📚
EXAM
Kathmandu University Past Questions 2012 (2069)
📚
TOTAL_QUESTIONS
100
📚
QUESTIONS
◉ questionNumber: 1
◉ question: Which one of the following pairs of physical quantities has the same dimension?
◉ options:
◈ a: Power of energy
◈ b: Work and energy
◈ c: Force and momentum
◈ d: Energy and momentum
◉ answer: b
◉ questionNumber: 2
◉ question: A wire of 300 cm long and of cross-section 0.003 cm² increases by 0.5 cm when a force of 10 million dynes is applied on it. The Young's modulus of the wire is:
◉ options:
◈ a: 4 * 10^12 dynes/cm²
◈ b: 4 * 10^11 N/m²
◈ c: 2 * 10^12 dynes/cm²
◈ d: 10^12 dynes/cm²
◉ answer: 2
◉ questionNumber: 3
◉ 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?
◉ options:
◈ a: Stone A strikes the ground with higher velocity than B
◈ b: Stone B strikes the ground with higher velocity than A
◈ c: Both A and B strike the ground with same velocity
◈ d: A reaches the ground earlier than B
◉ answer: c
◉ questionNumber: 4
◉ question: The equation of a wave traveling in a string can be written as y = 3 cos π (100t - x). Its wavelength is:
◉ options:
◈ a: 3 cm
◈ b: 2 cm
◈ c: 100 cm
◈ d: 5 cm
◉ answer: b
◉ questionNumber: 5
◉ question: A person weighing 80 kg is standing on a lift moving upward with a uniform acceleration 4.9 m/s². The apparent weight of the person is:
◉ options:
◈ a: 80 kg
◈ b: 160 kg
◈ c: 40 kg
◈ d: 120 kg
◉ answer: d
◉ questionNumber: 6
◉ 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:
◉ options:
◈ a: 2 sec
◈ b: 1/2 sec
◈ c: 1/4 sec
◈ d: 4 sec
◉ answer: a
◉ questionNumber: 7
◉ 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:
◉ options:
◈ a: Decreases
◈ b: Becomes zero
◈ c: Increases
◈ d: Does not change
◉ answer: a
◉ questionNumber: 8
◉ 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?
◉ options:
◈ a: The radio waves from the transmitter are polarized
◈ b: The radio waves from the transmitter are unpolarized
◈ c: The radio waves become polarized as a result of adjusting the aerial
◈ d: The radio waves become unpolarized as a result of adjusting the aerial
◉ answer: a
◉ questionNumber: 9
◉ question: A listener is moving away from a stationary source of sound. The listener hears a sound of frequency:
◉ options:
◈ a: Higher than the source frequency
◈ b: Lower than the source frequency
◈ c: Same as that of the source frequency
◈ d: Either (a) or (c)
◉ answer: b
◉ questionNumber: 10
◉ question: The fact that light can be polarized exhibits that light:
◉ options:
◈ a: Travels in the form of particles
◈ b: Is an electromagnetic wave
◈ c: Is a longitudinal wave
◈ d: Is a transverse wave
◉ answer: d
◉ questionNumber: 11
◉ question: Seventy calories of heat is required to raise the temperature of 2 moles of an ideal gas at constant pressure from 30°C to 35°C. The amount of heat required to raise the temperature of the same gas through the same range at constant volume is equal to:
◉ options:
◈ a: 30 cal
◈ b: 70 cal
◈ c: 50 cal
◈ d: 90 cal
◉ answer: c
◉ questionNumber: 12
◉ question: In an adiabatic process on a gas with γ = 1.4, the pressure is increased by 0.5%. The volume of the gas decreases by:
◉ options:
◈ a: 0.36%
◈ b: 0.7%
◈ c: 0.5%
◈ d: 2%
◉ answer: a
◉ questionNumber: 13
◉ question: When two capillary tubes of different diameters are dipped vertically in liquid, the height of the liquid is:
◉ options:
◈ a: More in the tube of larger diameter
◈ b: Less in the tube of smaller diameter
◈ c: More in the tube of smaller diameter
◈ d: Same in both tubes
◉ answer: c
◉ questionNumber: 14
◉ question: Two thin lenses of focal lengths 10 cm and 20 cm are placed in contact. Its combined focal length is:
◉ options:
◈ a: 30 cm
◈ b: 10 cm
◈ c: 20 cm
◈ d: 6.66 cm
◉ answer: d
◉ questionNumber: 15
◉ 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:
◉ options:
◈ a: A
◈ b: C
◈ c: B
◈ d: D
◉ answer: a
◉ questionNumber: 16
◉ question: A galvanometer can be converted to a voltmeter by connecting:
◉ options:
◈ a: A low resistance in series
◈ b: A low resistance in parallel
◈ c: A high resistance in series
◈ d: A high resistance in parallel
◉ answer: c
◉ questionNumber: 17
◉ question: A sound wave has intensity 10^-9 W/m². The intensity level in dB is equal to:
◉ options:
◈ a: 30
◈ b: 0
◈ c: 90
◈ d: 12
◉ answer: a
◉ questionNumber: 18
◉ question: If n represents the energy level in an atom, in which of the following transition will the wavelength be minimum?
◉ options:
◈ a: n = 5 to n = 4
◈ b: n = 3 to n = 2
◈ c: n = 4 to n = 3
◈ d: n = 2 to n = 1
◉ answer: d
◉ questionNumber: 19
◉ 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:
◉ options:
◈ a: 10 min
◈ b: 30 min
◈ c: 20 min
◈ d: 40 min
◉ answer: c
◉ questionNumber: 20
◉ question: The speed of light depends:
◉ options:
◈ a: On elasticity of the medium only
◈ b: On inertia of the medium only
◈ c: On elasticity as well as inertia
◈ d: Neither on elasticity nor on inertia
◉ answer: d
◉ questionNumber: 21
◉ question: Which one of the following statements is true for cathode rays?
◉ options:
◈ a: It is stream of positively charged particles
◈ b: It emits x-rays on striking a metal
◈ c: It is an electromagnetic wave
◈ d: It is not deflected by magnetic field
◉ answer: b
◉ questionNumber: 22
◉ question: As the temperature of a metallic resistor is increased, the product of its resistivity and conductivity:
◉ options:
◈ a: Increases
◈ b: Decreases
◈ c: Remains constant
◈ d: May increase or decrease
◉ answer: c
◉ questionNumber: 23
◉ question: Which of the following is a mechanical wave?
◉ options:
◈ a: Radio waves
◈ b: Light waves
◈ c: X-rays
◈ d: Sound waves
◉ answer: d
◉ questionNumber: 24
◉ question: Which of the following parameters is the same for molecules of all gases at a given temperature?
◉ options:
◈ a: Mass
◈ b: Momentum
◈ c: Speed
◈ d: Kinetic energy
◉ answer: d
◉ questionNumber: 25
◉ question: Transformers are used:
◉ options:
◈ a: In DC circuits only
◈ b: In AC circuits only
◈ c: In both DC and AC circuits
◈ d: Neither in DC nor in AC circuits
◉ answer: b
◉ questionNumber: 26
◉ question: A compass needle is allowed to move in horizontal plane is taken to a geomagnetic pole. It:
◉ options:
◈ a: will stay in north-south direction only
◈ b: will stay in east-west direction only
◈ c: will become rigid showing no movement
◈ d: will stay in any position
◉ answer: d
◉ questionNumber: 27
◉ question: For a constant volume gas thermometer, one should fill the gas at:
◉ options:
◈ a: Low temperature and low pressure
◈ b: Low temperature and high pressure
◈ c: High temperature and low pressure
◈ d: High temperature and high pressure
◉ answer: c
◉ questionNumber: 28
◉ question: The energy density in the electric field created by a point charge falls off with the distance from the point charge as:
◉ options:
◈ a: r^-2
◈ b: r^-3
◈ c: r^-1
◈ d: r^-4
◉ answer: d
◉ questionNumber: 29
◉ question: In a laser tube, all the photons:
◉ options:
◈ a: Have same wavelength
◈ b: Have same energy
◈ c: Move in same direction
◈ d: Move with same speed
◉ answer: c
◉ questionNumber: 30
◉ question: An electric dipole is placed in a uniform electric field. The net electric force on the dipole:
◉ options:
◈ a: Is always zero
◈ b: Depends on the orientation of the dipole
◈ c: Can never be zero
◈ d: Depends on the strength of the dipole
◉ answer: a
◉ questionNumber: 31
◉ question: Which of the following reactions when heated quickly produces small amount of chlorine gas?
◉ options:
◈ a: NaCl + HNO3
◈ b: HCl + KMnO4
◈ c: HCl + Br2
◈ d: NaCl + MnO2
◉ answer: b
◉ questionNumber: 32
◉ question: An element mixes safely with hydrogen in the dark, but rather explosively with hydrogen in light. The element is:
◉ options:
◈ a: Chlorine
◈ b: Phosphorus
◈ c: Fluorine
◈ d: Nitrogen
◉ answer: a
◉ questionNumber: 33
◉ question: The type of precipitate that is most difficult to filter in quantitative analysis is:
◉ options:
◈ a: Curdy
◈ b: Insoluble
◈ c: Gelatinous
◈ d: Crystalline
◉ answer: c
◉ questionNumber: 34
◉ question: Which of the salts below will produce an alkaline solution when dissolved in water?
◉ options:
◈ a: NH4Cl
◈ b: Na2CO3
◈ c: NaNO3
◈ d: NaCl
◉ answer: b
◉ questionNumber: 35
◉ 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:
◉ options:
◈ a: 79.88%
◈ b: 12.50%
◈ c: 15.65%
◈ d: 9.99%
◉ answer: d
◉ questionNumber: 36
◉ question: The orbitals providing the most efficient overlap are:
◉ options:
◈ a: s-s
◈ b: sp²-sp²
◈ c: sp-sp
◈ d: sp³-sp³
◉ answer: c
◉ questionNumber: 37
◉ question: Which of the following elements is the component of wood's metal?
◉ options:
◈ a: Bismuth
◈ b: Lead
◈ c: Titanium
◈ d: Cadmium
◉ answer: c
◉ questionNumber: 38
◉ question: What is the systematic name for the following compound? [A cyclohexane ring with a -CHO group attached]
◉ options:
◈ a: Benzaldehyde
◈ b: Cyclohexanecarbaldehyde
◈ c: Cyclohexanol
◈ d: Cyclohexanal
◉ answer: b
◉ questionNumber: 39
◉ question: Ethanol boils at 78.5°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 = 1.20° C/m for the alcohol)
◉ options:
◈ a: 79.1°C
◈ b: 0.60°C
◈ c: 80.5°C
◈ d: 77.9°C
◉ answer: a
◉ questionNumber: 40
◉ 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?
◉ options:
◈ a: 6.90 kg
◈ b: 20.8 kg
◈ c: 8.12 kg
◈ d: 24.4 kg
◉ answer: c
◉ questionNumber: 41
◉ question: In an adiabatic system, if work is done on the system, the temperature must:
◉ options:
◈ a: Decrease
◈ b: Increase
◈ c: Increase then decrease
◈ d: Remain constant
◉ answer: b
◉ questionNumber: 42
◉ question: What pressure would be required to compress 1.00 mol of oxygen into a 5.00 L container held at 100°C?
◉ options:
◈ a: 12.24 atm
◈ b: 1.64 atm
◈ c: 6.12 atm
◈ d: 3.76 atm
◉ answer: c
◉ questionNumber: 43
◉ question: Which of the following compounds undergoes electrophilic addition reaction?
◉ options:
◈ a: Benzaldehyde
◈ b: Ethoxyethane
◈ c: Benzoic acid
◈ d: Propene
◉ answer: d
◉ questionNumber: 44
◉ 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?
◉ options:
◈ a: 4.10 M
◈ b: 1.25 M
◈ c: 2.05 M
◈ d: 2.75 M
◉ answer: b
◉ questionNumber: 45
◉ question: Treatment of 1-phenylethanone with hydrazine in presence of sodium hydroxide produces ethyl benzene. This reaction is known as:
◉ options:
◈ a: Wolff-Kishner reduction
◈ b: Aldol condensation
◈ c: Claisen condensation
◈ d: Williamson synthesis
◉ answer: a
◉ questionNumber: 46
◉ question: Determine the Ksp of MX2 if a saturated solution contains 0.02 moles/100 mL of water.
◉ options:
◈ a: 0.04
◈ b: 0.20
◈ c: 0.16
◈ d: 0.032
◉ answer: d
◉ questionNumber: 47
◉ question: The polymer teflon is obtained by polymerization of:
◉ options:
◈ a: Tetrafluoroethane
◈ b: Tetrafluoroethene
◈ c: Phenol and formaldehyde
◈ d: Tetrafluoromethane
◉ answer: b
◉ questionNumber: 48
◉ question: Which of the following is not a disaccharide?
◉ options:
◈ a: Lactose
◈ b: Maltose
◈ c: Mannose
◈ d: Sucrose
◉ answer: c
◉ questionNumber: 49
◉ question: Which statement about an element in the Periodic Table is correct?
◉ options:
◈ a: Magnesium is a metalloid, has a giant structure and is a good conductor of electricity
◈ b: Silicon is a metalloid, has a simple molecular structure and is a semi-conductor of electricity
◈ c: Sodium is a metal, has a giant structure and is a good conductor of electricity
◈ d: Sulphur is a non-metal, has a giant structure and is a poor conductor of electricity
◉ answer: c
◉ questionNumber: 50
◉ question: Which of the following aldehydes, used alone, will undergo and aldol reaction?
◉ options:
◈ a: Formaldehyde, CH2O
◈ b: Benzaldehyde, C6H5CHO
◈ c: Butanal, CH3(CH2)2CHO
◈ d: Propenal, CH2=CHCHO
◉ answer: c
◉ questionNumber: 51
◉ question: A container of gas is allowed to expand so that its volume triples. What would happens to the temperature of the gas?
◉ options:
◈ a: It stays constant
◈ b: It increases
◈ c: It decreases
◈ d: The direction of the temperature change would depend on the PV work by the expansion of the gas
◉ answer: d
◉ questionNumber: 52
◉ question: Which of the following concentration measure changes as the temperature of a solution changes?
◉ options:
◈ a: Mass percentage
◈ b: Molality
◈ c: Mole fraction
◈ d: Molarity
◉ answer: d
◉ questionNumber: 53
◉ question: In a redox reaction, the reducing agent:
◉ options:
◈ a: Gains electrons and reduced
◈ b: Gains electrons and is oxidized
◈ c: Loses electrons and is oxidized
◈ d: Loses electrons and is reduced
◉ answer: c
◉ questionNumber: 54
◉ question: The increasing vapor pressure caused by heating a liquid is due to:
◉ options:
◈ a: Increased intermolecular interactions
◈ b: Increasing potential energy of molecules
◈ c: Increasing kinetic energy of molecules
◈ d: Decreasing surface tension
◉ answer: c
◉ questionNumber: 55
◉ question: Which atom has the highest ratio of unpaired electrons to paired electrons in its ground state?
◉ options:
◈ a: Boron
◈ b: Nitrogen
◈ c: Carbon
◈ d: Oxygen
◉ answer: b
◉ questionNumber: 56
◉ question: Cane sugar on hydrolysis gives:
◉ options:
◈ a: Glucose and Lactose
◈ b: Glucose and Maltose
◈ c: Glucose and Fructose
◈ d: Only Glucose
◉ answer: c
◉ questionNumber: 57
◉ question: β-rays emitted by the radio-active material are:
◉ options:
◈ a: Electromagnetic radiation
◈ b: Neutral Particles
◈ c: Both a and b
◈ d: Charged particles emitted by the nucleus
◉ answer: d
◉ questionNumber: 58
◉ question: The conversion shown below may best be described as which of the following types of reaction? [Reaction turning a cyclohexanone ring into cyclohexane]
◉ options:
◈ a: Addition
◈ b: Reduction
◈ c: Substitution
◈ d: Addition and reduction
◉ answer: b
◉ questionNumber: 59
◉ question: Acetic acid and methanol are obtained on a large scale by destructive distillation of:
◉ options:
◈ a: Wood
◈ b: Turpentine
◈ c: Coal
◈ d: Crude oil
◉ answer: a
◉ questionNumber: 60
◉ question: The solution of sulphuric acid contains 80% by weight H2SO4. Specific gravity of this solution is 1.71. Its normality is about:
◉ options:
◈ a: 18.2
◈ b: 7
◈ c: 28.2
◈ d: 10.2
◉ answer: c
◉ questionNumber: 61
◉ question: If a cross between two individuals produces offsprings with 50% dominant character (A) and 50% recessive character (a) the genotype of parents is:
◉ options:
◈ a: Aa * aa
◈ b: AA * aa
◈ c: AA * Aa
◈ d: Aa * Aa
◉ answer: a
◉ questionNumber: 62
◉ question: Ovule integument gets transformed into:
◉ options:
◈ a: Seed
◈ b: Seed coat
◈ c: Fruit wall
◈ d: Cotyledons
◉ answer: b
◉ questionNumber: 63
◉ question: Which of the following structures help in respiration of lichen?
◉ options:
◈ a: Cephalodia
◈ b: Isidia
◈ c: Soredia
◈ d: Cyphellae
◉ answer: d
◉ questionNumber: 64
◉ question: Spindle fiber is made up of:
◉ options:
◈ a: Hemulin
◈ b: Flagellin
◈ c: Intermediate filament
◈ d: Tubulin
◉ answer: d
◉ questionNumber: 65
◉ question: Inheritance of ABO group shows:
◉ options:
◈ a: Polygeny
◈ b: Incomplete dominance
◈ c: Polyloidy
◈ d: Multiple allelism
◉ answer: d
◉ questionNumber: 66
◉ question: Gene mutation is due to:
◉ options:
◈ a: Reproduction
◈ b: Linkage
◈ c: Changes in the sequence of gene in DNA
◈ d: Changes in the sequence of nitrogen bases
◉ answer: d
◉ questionNumber: 67
◉ question: Mucor and Rhizopus belong to:
◉ options:
◈ a: Zygomycota
◈ b: Basidiomycota
◈ c: Deuteromycota
◈ d: Ascomycota
◉ answer: a
◉ questionNumber: 68
◉ question: Which one of the following is mainly responsible for Green House Effect?
◉ options:
◈ a: SO2
◈ b: CO
◈ c: CO2
◈ d: O2
◉ answer: c
◉ questionNumber: 69
◉ question: The food chain in which microorganisms break down the energy rich compounds synthesized by producers is:
◉ options:
◈ a: Predator food chain
◈ b: Detritus food chain
◈ c: Parasitic food chain
◈ d: Herbivore food chain
◉ answer: b
◉ questionNumber: 70
◉ question: Most of Lichens are formed by:
◉ options:
◈ a: Blue green algae and Basidomycetes
◈ b: Blue green algae and Ascomycetes
◈ c: Red algae and Phycomycetes
◈ d: Brown algae and Ascomycetes
◉ answer: b
◉ questionNumber: 71
◉ question: In cell division, the phase following the metaphase is known as:
◉ options:
◈ a: Prophase
◈ b: Telophase
◈ c: Anaphase
◈ d: Exophase
◉ answer: c
◉ questionNumber: 72
◉ question: The types of ribosomes found in prokaryotic cell are:
◉ options:
◈ a: 100S
◈ b: 60S
◈ c: 80S
◈ d: 70S
◉ answer: d
◉ questionNumber: 73
◉ question: A virus must do what to reproduce:
◉ options:
◈ a: Form a latent virus
◈ b: Infect a cell
◈ c: Undergo transformation
◈ d: Conjugate
◉ answer: b
◉ questionNumber: 74
◉ question: Which one of the following is an example of chlorophyllous thallophyte?
◉ options:
◈ a: Volvariella
◈ b: Nephrolepis
◈ c: Spirogyra
◈ d: Gnetum
◉ answer: c
◉ questionNumber: 75
◉ question: The number of ATP produced when a molecule of glucose undergoes fermentation is:
◉ options:
◈ a: 4
◈ b: 2
◈ c: 36
◈ d: 38
◉ answer: b
◉ questionNumber: 76
◉ question: The two strands of DNA are:
◉ options:
◈ a: Similar in structure and complementary
◈ b: Antiparallel and complementary
◈ c: Basically different in nature
◈ d: Parallel and complementary
◉ answer: b
◉ questionNumber: 77
◉ question: Which is a sudden change in a gene or chromosome?
◉ options:
◈ a: Allele
◈ b: Mutation
◈ c: Genotype
◈ d: Phenotype
◉ answer: b
◉ questionNumber: 78
◉ question: During which phase of the cell cycle are normal components of the cell synthesized and assembled?
◉ options:
◈ a: M phase
◈ b: S phase
◈ c: G1 phase
◈ d: G2 phase
◉ answer: c
◉ questionNumber: 79
◉ question: Vascular plants lacking seeds are:
◉ options:
◈ a: Algae
◈ b: Pteridophytes
◈ c: Bryophytes
◈ d: Gymnosperms
◉ answer: b
◉ questionNumber: 80
◉ question: Both eukaryotes and prokaryotes cells have these organelles:
◉ options:
◈ a: Ribosomes
◈ b: Golgi apparatus
◈ c: Mitochondria
◈ d: Chloroplasts
◉ answer: a
◉ questionNumber: 81
◉ question: The science of the classification of animals and plants is known as:
◉ options:
◈ a: Geometrics
◈ b: Biometrics
◈ c: Systematics
◈ d: Zoometrics
◉ answer: c
◉ questionNumber: 82
◉ question: Pieces of plant tissue used in tissue culture is called:
◉ options:
◈ a: Explant
◈ b: Inoculant
◈ c: Somaclone
◈ d: Clone
◉ answer: a
◉ questionNumber: 83
◉ question: Muscle controlling the passage of the urine from the bladder to the urethra in vertebrates:
◉ options:
◈ a: Cardiac muscle
◈ b: Skeletal muscle
◈ c: Sphincter muscle
◈ d: Smooth muscle
◉ answer: c
◉ questionNumber: 84
◉ question: A condition when the blood glucose level exceeds its normal value is called:
◉ options:
◈ a: Hypertension
◈ b: Hyperglycine
◈ c: Hyperglycemia
◈ d: Hyperglycosuria
◉ answer: c
◉ questionNumber: 85
◉ question: Which of the following enzymes is not proteinacious in nature?
◉ options:
◈ a: Trypsin
◈ b: Pepsin
◈ c: Rennin
◈ d: Ribozyme
◉ answer: d
◉ questionNumber: 86
◉ question: Anaemia may be caused by:
◉ options:
◈ a: Hookworm
◈ b: Roundworm
◈ c: Earthworm
◈ d: Tapeworm
◉ answer: a
◉ questionNumber: 87
◉ question: Which one of the following statement is correct:
◉ options:
◈ a: Animal cell has cell wall
◈ b: Sperm is zygote
◈ c: Dentine is a calcified tissue
◈ d: Heart is made up of neurons
◉ answer: c
◉ questionNumber: 88
◉ question: What are the main cells of which poriferans outer walls are made?
◉ options:
◈ a: Pinacocytes
◈ b: Choanocytes
◈ c: Porocytes
◈ d: Amoebocytes
◉ answer: a
◉ questionNumber: 89
◉ question: Echinoderms live in:
◉ options:
◈ a: Freshwater
◈ b: Groundwater
◈ c: Marine water
◈ d: Rainwater
◉ answer: c
◉ questionNumber: 90
◉ question: Name the hormone that has no role in menstruation:
◉ options:
◈ a: LH
◈ b: GH
◈ c: FSH
◈ d: TSH
◉ answer: b
◉ questionNumber: 91
◉ question: Which one of the human cell do not contain mitochondria?
◉ options:
◈ a: Nerve cells
◈ b: Red blood cells
◈ c: Liver cells
◈ d: White blood cells
◉ answer: b
◉ questionNumber: 92
◉ question: Which of the following is the correct pathway for propagation of cardiac impulse?
◉ options:
◈ a: SA node -> AV node -> Bundle of His -> Purkinje fibers
◈ b: AV node -> Bundle of His -> SA node -> Purkinje fibers
◈ c: SA node -> Purkinje fibre -> AV node -> Bundle of His
◈ d: Purkinje fibres -> AV node -> SA node -> Bundle of His
◉ answer: a
◉ questionNumber: 93
◉ question: Which one of the following animal phyla does not possess a coelom?
◉ options:
◈ a: Platyhelminthes
◈ b: Mollusca
◈ c: Annelid
◈ d: Echinodermata
◉ answer: a
◉ questionNumber: 94
◉ question: Which centre is stimulated during increase in body temperature?
◉ options:
◈ a: Anterior hypothalamus
◈ b: Limbic system
◈ c: Posterior hypothalamus
◈ d: Red nucleus
◉ answer: a
◉ questionNumber: 95
◉ question: The conversion of protein waste, the ammonia into urea occurs mainly in:
◉ options:
◈ a: Kidney
◈ b: Liver
◈ c: Lungs
◈ d: Intestine
◉ answer: b
◉ questionNumber: 96
◉ question: Protozoan group with two nuclei, macronucleus and micronucleus is:
◉ options:
◈ a: Flagellata
◈ b: Ciliata
◈ c: Sarcodina
◈ d: Sporozoa
◉ answer: b
◉ questionNumber: 97
◉ question: The term 'Biology' was coined by:
◉ options:
◈ a: Aristotle
◈ b: Lamarck and Treviranus
◈ c: Theophrastus
◈ d: Hippocrates
◉ answer: b
◉ questionNumber: 98
◉ question: By the statement, 'survival of the fittest', Darwin meant that:
◉ options:
◈ a: The strongest of all species survives
◈ b: The most intelligent of the species survives
◈ c: The cleverest of the species survives
◈ d: The most adaptable of the species to change survives
◉ answer: d
◉ questionNumber: 99
◉ question: Causative agent of Malaria is:
◉ options:
◈ a: Bacteria
◈ b: Protozoa
◈ c: Virus
◈ d: Helminth
◉ answer: b
◉ questionNumber: 100
◉ question: Total number of oxygen molecules that can bind to a single haemoglobin molecule under normal partial pressure:
◉ options:
◈ a: 8
◈ b: 2
◈ c: 6
◈ d: 4
◉ answer: d