) Energy of transition state – Energy of product
(c) Threshold energy – Energy of transition state
(d) All are correct
108. Which one is correct?
(a) E + S → ES → EP → EP (b) E + S → ES → EP → E + P
(c) E + S → ES → EP → E – P (d) E + S → ES → EP → E – P
112. Each enzyme shows its highest activity at particular temperature and pH called the ______
temperature and ______ pH. These (1) and (2) are respectively.
(a) optimum, optimum (b) minimum, minimum
(c) maximum, maximum (d) minimum, maximum
113. Select the correct statement:
(a) Low temperature preserves the enzyme in a temporarily inactive state
(b) Higher temperature destroys enzymatic activity because proteins ar denatured by heat
(c) Activity of enzymes declines both below and above the optimum value
(d) All
114. Select the correct statement:
(a) Increase in substrate concentration, increases velocity of enzymatic reaction at fi rst than
it reaches maximum and further increment not occur
(b) In competitive inhibition inhibitor closely resembles the substrate in its molecular structure
(c) Competitive inhibition are often used in the control of bacterial pathogens
(d) All
115. The activity of an enzyme is also sensitive to the presence of specifi c chemicals that bind to
the enzyme. When the binding of the chemical shuts off enzyme activity, the process is called
_________ and the chemical is called an _________ .
(a) activation, activator (b) inhibition, inhibitor
(c) Inhibition, promoter (d) activation, inhibitor
116. Inhibition of succinate dehydrogenase by malonate is an example of
(a) non-competitive inhibition (b) negative feed back
(c) allosteric inhibition (d) competitive inhibition
117. Enzymes are divided into
(a) 6 classes, each with 4–13 subclasses and named accordingly by a four-digit number
(b) 7 classes, each with 3–13 subclasses and named accordingly by a four-digit number
(c) 7 classes, each with 4–13 subclasses and named accordingly by a three-digit number
(d) 6 classes, each with 4–20 subclasses and named accordingly by a four-digit number
118. Enzymes which catalyze oxidoreduction between two substrate belongs to class
(a) oxidoreductase (b) transferase (c) hydrolase (d) ligase
119. Enzymes which catalyze transfer of group other than hydrogen belongs to the class
(a) oxidoreductase (b) transferase (c) hydrolase (d) ligase
120. Enzymes which catalyze hydrolysis of ester, ether, peptide, gycosidic bond belongs to class
(a) oxidoreductase (b) transferase (c) hydrolase (d) ligase
121. Enzymes that catalyze removal of groups from substrates by mechanisms other than
hydrolysis leaving double bonds is known as
(a) oxidoreductase (b) transferase (c) hydrolase (d) lyase
122. Enzymes which catalyze inter-conversion of optical, geometric or positional isomers belongs
to the class of class
(a) isomerase (b) transferase (c) hydrolase (d) ligase
123. Enzymes catalyzing the linking together of two compounds, for e.g. enzymes which catalyse
joining of C-O, C-S, C-N, P-O etc. bonds, belongs to the class of
(a) isomerases (b) transferases (c) hydrolases (d) ligases
124. How many types of cofacter can be identifi ed?
(a) 1 (b) 2 (c) 3 (d) 4
125. The suffi x ‘–’ added to substrate for naming the enzyme is
(a) –ase (b) –in (c) –zyme (d) –ose
126. Ptylin is an example of
(a) oxidoreductase (b) transferase (c) hydrolase (d) ligase
127. When Apoenzyme is separated from its metal component, its activity is
(a) decreased (b) increased
(c) lost (d) remains unaff ected
128. Cofactors are
(a) prosthetic groups (b) co-enzymes
(c) metallic ions (d) all
129. Which of the following combinations is correct?
(a) Metal ions loosely attached with Apoenzyme–Activators
(b) Nonprotein organic part attached tightly to Apoenzyme–Prosthetic group
(c) Nonprotein organic part attached loosely to Apoenzyme–Coenzyme
(d) All
130. Which one of the following is not cofactor?
(a) Co-enzyme (b) Metal ions (c) Prosthetic group (d) Apoenzyme
131. Haem is prosthetic group of _________ enzyme
(a) peroxidase (b) catalase (c) both (d) none
132. Zn is activator of _________ enzyme
(a) carbonic anhydrase (b) carboxypeptidase
(c) carboxylases (d) all
133. Which of the following statement is correct?
(1) Catalytic activity is lost when the co-factor is removed from the enzyme
(2) Coenzyme nicotinamide adenine dinucleotide (NAD) and NADP contain the vitamin
niacin.
(3) Biomacromolecules have a hierarchy of structures–primary, secondary, tertiary and
quaternary
(4) Enzymes lower activation energy of reactions and enhance greatly the rate of the reactions.
(5) Nucleic acids carry hereditary information and are passed on from parental generation to
progeny.
(a) 1,5 only (b) 2,3 only (c) 2,5 only (d) All
Answer Keys -
1. (d) 2. (d) 3. (a) 4. (b) 5. (d) 6. (d) 7. (c) 8. (c) 9. (b) 10. (c)
11. (a) 12. (a) 13. (b) 14. (d) 15. (b) 16. (d) 17. (c) 18. (b) 19. (d) 20. (c)
21. (d) 22. (c) 23. (b) 24. (c) 25. (b) 26. (a) 27. (d) 28. (d) 29. (c) 30. (d)
31. (c) 32. (a) 33. (c) 34. (d) 35. (b) 36. (a) 37. (d) 38. (a) 39. (b) 40. (d)
41. (a) 42. (b) 43. (a) 44. (d) 45. (b) 46. (d) 47. (d) 48. (b) 49. (c) 50. (a)
51. (c) 52. (b) 53. (d) 54. (d) 55. (d) 56. (d) 57. (a) 58. (a) 59. (a) 60. (b)
61. (c) 62. (b) 63. (b) 64. (c) 65. (d) 66. (d) 67. (d) 68. (b) 69. (b) 70. (d)
71. (c) 72. (d) 73. (d) 74. (d) 75. (a) 76. (c) 77. (c) 78. (c) 79. (b) 80. (c)
81. (d) 82. (c) 83. (b) 84. (b) 85. (a) 86. (b) 87. (d) 88. (d) 89. (c) 90. (d)
91. (c) 92. (d) 93. (c) 94. (c) 95. (a) 96. (d) 97. (b) 98. (c) 99. (d) 100. (c)
101. (b) 102. (d) 103. (b) 104. (d) 105. (d) 106. (b) 107. (a) 108. (b) 109. (c) 110. (c)
111. (d) 112. (a) 113. (d) 114. (d) 115. (b) 116. (d) 117. (a) 118. (b) 119. (b) 120. (c)
121. (d) 122. (a) 123. (d) 124. (c) 125. (a) 126. (c) 127. (c) 128. (d) 129. (d) 130. (d)
131. (c) 132. (d) 133. (d) 134. (a)
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