WBCS MAIN 2017 P-4 Science-Technology & EVS MCQ
WBCS MAIN 2017 P-4 Science-Technology & EVS One Liner
Topic 1: Chemistry
1. Natural rubber is a polymer of which monomer?
Ans: Isoprene
2. What is Tollen’s reagent?
Ans: Ammoniacal silver nitrate
3. What is paraffin wax chemically?
Ans: Saturated hydrocarbons
4. Which gas is used for artificial ripening of fruits?
Ans: Ethylene
5. Which material does NOT show piezoelectric behavior?
Ans: Rutile
6. What is the melting point of silica?
Ans: 1723°C
7. What is the BET study used to measure?
Ans: Specific surface area
8. What is potash feldspar known as?
Ans: Orthoclase
9. Which acid is used for etching glass?
Ans: HF (Hydrofluoric acid)
10. Which halogen remains in solid state at room temperature?
Ans: I₂ (Iodine)
11. What is marsh gas?
Ans: CH₄ (Methane)
12. What constitutes common glass composition?
Ans: Calcium and Sodium Silicate
13. What are the components of stainless steel?
Ans: Fe + Cr + Ni
14. At what temperature does iron lose its magnetic property?
Ans: Curie point
15. What is bell metal an alloy of?
Ans: Cu + Sn (Copper + Tin)
16. Which element has the greatest ductility?
Ans: Au (Gold)
17. How is aluminum extracted from bauxite?
Ans: Bayer’s process
18. What is the main radioactive element in pitchblende ore?
Ans: U (Uranium)
19. Which industry has the maximum consumption of refractories?
Ans: Iron and Steel Plants
20. What is the most common element in the universe?
Ans: H (Hydrogen)
21. What is zone refining used for?
Ans: Ultra-purification of Silicon, Germanium, Gallium (All of the above)
22. What is the base composition of whiteware body?
Ans: Quartz, Clay and Feldspar
23. Which metal does NOT form amalgam?
Ans: Iron
24. How are jam and jelly preserved?
Ans: By adding small percentage of sodium benzoate
25. What is the reverse of swelling of gel known as?
Ans: Syneresis
26. Which is NOT a peroxide?
Ans: MnO₂
27. What is the atomic packing density in FCC lattice?
Ans: 0.74
28. At what temperature does water attain maximum density?
Ans: 4°C
29. 4.4 g of CO₂ occupies how many litres at STP?
Ans: 2.24 litres
30. What is the aspect ratio?
Ans: Length : Width
31. How is refractive index of a medium defined?
Ans: The ratio of the sine of the angles of incidence and refraction of light is constant when it passes between two given media
32. What is the contact angle of Hg on glass?
Ans: > 90°
33. When do forward chemical reactions happen?
Ans: When ΔG < 0
34. What is the greenhouse gas among the following?
Ans: CO₂
35. At what frequency does electronic polarization in dielectric materials occur?
Ans: GHz
36. What is the Moh’s scale hardness number of diamond?
Ans: 10
37. How is Bakelite produced?
Ans: Condensation polymerization
38. Which catalyst is used for high polymerization of ethylene?
Ans: Zeiglar-Natta catalyst
39. Which isotope is used for cancer therapy?
Ans: Co⁶⁰ (Cobalt-60)
40. Which chemical is used as insecticide?
Ans: γ-BHC (Gamma Benzene Hexachloride)
41. How many unpaired electrons are present in Cu²⁺?
Ans: 1
42. Which is NOT a transition metal?
Ans: Zn (Zinc)
43. How is pasteurization of milk conducted in dairy farms?
Ans: UV rays
44. What does diazo-coupling reaction between diazonium salt and naphthol produce?
Ans: Red dye
45. What is the chemical formula of Grignard reagent?
Ans: R-Mg-X
46. What is Crown glass?
Ans: Optical glass
47. What is the forbidden gap of an intrinsic semiconductor?
Ans: < 2 eV
48. What is the structure of α-alumina?
Ans: Hexagonal
49. What is the specific gravity of β-quartz?
Ans: 2.53 g/cc
50. Which behaves as the chemically most active non-metal?
Ans: F₂ (Fluorine)
51. What is a mixture of carbon monoxide and hydrogen called?
Ans: Water gas
52. Which fuel has the maximum calorific value?
Ans: LPG
53. What catalyzes the hydrolysis of cane sugar?
Ans: All of the above – H⁺, Enzymes, Mineral acid
54. Which catalyst is used in hydrogenation of oils?
Ans: Ni (Nickel)
55. What is hydrochloric acid also known as?
Ans: Muriatic acid
56. Which element is essential for construction of nuclear reactors?
Ans: Zirconium
57. What crystal structure does Martensitic steel have?
Ans: BCT (Body-Centered Tetragonal)
58. What type of material is (Ni-Mn) ferrite?
Ans: Ferrimagnetic
59. Why is soft iron used in electrical machines?
Ans: Low hysteresis loss and high permeability
Topic 2: Physics
60. If two bulbs of 25W and 100W rated at 220V are connected in series across 440V supply, what happens?
Ans: 25W bulb will fuse
61. What does a tangent galvanometer measure?
Ans: Steady currents
62. In a charged capacitor, where is the energy stored?
Ans: In the electric field between the plates
63. What produces a line spectrum?
Ans: Mercury vapour lamp
64. What technique is used to transmit audio signal in television broadcasting?
Ans: Frequency modulation
Topic 3: Biology
65. What is the diameter of a human hair?
Ans: 50 μm
66. What is the young of cockroaches called?
Ans: Nymph
67. What is the study of microscopic structure of tissues called?
Ans: Histology
68. What is ornithology the study of?
Ans: Birds
69. What causes leaf spot disease of rice?
Ans: Fungus
70. What causes black heart of potato?
Ans: Deficiency of oxygen
71. What is the cell wall of xylem cells rich in?
Ans: Lignin
72. What is the growth movement in plants due to light called?
Ans: Phototropism
73. What is used as bio-fertilizer?
Ans: Azola
74. What causes the red colour of the Red Sea?
Ans: Algae
75. Who discovered bacteria first?
Ans: Leeuwenhoek
76. Who is known as the father of taxonomy?
Ans: Linnaeus
77. What is spermology the study of?
Ans: Seed
78. What is Vitamin B₁₂ also known as?
Ans: None of the above (it is Cobalamin)
Topic 4: Environmental Science
79. What is the most hazardous metal pollutant of automobile batteries?
Ans: Lead
80. What type of pollution does domestic waste cause?
Ans: Biodegradable pollution
81. What is the major aerosol pollutant in jet plane emissions?
Ans: Fluorocarbon
82. In an ecosystem, what shows one-way passage?
Ans: Free energy
83. What is the main source of water and soil pollution?
Ans: All of the above – Agro industry, Thermal power plant, Industrial effluents
84. Which clay has the highest cation exchange capacity (CEC)?
Ans: Bentonite
85. What is responsible for white lung cancer?
Ans: Asbestos
86. Which is NOT a pollutant?
Ans: Alumina
87. How is mercury emitted into air?
Ans: By burning coal
Topic 5: Current Affairs & General Knowledge
88. What is the Federation Cup associated with?
Ans: Tennis
89. When did India win its first Olympic hockey gold?
Ans: 1928
90. What is the term ‘chukker’ used in?
Ans: Polo
91. What is software?
Ans: A set of instructions for your computer
92. What type of software is an operating system?
Ans: System software
93. Without which component can a computer not boot?
Ans: Operating system
94. Who developed PARAM?
Ans: C-DAC
95. What frequency range is used for television broadcasting?
Ans: 30-300 MHz
96. What are modern communication systems based on?
Ans: Combination of analog and digital circuits
97. What is a transistor made of?
Ans: Doped semiconductors
98. Which isotope is used as fuel in nuclear power plants?
Ans: U²³⁵
99. Where is a carbon microphone best used?
Ans: Telephone
TOPIC-WISE SUMMARY
| Topic No. | Topic Name | Question Numbers |
|---|---|---|
| 1 | Chemistry | 1-59 |
| 2 | Physics | 60-64 |
| 3 | Biology | 65-78 |
| 4 | Environmental Science | 79-87 |
| 5 | Current Affairs & General Knowledge | 88-99 |
WBCS MAIN 2017 P-4 Science-Technology & EVS MCQ
Topic 1: Chemistry
1. Natural rubber is a polymer of
A. Isoprene
B. Styrene
C. Vinyl acetate
D. Butadiene
Correct Answer: A. Isoprene
2. Tollen’s reagent is
A. Alkaline mercuric chloride
B. Alkaline potassium permanganate
C. Ammoniacal silver nitrate
D. Ammonium citrate
Correct Answer: C. Ammoniacal silver nitrate
3. Paraffin wax is
A. Ester
B. Alcohol
C. Unsaturated hydrocarbons
D. Saturated hydrocarbons
Correct Answer: D. Saturated hydrocarbons
4. Which one of the following gas is used for artificial ripening of fruits?
A. Methane
B. Acetylene
C. Ethylene
D. Propane
Correct Answer: C. Ethylene
5. Which one of the following materials does not show piezoelectric behavior?
A. Quartz
B. Rochelle salt
C. Rutile
D. Barium titanate
Correct Answer: C. Rutile
6. The melting point of silica is
A. 1723°C
B. 2050°C
C. 2300°C
D. 1810°C
Correct Answer: A. 1723°C
7. The BET study is performed to measure
A. Particle size distribution
B. Specific surface area
C. Dielectric constant
D. Specific gravity
Correct Answer: B. Specific surface area
8. The potash feldspar is known as
A. Orthoclase
B. Albite
C. Anorthite
D. Dickite
Correct Answer: A. Orthoclase
9. The acid employed for etching of glass is
A. HCl
B. HNO₃
C. Aqua-regia
D. HF
Correct Answer: D. HF
10. Which one of the following remains in solid state at room temperature?
A. Cl₂
B. F₂
C. I₂
D. Br₂
Correct Answer: C. I₂
11. Marsh gas contains
A. CO₂
B. CH₄
C. N₂
D. C₂H₆
Correct Answer: B. CH₄
12. Which one of following constitutes the common glass composition?
A. Sodium Silicate
B. Calcium Silicate
C. Calcium and Sodium Silicate
D. Lead Silicate
Correct Answer: C. Calcium and Sodium Silicate
13. Stainless steel contains
A. Fe+Cr+Ni
B. Fe+Ni+Cu
C. Fe+Mn+Cr
D. Fe+Co+Ni
Correct Answer: A. Fe+Cr+Ni
14. Iron loses its magnetic property at
A. Melting point
B. Curie point
C. 1000°C
D. Boiling point
Correct Answer: B. Curie point
15. Bell metal is an alloy of
A. Cu+Sn
B. Cu+Zn
C. Cu+Ni
D. Cu+Mn
Correct Answer: A. Cu+Sn
16. Which element has the greatest ductility property?
A. Cu
B. Ag
C. Au
D. Pt
Correct Answer: C. Au
17. Aluminum is extracted from bauxite by
A. Bayer’s process
B. Downs process
C. Solvay process
D. Oswald process
Correct Answer: A. Bayer’s process
18. The main radioactive element of pitch blende ore is
A. Ra
B. Th
C. U
D. Po
Correct Answer: C. U
19. The maximum consumption of refractories involves in
A. Glass Industries
B. Iron and Steel Plants
C. Cement Plants
D. Petroleum Industries
Correct Answer: B. Iron and Steel Plants
20. The most common element in the universe is
A. Fe
B. Ca
C. Al
D. H
Correct Answer: D. H
21. The process of zone refining is used for ultra-purification of
A. Silicon
B. Germanium
C. Gallium
D. All of the above
Correct Answer: D. All of the above
22. The base composition of whiteware body contains
A. Clay, Quartz and Talc
B. Quartz, Clay and Feldspar
C. Talc, Bauxite and Wollastonite
D. Clay, Gypsum and Feldspar
Correct Answer: B. Quartz, Clay and Feldspar
23. Which of the following metals do not form amalgam?
A. Iron
B. Sodium
C. Zinc
D. Magnesium
Correct Answer: A. Iron
24. Jam-jelly can be preserved by adding small percentage of
A. HCHO
B. EDTA
C. Sodium benzoate
D. CH₃COOH
Correct Answer: C. Sodium benzoate
25. Reverse of swelling of gel is known as
A. Syneresis
B. Intestine
C. Adrenal gland
D. Blood
Correct Answer: A. Syneresis
26. Which one of the following is not peroxide?
A. BaO₂
B. NaO₂
C. H₂O₂
D. MnO₂
Correct Answer: D. MnO₂
27. Atomic packing density in FCC lattice is
A. 0.47
B. 0.68
C. 0.74
D. 1.0
Correct Answer: C. 0.74
28. Water attains maximum density at
A. 0°C
B. 4°F
C. 4 K
D. 4°C
Correct Answer: D. 4°C
29. 4.4 g of CO₂ occupies how many litres of CO₂ at STP?
A. 2.4
B. 2.24
C. 44
D. 22.4
Correct Answer: B. 2.24
30. The aspect ratio is the ratio of
A. x axis : y axis
B. Sinθ : Cosθ
C. Length : Width
D. None of the above
Correct Answer: C. Length : Width
31. Refractive index of a medium is defined by
A. The ratio of the cosine of the angles of incidence and refraction of light is constant when it passes between two given media
B. The ratio of the sine of the angles of refraction and incidence of light is constant when it passes between two given media
C. The ratio of the sine of the angles of incidence and refraction of light is constant when it passes between two given media
D. None of the above
Correct Answer: C. The ratio of the sine of the angles of incidence and refraction of light is constant when it passes between two given media
32. The contact angle of Hg on glass
A. = 90°
B. > 90°
C. < 90°
D. None of the above
Correct Answer: B. > 90°
33. Forward chemical reactions happened only if
A. ΔG = 0
B. ΔG > 0
C. ΔG < 0
D. None of the above
Correct Answer: C. ΔG < 0
34. The gases responsible for green house effect are
A. O₂
B. CO₂
C. N₂
D. SO₂
Correct Answer: B. CO₂
35. Electronic polarization in dielectric materials occurred in frequency around
A. kHz
B. MHz
C. GHz
D. None of the above
Correct Answer: C. GHz
36. Diamond has the Moh’s scale hardness number of
A. 5
B. 7
C. 10
D. 9
Correct Answer: C. 10
37. Bakelite is the product of
A. Addition polymerization
B. Condensation polymerization
C. Co-polymerization
D. None of the above
Correct Answer: B. Condensation polymerization
38. High polymerization of ethylene is done by using
A. Zeolite catalyst
B. V₂O₅ catalyst
C. Zeiglar-Natta catalyst
D. Pt-Mo catalyst
Correct Answer: C. Zeiglar-Natta catalyst
39. The isotope used for cancer therapy
A. I¹⁸⁰
B. Co⁶⁰
C. C¹⁴
D. Ra²²³
Correct Answer: B. Co⁶⁰
40. Chemical used as insecticide is
A. γ-BHC
B. Methyl salicylate
C. Iodofor
D. TNT
Correct Answer: A. γ-BHC
41. Number of unpaired electrons present in Cu²⁺
A. 3
B. 5
C. 1
D. 7
Correct Answer: C. 1
42. Which one of these is not a transitional metal?
A. Ti
B. Cr
C. Ni
D. Zn
Correct Answer: D. Zn
43. Pasteurization of milk in Dairy farm is conducted by
A. Ozone
B. UV rays
C. Chlorine
D. Microwave
Correct Answer: B. UV rays
44. Diazo-coupling reaction between diazonium salt and naphthol produces
A. Green dye
B. Yellow dye
C. Red dye
D. Blue dye
Correct Answer: C. Red dye
45. Chemical formula of Grignard reagent is
A. R-Mg-X
B. R-Ca-X
C. R-Sr-X
D. None of the above
Correct Answer: A. R-Mg-X
46. The Crown glass is an
A. Optical glass
B. Radiation shield glass
C. Safety glass
D. Toughened glass
Correct Answer: A. Optical glass
47. An intrinsic semiconductor has forbidden gap of
A. 2 eV
B. > 2 eV
C. < 2 eV
D. None of the above
Correct Answer: C. < 2 eV
48. The structure of α-alumina is
A. Trigonal
B. Orthorhombic
C. Hexagonal
D. Cubic
Correct Answer: C. Hexagonal
49. The specific gravity of β-quartz is
A. 2.32 g/cc
B. 2.63 g/cc
C. 2.53 g/cc
D. 2.2 g/cc
Correct Answer: C. 2.53 g/cc
50. Which of the following behaves as chemically most active non-metal?
A. F₂
B. He
C. N₂
D. O₂
Correct Answer: A. F₂
51. A mixture of carbon monoxide and hydrogen is called
A. Natural gas
B. Water gas
C. Producer gas
D. None of the above
Correct Answer: B. Water gas
52. Which fuel has the maximum calorific value?
A. Charcoal
B. Kerosene
C. Wood
D. LPG
Correct Answer: D. LPG
53. The hydrolysis of cane sugar is catalyzed by
A. H⁺
B. Enzymes
C. Mineral acid
D. All of the above
Correct Answer: D. All of the above
54. The catalyst used in the hydrogenation of oils is
A. V₂O₅
B. Ni
C. Fe
D. Pt
Correct Answer: B. Ni
55. Hydrochloric acid is also known as
A. Chloric acid
B. Muriatic acid
C. Galic acid
D. Picric acid
Correct Answer: B. Muriatic acid
56. Which one of the following element is essential for the construction of nuclear reactors?
A. Tungsten
B. Platinum
C. Cobalt
D. Zirconium
Correct Answer: D. Zirconium
57. Martensitic steel has following crystal structure:
A. BCC
B. FCC
C. BCT
D. HCP
Correct Answer: C. BCT
58. (Ni-Mn) ferrite is the example of __ material
A. Ferrimagnetic
B. Paramagnetic
C. Ferromagnetic
D. None of the above
Correct Answer: A. Ferrimagnetic
59. Soft iron is used in many parts of electrical machines for its
A. Low hysteresis loss and low permeability
B. High hysteresis loss and low permeability
C. Large density and large retentivity
D. Low hysteresis loss and high permeability
Correct Answer: D. Low hysteresis loss and high permeability
Topic 2: Physics
60. If two bulbs of 25 W and 100 W rated at 220 V, are connected in series across 440 V supply
A. 25 W bulb will fuse
B. 100 W bulb will fuse
C. None of these will fuse
D. Both will fuse
Correct Answer: A. 25 W bulb will fuse
61. Tangent galvanometer is used to measure
A. Steady currents
B. Currents impulses
C. Earth’s magnetic field
D. None of the above
Correct Answer: A. Steady currents
62. In a charged capacitor, the energy is stored as
A. Positive charge
B. Both as positive and negative charge
C. The electric field between the plates
D. The potential energy of the capacitor plates
Correct Answer: C. The electric field between the plates
63. Line spectrum is produced by
A. The Sun
B. Mercury vapour lamp
C. Candle
D. Electric bulb
Correct Answer: B. Mercury vapour lamp
64. The technique used to transmit audio signal in television broadcasting is
A. Amplitude modulation
B. Frequency modulation
C. Pulse code modulation
D. Time division multiplexing
Correct Answer: B. Frequency modulation
Topic 3: Biology
65. The diameter of a human hair is about
A. 50 μm
B. 50 nm
C. 100 μm
D. 100 nm
Correct Answer: A. 50 μm
66. Young of cockroaches is called
A. Ephyra
B. Nymph
C. Maggot
D. Juvenile
Correct Answer: B. Nymph
67. The study of the microscopic structure of tissues, is called
A. Orology
B. Osteology
C. Histology
D. Seromology
Correct Answer: C. Histology
68. Ornithology is the study of
A. Mammal
B. Bat
C. Fishes
D. Birds
Correct Answer: D. Birds
69. Leaf spot disease of rice is caused by
A. Fungus
B. Bacteria
C. Virus
D. None of the above
Correct Answer: A. Fungus
70. Black heart of potato is due to
A. Deficiency of copper
B. Deficiency of boron
C. Deficiency of oxygen
D. Deficiency of potassium
Correct Answer: C. Deficiency of oxygen
71. The cell wall of xylem cells is rich in
A. Starch
B. Protein
C. Lipid
D. Lignin
Correct Answer: D. Lignin
72. Growth movement in plant due to light is called
A. Thigmotropism
B. Phototropism
C. Geotropism
D. Hydrotropism
Correct Answer: B. Phototropism
73. Which of the following is used as bio-fertilizer?
A. Azola
B. Urea
C. Bagasse
D. Clostridium
Correct Answer: A. Azola
74. Red colour of red sea is due to
A. Moss
B. Bacteria
C. Fungi
D. Algae
Correct Answer: D. Algae
75. Bacteria was discovered first by
A. Leeuwenhoek
B. Louis Pasteur
C. Robert Hook
D. Robert Koch
Correct Answer: A. Leeuwenhoek
76. Who is known as father of taxonomy?
A. Angler
B. Aristotle
C. Linnaeus
D. Charles Darwin
Correct Answer: C. Linnaeus
77. Spermology is the study of
A. Leaf
B. Pollen grain
C. Fruit
D. Seed
Correct Answer: D. Seed
78. Vitamin B₁₂ is also known as
A. Pyridoxine
B. Ascorbic acid
C. Riboflavin
D. None of the above
Correct Answer: D. None of the above
Topic 4: Environmental Science
79. Most hazardous metal pollutant of automobile battery is
A. Mercury
B. Cadmium
C. Lead
D. Copper
Correct Answer: C. Lead
80. Domestic waste causes
A. Air pollution
B. Effluents
C. Biodegradable pollution
D. Non-biodegradable pollution
Correct Answer: C. Biodegradable pollution
81. Major aerosol pollutant in jet plane emission is
A. Sulphur dioxide
B. Carbon monoxide
C. Methane
D. Fluorocarbon
Correct Answer: D. Fluorocarbon
82. In ecosystem, which one shows one way passage?
A. Free energy
B. Nitrogen
C. Carbon
D. Potassium
Correct Answer: A. Free energy
83. Main source of water and soil pollution is
A. Agro industry
B. Thermal power plant
C. Industrial effluents
D. All of the above
Correct Answer: D. All of the above
84. Which one of the following clay has the highest cation exchange capacity (CEC)?
A. Bentonite
B. Halloysite
C. Ball clay
D. China clay
Correct Answer: A. Bentonite
85. Which one is responsible for white lung cancer?
A. Asbestos
B. Lead
C. Mercury
D. None of the above
Correct Answer: A. Asbestos
86. Which is not a pollutant?
A. Mercury
B. Arsenic
C. Lead
D. Alumina
Correct Answer: D. Alumina
87. Mercury is emitted into air by
A. Burning coal
B. Burning garbage
C. Steam boiler
D. Diesel engine
Correct Answer: A. Burning coal
Topic 5: Current Affairs & General Knowledge
88. Federation Cup is associated with
A. Cricket
B. Football
C. Tennis
D. Hockey
Correct Answer: C. Tennis
89. India won its first Olympic hockey gold in
A. 1918
B. 1928
C. 1936
D. 1932
Correct Answer: B. 1928
90. The term ‘chukker’ is used in
A. Rifle shooting
B. Horse racing
C. Wrestling
D. Polo
Correct Answer: D. Polo
91. What is software?
A. A type of computer code
B. A computer language
C. A set of instructions for your computer
D. A cover for the computer
Correct Answer: C. A set of instructions for your computer
92. The operating system is the most common type of __ software.
A. System
B. Communication
C. Application
D. None of the above
Correct Answer: A. System
93. A computer cannot boot if it does not have the
A. Compiler
B. Loader
C. Operating system
D. Assembler
Correct Answer: C. Operating system
94. PARAM was developed by
A. IIT Kanpur
B. C-DAC
C. IIT Kharagpur
D. None of the above
Correct Answer: B. C-DAC
95. For television broadcasting, the frequency range employed normally varies from
A. 30-300 MHz
B. 30-300 GHz
C. 30-300 kHz
D. 30-300 Hz
Correct Answer: A. 30-300 MHz
96. Modern communication systems are based on
A. Analog circuits
B. Digital circuits
C. Combination of analog and digital circuits
D. None of the above
Correct Answer: C. Combination of analog and digital circuits
97. A transistor is made of
A. Doped semiconductors
B. Intrinsic semiconductors
C. A metal piece sandwiched between two intrinsic semiconductors
D. None of the above
Correct Answer: A. Doped semiconductors
98. The isotope used as fuel in nuclear power plant is
A. U²³⁵
B. U²³⁸
C. Pu²³⁹
D. U²³⁹
Correct Answer: A. U²³⁵
99. A carbon microphone is best used in
A. Dynamo
B. Telephone
C. Transformer
D. None of the above
Correct Answer: B. Telephone
TOPIC-WISE SUMMARY
| Topic No. | Topic Name | Question Numbers |
|---|---|---|
| 1 | Chemistry | 1-59 |
| 2 | Physics | 60-64 |
| 3 | Biology | 65-78 |
| 4 | Environmental Science | 79-87 |
| 5 | Current Affairs & General Knowledge | 88-99 |