34KU 2012

πŸ“š
EXAM
Kathmandu University Past Questions 2012 (2069)
πŸ“š
TOTAL_QUESTIONS
100
πŸ“š
QUESTIONS
    β—‰ questionNumber: 1
    β—‰ question: Which one of the following pairs of physical quantities has the same dimension?
    β—‰ options:
    β—ˆ a: Power of energy
    β—ˆ b: Work and energy
    β—ˆ c: Force and momentum
    β—ˆ d: Energy and momentum
    β—‰ answer: b
    β—‰ questionNumber: 2
    β—‰ question: A wire of 300 cm long and of cross-section 0.003 cmΒ² increases by 0.5 cm when a force of 10 million dynes is applied on it. The Young's modulus of the wire is:
    β—‰ options:
    β—ˆ a: 4 * 10^12 dynes/cmΒ²
    β—ˆ b: 4 * 10^11 N/mΒ²
    β—ˆ c: 2 * 10^12 dynes/cmΒ²
    β—ˆ d: 10^12 dynes/cmΒ²
    β—‰ answer: 2
    β—‰ questionNumber: 3
    β—‰ question: Two stones A and B are thrown from the top of a tower. The stone A is thrown vertically upward while the stone B is thrown vertically downward with the same speed. Which one of the following statements is true?
    β—‰ options:
    β—ˆ a: Stone A strikes the ground with higher velocity than B
    β—ˆ b: Stone B strikes the ground with higher velocity than A
    β—ˆ c: Both A and B strike the ground with same velocity
    β—ˆ d: A reaches the ground earlier than B
    β—‰ answer: c
    β—‰ questionNumber: 4
    β—‰ question: The equation of a wave traveling in a string can be written as y = 3 cos Ο€ (100t - x). Its wavelength is:
    β—‰ options:
    β—ˆ a: 3 cm
    β—ˆ b: 2 cm
    β—ˆ c: 100 cm
    β—ˆ d: 5 cm
    β—‰ answer: b
    β—‰ questionNumber: 5
    β—‰ question: A person weighing 80 kg is standing on a lift moving upward with a uniform acceleration 4.9 m/sΒ². The apparent weight of the person is:
    β—‰ options:
    β—ˆ a: 80 kg
    β—ˆ b: 160 kg
    β—ˆ c: 40 kg
    β—ˆ d: 120 kg
    β—‰ answer: d
    β—‰ questionNumber: 6
    β—‰ question: If the period of oscillation of mass M suspended from a spring is 1s, then the period of the oscillation of mass 4M will be:
    β—‰ options:
    β—ˆ a: 2 sec
    β—ˆ b: 1/2 sec
    β—ˆ c: 1/4 sec
    β—ˆ d: 4 sec
    β—‰ answer: a
    β—‰ questionNumber: 7
    β—‰ question: A uniform heavy disc is rotating with constant angular velocity about a vertical axis through its center. Some wax is dropped gently on the disc near to the edge. The angular velocity of the disc:
    β—‰ options:
    β—ˆ a: Decreases
    β—ˆ b: Becomes zero
    β—ˆ c: Increases
    β—ˆ d: Does not change
    β—‰ answer: a
    β—‰ questionNumber: 8
    β—‰ question: Sound quality of a portable radio is improved by adjusting the orientation of the aerial. Which statement is a correct explanation for this improvement?
    β—‰ options:
    β—ˆ a: The radio waves from the transmitter are polarized
    β—ˆ b: The radio waves from the transmitter are unpolarized
    β—ˆ c: The radio waves become polarized as a result of adjusting the aerial
    β—ˆ d: The radio waves become unpolarized as a result of adjusting the aerial
    β—‰ answer: a
    β—‰ questionNumber: 9
    β—‰ question: A listener is moving away from a stationary source of sound. The listener hears a sound of frequency:
    β—‰ options:
    β—ˆ a: Higher than the source frequency
    β—ˆ b: Lower than the source frequency
    β—ˆ c: Same as that of the source frequency
    β—ˆ d: Either (a) or (c)
    β—‰ answer: b
    β—‰ questionNumber: 10
    β—‰ question: The fact that light can be polarized exhibits that light:
    β—‰ options:
    β—ˆ a: Travels in the form of particles
    β—ˆ b: Is an electromagnetic wave
    β—ˆ c: Is a longitudinal wave
    β—ˆ d: Is a transverse wave
    β—‰ answer: d
    β—‰ questionNumber: 11
    β—‰ question: Seventy calories of heat is required to raise the temperature of 2 moles of an ideal gas at constant pressure from 30Β°C to 35Β°C. The amount of heat required to raise the temperature of the same gas through the same range at constant volume is equal to:
    β—‰ options:
    β—ˆ a: 30 cal
    β—ˆ b: 70 cal
    β—ˆ c: 50 cal
    β—ˆ d: 90 cal
    β—‰ answer: c
    β—‰ questionNumber: 12
    β—‰ question: In an adiabatic process on a gas with Ξ³ = 1.4, the pressure is increased by 0.5%. The volume of the gas decreases by:
    β—‰ options:
    β—ˆ a: 0.36%
    β—ˆ b: 0.7%
    β—ˆ c: 0.5%
    β—ˆ d: 2%
    β—‰ answer: a
    β—‰ questionNumber: 13
    β—‰ question: When two capillary tubes of different diameters are dipped vertically in liquid, the height of the liquid is:
    β—‰ options:
    β—ˆ a: More in the tube of larger diameter
    β—ˆ b: Less in the tube of smaller diameter
    β—ˆ c: More in the tube of smaller diameter
    β—ˆ d: Same in both tubes
    β—‰ answer: c
    β—‰ questionNumber: 14
    β—‰ question: Two thin lenses of focal lengths 10 cm and 20 cm are placed in contact. Its combined focal length is:
    β—‰ options:
    β—ˆ a: 30 cm
    β—ˆ b: 10 cm
    β—ˆ c: 20 cm
    β—ˆ d: 6.66 cm
    β—‰ answer: d
    β—‰ questionNumber: 15
    β—‰ question: In a system, the electric field at the origin is along the positive x-axis. A small circle is drawn with the center as the origin cutting the axes at the points A, B, C and D having coordinates (a, 0), (0, a), (-a, 0) and (0, -a) respectively. Out of the points on the periphery of the circle, the potential is minimum at:
    β—‰ options:
    β—ˆ a: A
    β—ˆ b: C
    β—ˆ c: B
    β—ˆ d: D
    β—‰ answer: a
    β—‰ questionNumber: 16
    β—‰ question: A galvanometer can be converted to a voltmeter by connecting:
    β—‰ options:
    β—ˆ a: A low resistance in series
    β—ˆ b: A low resistance in parallel
    β—ˆ c: A high resistance in series
    β—ˆ d: A high resistance in parallel
    β—‰ answer: c
    β—‰ questionNumber: 17
    β—‰ question: A sound wave has intensity 10^-9 W/mΒ². The intensity level in dB is equal to:
    β—‰ options:
    β—ˆ a: 30
    β—ˆ b: 0
    β—ˆ c: 90
    β—ˆ d: 12
    β—‰ answer: a
    β—‰ questionNumber: 18
    β—‰ question: If n represents the energy level in an atom, in which of the following transition will the wavelength be minimum?
    β—‰ options:
    β—ˆ a: n = 5 to n = 4
    β—ˆ b: n = 3 to n = 2
    β—ˆ c: n = 4 to n = 3
    β—ˆ d: n = 2 to n = 1
    β—‰ answer: d
    β—‰ questionNumber: 19
    β—‰ question: The half life of a radioactive substance is 20 min. Difference between the points of time when it is 33% disintegrated and 67% disintegrated is approximately:
    β—‰ options:
    β—ˆ a: 10 min
    β—ˆ b: 30 min
    β—ˆ c: 20 min
    β—ˆ d: 40 min
    β—‰ answer: c
    β—‰ questionNumber: 20
    β—‰ question: The speed of light depends:
    β—‰ options:
    β—ˆ a: On elasticity of the medium only
    β—ˆ b: On inertia of the medium only
    β—ˆ c: On elasticity as well as inertia
    β—ˆ d: Neither on elasticity nor on inertia
    β—‰ answer: d
    β—‰ questionNumber: 21
    β—‰ question: Which one of the following statements is true for cathode rays?
    β—‰ options:
    β—ˆ a: It is stream of positively charged particles
    β—ˆ b: It emits x-rays on striking a metal
    β—ˆ c: It is an electromagnetic wave
    β—ˆ d: It is not deflected by magnetic field
    β—‰ answer: b
    β—‰ questionNumber: 22
    β—‰ question: As the temperature of a metallic resistor is increased, the product of its resistivity and conductivity:
    β—‰ options:
    β—ˆ a: Increases
    β—ˆ b: Decreases
    β—ˆ c: Remains constant
    β—ˆ d: May increase or decrease
    β—‰ answer: c
    β—‰ questionNumber: 23
    β—‰ question: Which of the following is a mechanical wave?
    β—‰ options:
    β—ˆ a: Radio waves
    β—ˆ b: Light waves
    β—ˆ c: X-rays
    β—ˆ d: Sound waves
    β—‰ answer: d
    β—‰ questionNumber: 24
    β—‰ question: Which of the following parameters is the same for molecules of all gases at a given temperature?
    β—‰ options:
    β—ˆ a: Mass
    β—ˆ b: Momentum
    β—ˆ c: Speed
    β—ˆ d: Kinetic energy
    β—‰ answer: d
    β—‰ questionNumber: 25
    β—‰ question: Transformers are used:
    β—‰ options:
    β—ˆ a: In DC circuits only
    β—ˆ b: In AC circuits only
    β—ˆ c: In both DC and AC circuits
    β—ˆ d: Neither in DC nor in AC circuits
    β—‰ answer: b
    β—‰ questionNumber: 26
    β—‰ question: A compass needle is allowed to move in horizontal plane is taken to a geomagnetic pole. It:
    β—‰ options:
    β—ˆ a: will stay in north-south direction only
    β—ˆ b: will stay in east-west direction only
    β—ˆ c: will become rigid showing no movement
    β—ˆ d: will stay in any position
    β—‰ answer: d
    β—‰ questionNumber: 27
    β—‰ question: For a constant volume gas thermometer, one should fill the gas at:
    β—‰ options:
    β—ˆ a: Low temperature and low pressure
    β—ˆ b: Low temperature and high pressure
    β—ˆ c: High temperature and low pressure
    β—ˆ d: High temperature and high pressure
    β—‰ answer: c
    β—‰ questionNumber: 28
    β—‰ question: The energy density in the electric field created by a point charge falls off with the distance from the point charge as:
    β—‰ options:
    β—ˆ a: r^-2
    β—ˆ b: r^-3
    β—ˆ c: r^-1
    β—ˆ d: r^-4
    β—‰ answer: d
    β—‰ questionNumber: 29
    β—‰ question: In a laser tube, all the photons:
    β—‰ options:
    β—ˆ a: Have same wavelength
    β—ˆ b: Have same energy
    β—ˆ c: Move in same direction
    β—ˆ d: Move with same speed
    β—‰ answer: c
    β—‰ questionNumber: 30
    β—‰ question: An electric dipole is placed in a uniform electric field. The net electric force on the dipole:
    β—‰ options:
    β—ˆ a: Is always zero
    β—ˆ b: Depends on the orientation of the dipole
    β—ˆ c: Can never be zero
    β—ˆ d: Depends on the strength of the dipole
    β—‰ answer: a
    β—‰ questionNumber: 31
    β—‰ question: Which of the following reactions when heated quickly produces small amount of chlorine gas?
    β—‰ options:
    β—ˆ a: NaCl + HNO3
    β—ˆ b: HCl + KMnO4
    β—ˆ c: HCl + Br2
    β—ˆ d: NaCl + MnO2
    β—‰ answer: b
    β—‰ questionNumber: 32
    β—‰ question: An element mixes safely with hydrogen in the dark, but rather explosively with hydrogen in light. The element is:
    β—‰ options:
    β—ˆ a: Chlorine
    β—ˆ b: Phosphorus
    β—ˆ c: Fluorine
    β—ˆ d: Nitrogen
    β—‰ answer: a
    β—‰ questionNumber: 33
    β—‰ question: The type of precipitate that is most difficult to filter in quantitative analysis is:
    β—‰ options:
    β—ˆ a: Curdy
    β—ˆ b: Insoluble
    β—ˆ c: Gelatinous
    β—ˆ d: Crystalline
    β—‰ answer: c
    β—‰ questionNumber: 34
    β—‰ question: Which of the salts below will produce an alkaline solution when dissolved in water?
    β—‰ options:
    β—ˆ a: NH4Cl
    β—ˆ b: Na2CO3
    β—ˆ c: NaNO3
    β—ˆ d: NaCl
    β—‰ answer: b
    β—‰ questionNumber: 35
    β—‰ question: If a copper bearing material weight 40.00 gm yielded 5.00 gm of CuO, the percentage of copper (atomic mass of Cu = 63.55) in the sample is:
    β—‰ options:
    β—ˆ a: 79.88%
    β—ˆ b: 12.50%
    β—ˆ c: 15.65%
    β—ˆ d: 9.99%
    β—‰ answer: d
    β—‰ questionNumber: 36
    β—‰ question: The orbitals providing the most efficient overlap are:
    β—‰ options:
    β—ˆ a: s-s
    β—ˆ b: spΒ²-spΒ²
    β—ˆ c: sp-sp
    β—ˆ d: spΒ³-spΒ³
    β—‰ answer: c
    β—‰ questionNumber: 37
    β—‰ question: Which of the following elements is the component of wood's metal?
    β—‰ options:
    β—ˆ a: Bismuth
    β—ˆ b: Lead
    β—ˆ c: Titanium
    β—ˆ d: Cadmium
    β—‰ answer: c
    β—‰ questionNumber: 38
    β—‰ question: What is the systematic name for the following compound? [A cyclohexane ring with a -CHO group attached]
    β—‰ options:
    β—ˆ a: Benzaldehyde
    β—ˆ b: Cyclohexanecarbaldehyde
    β—ˆ c: Cyclohexanol
    β—ˆ d: Cyclohexanal
    β—‰ answer: b
    β—‰ questionNumber: 39
    β—‰ question: Ethanol boils at 78.5Β°C. If 34.2 gm of sugar (Mw = 342) is dissolved in 200.0 gm of ethanol, at what temperature will the solution boil? (Assume Kb = 1.20Β° C/m for the alcohol)
    β—‰ options:
    β—ˆ a: 79.1Β°C
    β—ˆ b: 0.60Β°C
    β—ˆ c: 80.5Β°C
    β—ˆ d: 77.9Β°C
    β—‰ answer: a
    β—‰ questionNumber: 40
    β—‰ question: Magnetite (Fe3O4) can be converted into metallic iron by heating with carbon monoxide as represented by this equation: Fe3O4(s) + 4CO(g) -> 3Fe(s) + 4CO2(g). What mass of Fe3O4 must be processed in this way to obtain 5.00 kg of iron if the process is 85% efficient?
    β—‰ options:
    β—ˆ a: 6.90 kg
    β—ˆ b: 20.8 kg
    β—ˆ c: 8.12 kg
    β—ˆ d: 24.4 kg
    β—‰ answer: c
    β—‰ questionNumber: 41
    β—‰ question: In an adiabatic system, if work is done on the system, the temperature must:
    β—‰ options:
    β—ˆ a: Decrease
    β—ˆ b: Increase
    β—ˆ c: Increase then decrease
    β—ˆ d: Remain constant
    β—‰ answer: b
    β—‰ questionNumber: 42
    β—‰ question: What pressure would be required to compress 1.00 mol of oxygen into a 5.00 L container held at 100Β°C?
    β—‰ options:
    β—ˆ a: 12.24 atm
    β—ˆ b: 1.64 atm
    β—ˆ c: 6.12 atm
    β—ˆ d: 3.76 atm
    β—‰ answer: c
    β—‰ questionNumber: 43
    β—‰ question: Which of the following compounds undergoes electrophilic addition reaction?
    β—‰ options:
    β—ˆ a: Benzaldehyde
    β—ˆ b: Ethoxyethane
    β—ˆ c: Benzoic acid
    β—ˆ d: Propene
    β—‰ answer: d
    β—‰ questionNumber: 44
    β—‰ question: What concentration of NaCl finally results from the mixing of 2.00 L of 4.00 M NaCl with 3.00 L of 1.50 M NaCl plus sufficient water to dilute the solution to 10.0 L?
    β—‰ options:
    β—ˆ a: 4.10 M
    β—ˆ b: 1.25 M
    β—ˆ c: 2.05 M
    β—ˆ d: 2.75 M
    β—‰ answer: b
    β—‰ questionNumber: 45
    β—‰ question: Treatment of 1-phenylethanone with hydrazine in presence of sodium hydroxide produces ethyl benzene. This reaction is known as:
    β—‰ options:
    β—ˆ a: Wolff-Kishner reduction
    β—ˆ b: Aldol condensation
    β—ˆ c: Claisen condensation
    β—ˆ d: Williamson synthesis
    β—‰ answer: a
    β—‰ questionNumber: 46
    β—‰ question: Determine the Ksp of MX2 if a saturated solution contains 0.02 moles/100 mL of water.
    β—‰ options:
    β—ˆ a: 0.04
    β—ˆ b: 0.20
    β—ˆ c: 0.16
    β—ˆ d: 0.032
    β—‰ answer: d
    β—‰ questionNumber: 47
    β—‰ question: The polymer teflon is obtained by polymerization of:
    β—‰ options:
    β—ˆ a: Tetrafluoroethane
    β—ˆ b: Tetrafluoroethene
    β—ˆ c: Phenol and formaldehyde
    β—ˆ d: Tetrafluoromethane
    β—‰ answer: b
    β—‰ questionNumber: 48
    β—‰ question: Which of the following is not a disaccharide?
    β—‰ options:
    β—ˆ a: Lactose
    β—ˆ b: Maltose
    β—ˆ c: Mannose
    β—ˆ d: Sucrose
    β—‰ answer: c
    β—‰ questionNumber: 49
    β—‰ question: Which statement about an element in the Periodic Table is correct?
    β—‰ options:
    β—ˆ a: Magnesium is a metalloid, has a giant structure and is a good conductor of electricity
    β—ˆ b: Silicon is a metalloid, has a simple molecular structure and is a semi-conductor of electricity
    β—ˆ c: Sodium is a metal, has a giant structure and is a good conductor of electricity
    β—ˆ d: Sulphur is a non-metal, has a giant structure and is a poor conductor of electricity
    β—‰ answer: c
    β—‰ questionNumber: 50
    β—‰ question: Which of the following aldehydes, used alone, will undergo and aldol reaction?
    β—‰ options:
    β—ˆ a: Formaldehyde, CH2O
    β—ˆ b: Benzaldehyde, C6H5CHO
    β—ˆ c: Butanal, CH3(CH2)2CHO
    β—ˆ d: Propenal, CH2=CHCHO
    β—‰ answer: c
    β—‰ questionNumber: 51
    β—‰ question: A container of gas is allowed to expand so that its volume triples. What would happens to the temperature of the gas?
    β—‰ options:
    β—ˆ a: It stays constant
    β—ˆ b: It increases
    β—ˆ c: It decreases
    β—ˆ d: The direction of the temperature change would depend on the PV work by the expansion of the gas
    β—‰ answer: d
    β—‰ questionNumber: 52
    β—‰ question: Which of the following concentration measure changes as the temperature of a solution changes?
    β—‰ options:
    β—ˆ a: Mass percentage
    β—ˆ b: Molality
    β—ˆ c: Mole fraction
    β—ˆ d: Molarity
    β—‰ answer: d
    β—‰ questionNumber: 53
    β—‰ question: In a redox reaction, the reducing agent:
    β—‰ options:
    β—ˆ a: Gains electrons and reduced
    β—ˆ b: Gains electrons and is oxidized
    β—ˆ c: Loses electrons and is oxidized
    β—ˆ d: Loses electrons and is reduced
    β—‰ answer: c
    β—‰ questionNumber: 54
    β—‰ question: The increasing vapor pressure caused by heating a liquid is due to:
    β—‰ options:
    β—ˆ a: Increased intermolecular interactions
    β—ˆ b: Increasing potential energy of molecules
    β—ˆ c: Increasing kinetic energy of molecules
    β—ˆ d: Decreasing surface tension
    β—‰ answer: c
    β—‰ questionNumber: 55
    β—‰ question: Which atom has the highest ratio of unpaired electrons to paired electrons in its ground state?
    β—‰ options:
    β—ˆ a: Boron
    β—ˆ b: Nitrogen
    β—ˆ c: Carbon
    β—ˆ d: Oxygen
    β—‰ answer: b
    β—‰ questionNumber: 56
    β—‰ question: Cane sugar on hydrolysis gives:
    β—‰ options:
    β—ˆ a: Glucose and Lactose
    β—ˆ b: Glucose and Maltose
    β—ˆ c: Glucose and Fructose
    β—ˆ d: Only Glucose
    β—‰ answer: c
    β—‰ questionNumber: 57
    β—‰ question: Ξ²-rays emitted by the radio-active material are:
    β—‰ options:
    β—ˆ a: Electromagnetic radiation
    β—ˆ b: Neutral Particles
    β—ˆ c: Both a and b
    β—ˆ d: Charged particles emitted by the nucleus
    β—‰ answer: d
    β—‰ questionNumber: 58
    β—‰ question: The conversion shown below may best be described as which of the following types of reaction? [Reaction turning a cyclohexanone ring into cyclohexane]
    β—‰ options:
    β—ˆ a: Addition
    β—ˆ b: Reduction
    β—ˆ c: Substitution
    β—ˆ d: Addition and reduction
    β—‰ answer: b
    β—‰ questionNumber: 59
    β—‰ question: Acetic acid and methanol are obtained on a large scale by destructive distillation of:
    β—‰ options:
    β—ˆ a: Wood
    β—ˆ b: Turpentine
    β—ˆ c: Coal
    β—ˆ d: Crude oil
    β—‰ answer: a
    β—‰ questionNumber: 60
    β—‰ question: The solution of sulphuric acid contains 80% by weight H2SO4. Specific gravity of this solution is 1.71. Its normality is about:
    β—‰ options:
    β—ˆ a: 18.2
    β—ˆ b: 7
    β—ˆ c: 28.2
    β—ˆ d: 10.2
    β—‰ answer: c
    β—‰ questionNumber: 61
    β—‰ question: If a cross between two individuals produces offsprings with 50% dominant character (A) and 50% recessive character (a) the genotype of parents is:
    β—‰ options:
    β—ˆ a: Aa * aa
    β—ˆ b: AA * aa
    β—ˆ c: AA * Aa
    β—ˆ d: Aa * Aa
    β—‰ answer: a
    β—‰ questionNumber: 62
    β—‰ question: Ovule integument gets transformed into:
    β—‰ options:
    β—ˆ a: Seed
    β—ˆ b: Seed coat
    β—ˆ c: Fruit wall
    β—ˆ d: Cotyledons
    β—‰ answer: b
    β—‰ questionNumber: 63
    β—‰ question: Which of the following structures help in respiration of lichen?
    β—‰ options:
    β—ˆ a: Cephalodia
    β—ˆ b: Isidia
    β—ˆ c: Soredia
    β—ˆ d: Cyphellae
    β—‰ answer: d
    β—‰ questionNumber: 64
    β—‰ question: Spindle fiber is made up of:
    β—‰ options:
    β—ˆ a: Hemulin
    β—ˆ b: Flagellin
    β—ˆ c: Intermediate filament
    β—ˆ d: Tubulin
    β—‰ answer: d
    β—‰ questionNumber: 65
    β—‰ question: Inheritance of ABO group shows:
    β—‰ options:
    β—ˆ a: Polygeny
    β—ˆ b: Incomplete dominance
    β—ˆ c: Polyloidy
    β—ˆ d: Multiple allelism
    β—‰ answer: d
    β—‰ questionNumber: 66
    β—‰ question: Gene mutation is due to:
    β—‰ options:
    β—ˆ a: Reproduction
    β—ˆ b: Linkage
    β—ˆ c: Changes in the sequence of gene in DNA
    β—ˆ d: Changes in the sequence of nitrogen bases
    β—‰ answer: d
    β—‰ questionNumber: 67
    β—‰ question: Mucor and Rhizopus belong to:
    β—‰ options:
    β—ˆ a: Zygomycota
    β—ˆ b: Basidiomycota
    β—ˆ c: Deuteromycota
    β—ˆ d: Ascomycota
    β—‰ answer: a
    β—‰ questionNumber: 68
    β—‰ question: Which one of the following is mainly responsible for Green House Effect?
    β—‰ options:
    β—ˆ a: SO2
    β—ˆ b: CO
    β—ˆ c: CO2
    β—ˆ d: O2
    β—‰ answer: c
    β—‰ questionNumber: 69
    β—‰ question: The food chain in which microorganisms break down the energy rich compounds synthesized by producers is:
    β—‰ options:
    β—ˆ a: Predator food chain
    β—ˆ b: Detritus food chain
    β—ˆ c: Parasitic food chain
    β—ˆ d: Herbivore food chain
    β—‰ answer: b
    β—‰ questionNumber: 70
    β—‰ question: Most of Lichens are formed by:
    β—‰ options:
    β—ˆ a: Blue green algae and Basidomycetes
    β—ˆ b: Blue green algae and Ascomycetes
    β—ˆ c: Red algae and Phycomycetes
    β—ˆ d: Brown algae and Ascomycetes
    β—‰ answer: b
    β—‰ questionNumber: 71
    β—‰ question: In cell division, the phase following the metaphase is known as:
    β—‰ options:
    β—ˆ a: Prophase
    β—ˆ b: Telophase
    β—ˆ c: Anaphase
    β—ˆ d: Exophase
    β—‰ answer: c
    β—‰ questionNumber: 72
    β—‰ question: The types of ribosomes found in prokaryotic cell are:
    β—‰ options:
    β—ˆ a: 100S
    β—ˆ b: 60S
    β—ˆ c: 80S
    β—ˆ d: 70S
    β—‰ answer: d
    β—‰ questionNumber: 73
    β—‰ question: A virus must do what to reproduce:
    β—‰ options:
    β—ˆ a: Form a latent virus
    β—ˆ b: Infect a cell
    β—ˆ c: Undergo transformation
    β—ˆ d: Conjugate
    β—‰ answer: b
    β—‰ questionNumber: 74
    β—‰ question: Which one of the following is an example of chlorophyllous thallophyte?
    β—‰ options:
    β—ˆ a: Volvariella
    β—ˆ b: Nephrolepis
    β—ˆ c: Spirogyra
    β—ˆ d: Gnetum
    β—‰ answer: c
    β—‰ questionNumber: 75
    β—‰ question: The number of ATP produced when a molecule of glucose undergoes fermentation is:
    β—‰ options:
    β—ˆ a: 4
    β—ˆ b: 2
    β—ˆ c: 36
    β—ˆ d: 38
    β—‰ answer: b
    β—‰ questionNumber: 76
    β—‰ question: The two strands of DNA are:
    β—‰ options:
    β—ˆ a: Similar in structure and complementary
    β—ˆ b: Antiparallel and complementary
    β—ˆ c: Basically different in nature
    β—ˆ d: Parallel and complementary
    β—‰ answer: b
    β—‰ questionNumber: 77
    β—‰ question: Which is a sudden change in a gene or chromosome?
    β—‰ options:
    β—ˆ a: Allele
    β—ˆ b: Mutation
    β—ˆ c: Genotype
    β—ˆ d: Phenotype
    β—‰ answer: b
    β—‰ questionNumber: 78
    β—‰ question: During which phase of the cell cycle are normal components of the cell synthesized and assembled?
    β—‰ options:
    β—ˆ a: M phase
    β—ˆ b: S phase
    β—ˆ c: G1 phase
    β—ˆ d: G2 phase
    β—‰ answer: c
    β—‰ questionNumber: 79
    β—‰ question: Vascular plants lacking seeds are:
    β—‰ options:
    β—ˆ a: Algae
    β—ˆ b: Pteridophytes
    β—ˆ c: Bryophytes
    β—ˆ d: Gymnosperms
    β—‰ answer: b
    β—‰ questionNumber: 80
    β—‰ question: Both eukaryotes and prokaryotes cells have these organelles:
    β—‰ options:
    β—ˆ a: Ribosomes
    β—ˆ b: Golgi apparatus
    β—ˆ c: Mitochondria
    β—ˆ d: Chloroplasts
    β—‰ answer: a
    β—‰ questionNumber: 81
    β—‰ question: The science of the classification of animals and plants is known as:
    β—‰ options:
    β—ˆ a: Geometrics
    β—ˆ b: Biometrics
    β—ˆ c: Systematics
    β—ˆ d: Zoometrics
    β—‰ answer: c
    β—‰ questionNumber: 82
    β—‰ question: Pieces of plant tissue used in tissue culture is called:
    β—‰ options:
    β—ˆ a: Explant
    β—ˆ b: Inoculant
    β—ˆ c: Somaclone
    β—ˆ d: Clone
    β—‰ answer: a
    β—‰ questionNumber: 83
    β—‰ question: Muscle controlling the passage of the urine from the bladder to the urethra in vertebrates:
    β—‰ options:
    β—ˆ a: Cardiac muscle
    β—ˆ b: Skeletal muscle
    β—ˆ c: Sphincter muscle
    β—ˆ d: Smooth muscle
    β—‰ answer: c
    β—‰ questionNumber: 84
    β—‰ question: A condition when the blood glucose level exceeds its normal value is called:
    β—‰ options:
    β—ˆ a: Hypertension
    β—ˆ b: Hyperglycine
    β—ˆ c: Hyperglycemia
    β—ˆ d: Hyperglycosuria
    β—‰ answer: c
    β—‰ questionNumber: 85
    β—‰ question: Which of the following enzymes is not proteinacious in nature?
    β—‰ options:
    β—ˆ a: Trypsin
    β—ˆ b: Pepsin
    β—ˆ c: Rennin
    β—ˆ d: Ribozyme
    β—‰ answer: d
    β—‰ questionNumber: 86
    β—‰ question: Anaemia may be caused by:
    β—‰ options:
    β—ˆ a: Hookworm
    β—ˆ b: Roundworm
    β—ˆ c: Earthworm
    β—ˆ d: Tapeworm
    β—‰ answer: a
    β—‰ questionNumber: 87
    β—‰ question: Which one of the following statement is correct:
    β—‰ options:
    β—ˆ a: Animal cell has cell wall
    β—ˆ b: Sperm is zygote
    β—ˆ c: Dentine is a calcified tissue
    β—ˆ d: Heart is made up of neurons
    β—‰ answer: c
    β—‰ questionNumber: 88
    β—‰ question: What are the main cells of which poriferans outer walls are made?
    β—‰ options:
    β—ˆ a: Pinacocytes
    β—ˆ b: Choanocytes
    β—ˆ c: Porocytes
    β—ˆ d: Amoebocytes
    β—‰ answer: a
    β—‰ questionNumber: 89
    β—‰ question: Echinoderms live in:
    β—‰ options:
    β—ˆ a: Freshwater
    β—ˆ b: Groundwater
    β—ˆ c: Marine water
    β—ˆ d: Rainwater
    β—‰ answer: c
    β—‰ questionNumber: 90
    β—‰ question: Name the hormone that has no role in menstruation:
    β—‰ options:
    β—ˆ a: LH
    β—ˆ b: GH
    β—ˆ c: FSH
    β—ˆ d: TSH
    β—‰ answer: b
    β—‰ questionNumber: 91
    β—‰ question: Which one of the human cell do not contain mitochondria?
    β—‰ options:
    β—ˆ a: Nerve cells
    β—ˆ b: Red blood cells
    β—ˆ c: Liver cells
    β—ˆ d: White blood cells
    β—‰ answer: b
    β—‰ questionNumber: 92
    β—‰ question: Which of the following is the correct pathway for propagation of cardiac impulse?
    β—‰ options:
    β—ˆ a: SA node -> AV node -> Bundle of His -> Purkinje fibers
    β—ˆ b: AV node -> Bundle of His -> SA node -> Purkinje fibers
    β—ˆ c: SA node -> Purkinje fibre -> AV node -> Bundle of His
    β—ˆ d: Purkinje fibres -> AV node -> SA node -> Bundle of His
    β—‰ answer: a
    β—‰ questionNumber: 93
    β—‰ question: Which one of the following animal phyla does not possess a coelom?
    β—‰ options:
    β—ˆ a: Platyhelminthes
    β—ˆ b: Mollusca
    β—ˆ c: Annelid
    β—ˆ d: Echinodermata
    β—‰ answer: a
    β—‰ questionNumber: 94
    β—‰ question: Which centre is stimulated during increase in body temperature?
    β—‰ options:
    β—ˆ a: Anterior hypothalamus
    β—ˆ b: Limbic system
    β—ˆ c: Posterior hypothalamus
    β—ˆ d: Red nucleus
    β—‰ answer: a
    β—‰ questionNumber: 95
    β—‰ question: The conversion of protein waste, the ammonia into urea occurs mainly in:
    β—‰ options:
    β—ˆ a: Kidney
    β—ˆ b: Liver
    β—ˆ c: Lungs
    β—ˆ d: Intestine
    β—‰ answer: b
    β—‰ questionNumber: 96
    β—‰ question: Protozoan group with two nuclei, macronucleus and micronucleus is:
    β—‰ options:
    β—ˆ a: Flagellata
    β—ˆ b: Ciliata
    β—ˆ c: Sarcodina
    β—ˆ d: Sporozoa
    β—‰ answer: b
    β—‰ questionNumber: 97
    β—‰ question: The term 'Biology' was coined by:
    β—‰ options:
    β—ˆ a: Aristotle
    β—ˆ b: Lamarck and Treviranus
    β—ˆ c: Theophrastus
    β—ˆ d: Hippocrates
    β—‰ answer: b
    β—‰ questionNumber: 98
    β—‰ question: By the statement, 'survival of the fittest', Darwin meant that:
    β—‰ options:
    β—ˆ a: The strongest of all species survives
    β—ˆ b: The most intelligent of the species survives
    β—ˆ c: The cleverest of the species survives
    β—ˆ d: The most adaptable of the species to change survives
    β—‰ answer: d
    β—‰ questionNumber: 99
    β—‰ question: Causative agent of Malaria is:
    β—‰ options:
    β—ˆ a: Bacteria
    β—ˆ b: Protozoa
    β—ˆ c: Virus
    β—ˆ d: Helminth
    β—‰ answer: b
    β—‰ questionNumber: 100
    β—‰ question: Total number of oxygen molecules that can bind to a single haemoglobin molecule under normal partial pressure:
    β—‰ options:
    β—ˆ a: 8
    β—ˆ b: 2
    β—ˆ c: 6
    β—ˆ d: 4
    β—‰ answer: d