NUMS MDCAT 2024 Past Paper

During glycolysis, isomerization takes place in the formation of:

1. A.Dihydroxyacetone phosphate and 2-phosphoglycerate
2. B.G3P and fructose 6-phosphate
3. C.PEP and pyruvate
4. D.Fructose 6-phosphate and 3-phosphoglycerate

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Presence of PEP carboxylase in C4 plants enables them to avoid photorespiration due to:

1. A.Presence of enzyme in high concentration
2. B.Absence of Rubisco
3. C.PEP carboxylase being strictly carboxylase
4. D.High yield of enzyme

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Fats and proteins are metabolized via — which of the following serves as common duct for both metabolisms?

1. A.Acetyl-CoA
2. B.Pyruvate
3. C.G3P
4. D.Lactate

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Which of the following virus has a double stranded DNA genome?

1. A.Rubella
2. B.Influenza
3. C.HIV
4. D.Small pox

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An enzyme is capable of acting on a wide range of related substrates. Which of the following is a property of this enzyme?

1. A.Inflexible active site
2. B.Regulatory enzyme
3. C.Non-regulatory enzyme
4. D.Highly specific enzyme

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All are the characteristics responsible for better survival of encapsulated bacteria except:

1. A.High pathogenicity
2. B.Withstand dehydration
3. C.Strict adhesion to internal surfaces
4. D.Easy recognition by host

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Probiotics in infants formula milk keep babies healthy by doing all of the following actions except:

1. A.Produce important vitamins
2. B.Kill pathogenic bacteria
3. C.Prevent colonization of pathogens
4. D.Enhance immunity

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Activation of all of the following enzymes need a regulatory molecule except:

1. A.Pepsinogen
2. B.Trypsinogen
3. C.Erepsin
4. D.Chymotrypsinogen

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Weakened papillary muscles of right ventricle would result in constant back flow of blood into:

1. A.Right atrium
2. B.Left ventricle
3. C.Right ventricle
4. D.Left atrium

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A person with a removed gall bladder experiences difficulty in fat digestion due to:

1. A.Absence of Bile
2. B.Uncontrolled release of Bile
3. C.Reduced alkalinity of bile
4. D.Absence of bile pigments

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Waxy cuticle protects the plant cell from:

1. A.Desiccation
2. B.Photorespiration
3. C.Toxin metabolism
4. D.Protein loss

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Which of the following set of characteristics are related to veins?

1. A.Valves: Present, Wall thickness: Thick, Diameter: 7-9mm
2. B.Valves: Absent, Wall thickness: Thick, Diameter: 40-50mm
3. C.Valves: Present, Wall thickness: Thinner, Diameter: 40-50mm
4. D.Valves: Absent, Wall thickness: Thinner, Diameter: 40-50mm

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Which of the following would not be compromised in the absence of lymphatic system?

1. A.Blood pressure
2. B.Oxygen carrying capacity of blood
3. C.Blood composition
4. D.Defense mechanism

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The presence of which molecules distinguishes blood from interstitial fluid?

1. A.Large proteins and electrolytes
2. B.Glucose and RBCs
3. C.Antibodies and electrolytes
4. D.RBCs and large proteins

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Plants growing in saline soil face the problem of dehydration due to:

1. A.Yw of soil > Yw of root
2. B.Ys of soil < Ys of root
3. C.Yw of root > Yw of soil
4. D.Yw of root = Yw of soil

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During Covid-19 epidemic, plasma of recovered patients was injected in covid patients. Which component of plasma was responsible for this?

1. A.Plasminogen
2. B.Interferons
3. C.Antibodies
4. D.Interleukin-I

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Choose the one which is an example of artificial active immunity:

1. A.Fetus receiving antibodies of mother through placenta
2. B.Mother receiving antibodies
3. C.Baby receiving MMR shots
4. D.Prevention of disease due to previous infection

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Which of the following type of T cells are required for the activation of B cells?

1. A.Helper T cells
2. B.Cytotoxic T cells
3. C.Suppressor T cells
4. D.Memory T cells

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What is the fate of a neurotransmitter after the transmission of nerve impulse across synapse?

1. A.It is taken into post synaptic neuron
2. B.Released to post synaptic membrane
3. C.Released into the synaptic cleft
4. D.Broken down by enzymes

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Which immediate change is brought about in the post synaptic membrane on binding with excitatory neurotransmitter?

1. A.Calcium gates open
2. B.Sodium gates open
3. C.Sodium gates close
4. D.Sodium potassium pump ceases to work

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During the conduction of nerve impulse, hyperpolarization would not occur if:

1. A.Sodium gates didn't close in time
2. B.Potassium gates were not so lousy
3. C.Sodium potassium pump stopped working
4. D.Calcium gates open instantly

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Which of the following is a characteristic of electrical synapse?

1. A.Presence of neurotransmitters
2. B.Transmission of nerve impulse
3. C.Sodium potassium gradient
4. D.Absence of neurotransmitter

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Which option given below characterizes refractory period?

1. A.Reversal of charges across neural membrane
2. B.Change in the type of ions across the membrane
3. C.Next impulse can be conducted
4. D.Membrane potential +50mV

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During complex activity of flight, birds require coordination of many skeletal muscles. Which part of their brain has to be well developed?

1. A.Amygdala
2. B.Cerebrum
3. C.Cerebellum
4. D.Thalamus

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Which part of the brain is actively used by mathematician trying to formulate a new equation?

1. A.Hippocampus
2. B.Cerebrum
3. C.Amygdala
4. D.Pons

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A desert mammal faces severe dehydration in a hot sunny day. Which internal condition would lead to secretion of ADH?

1. A.High osmotic pressure of blood
2. B.High blood pressure
3. C.Low osmotic pressure of blood
4. D.Low solute potential of blood

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Which would be diagnosed by a doctor on seeing a patient with thick skin and low metabolic rate?

1. A.Cretinism
2. B.Cushing disease
3. C.Myxedema
4. D.Addison's disease

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Choose the one related to hypoparathyroidism:

1. A.Kidney stones
2. B.Hypercalcemia
3. C.Weakness of muscles
4. D.Tetany

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Choose the mismatched pair:

1. A.Graffian follicle - progesterone
2. B.ICSH - interstitial cell
3. C.Estrogen - inhibits FSH
4. D.LH - ovulation

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Which of the following is an example of negative feedback mechanism?

1. A.Aggregation of platelets during wound healing
2. B.Labour contraction
3. C.Milk secretion during suckling
4. D.Control of body temperature

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Most CO2 in blood is transported as bicarbonate ions. Choose the event NOT taking place during gaseous exchange at tissue level:

1. A.Formation of HHb
2. B.Formation of sodium bicarbonate
3. C.Formation of oxyhemoglobin
4. D.Chloride shift

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All are related to 'X' except: (X is interneuron shown in diagram)

1. A.It passes information to brain
2. B.It passes information to sensory neurons
3. C.It synapses with axon of sensory neurons
4. D.It is present in gray matter

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Which one is the function of plasma membrane proteins?

1. A.Restrict entry of polar molecules
2. B.Prevention of freezing during cold weather
3. C.Movement of ions in and out of the cell
4. D.Maintenance of membrane flexibility

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Choose the option showing the correct set of characteristics for Intermediate filaments:

1. A.Diameter 8-10nm, Vimentin, Mechanical support
2. B.Diameter 0.2-25um, Vimentin, Cilia flagella
3. C.Diameter 8-10nm, Tubulin, Muscle contraction
4. D.Diameter 7nm, Tubulin, Cyclosis

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Nucleo proteins are involved in:

1. A.Cell to cell recognition
2. B.Passing hereditary information to next generation
3. C.Ensuring fast speed of nerve impulse
4. D.Acting as a cell surface marker

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If reproductive cycle of a female starts on 10th of July, ovulation is most likely to occur on:

1. A.1st August
2. B.28th of July
3. C.24th of July
4. D.5th August

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Which of the following would be produced as a result of reduction division during gametogenesis?

1. A.Oogonium
2. B.Primary oocyte
3. C.Primary spermatocyte
4. D.Secondary oocyte

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What will be the probability of purple and terminal flower in Pea plant in F2 generation, if we cross true breeding purple axial with white terminal?

1. A.1/16
2. B.3/16
3. C.9/16
4. D.1/2

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A carrier female for hemophilia is married to an affected male. What would be the probable percentage for their sons to be affected?

1. A.100%
2. B.50%
3. C.25%
4. D.0%

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Which of the following is not related to ABO blood group system?

1. A.It is an example of multiple alleles
2. B.I^A and I^B are codominant
3. C.I doesn't code for any antigen
4. D.I^O obeys Mendel's laws of inheritance

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Which is correct for pattern baldness?

1. A.It is sex linked trait
2. B.Occurs due to hormonal differences between sexes
3. C.Heterozygous male is normal
4. D.Heterozygous female is affected

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Which of the following is correct about hamstring muscles?

1. A.It is an extensor muscle
2. B.Its insertion is on tibia
3. C.Originate from pelvic girdle and top of femur
4. D.Originate from ilium and femur

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Choose the correct for muscle in relaxed position:

1. A.Exposed binding sites on actin
2. B.Broad H-zone in sarcomere
3. C.Formation of cross bridges
4. D.Ca2+ released in cytosol

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Children of a mason do not inherit strong muscles developed by father due to hard labour. This is an example of:

1. A.Survival of the fittest
2. B.Over production of offspring
3. C.Not inheriting acquired characters
4. D.Use and disuse of organs

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Ca + S → CaS. If 2.0g of Calcium and 4.0g of Sulphur are available, amount of product formed:

1. A.4.6g
2. B.1.6g
3. C.2.6g
4. D.3.6g

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Select the greatest number of particles in the following:

1. A.2g of Sodium (atomic mass = 23)
2. B.2g of Hydrogen gas (atomic mass of H = 1)
3. C.2g of Nitrogen gas (atomic mass of N = 14)
4. D.2g of Carbon dioxide gas (C=12, O=16)

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The value of 'l' for 4p orbital is:

1. A.0
2. B.1
3. C.2
4. D.3

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The element having the electronic configuration (Kr) 5s24d8 is:

1. A.Sr
2. B.Ru
3. C.Pd
4. D.Zr

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Choose the correct quantum numbers:

1. A.n=3, l=2, m=0, s=+1/2
2. B.n=-3, l=3, m=0, s=-1/2
3. C.n=4, l=3, m=4, s=+1/2
4. D.n=4, l=2, m=4, s=-1/2

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A gas has volume 10dm3 at 10°C. At what temperature is volume reduced to half?

1. A.283K
2. B.566K
3. C.142K
4. D.373K

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The relationship between absolute temperature and velocities of gas molecules is given by:

1. A.Crms = sqrt(3RT/M)
2. B.PV = nRT
3. C.V = sqrt(2Ek/m)
4. D.PV = 1/3mNc2

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The maximum polarizability is exhibited in:

1. A.C6H14
2. B.C3H6
3. C.C5H12
4. D.C2H6

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Which of the following compound have any characteristic heat of fusion except?

1. A.NaCl
2. B.Aluminium oxide
3. C.Iron oxide
4. D.Silicates

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If external pressure is reduced to half, boiling point of ethanol will be:

1. A.Greater than 78°C
2. B.Less than 78°C
3. C.Equal to 78°C
4. D.Reduced to half

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Iodine is a poor conductor of electricity because of:

1. A.Face centered cubic structure
2. B.Body centered cubic structure
3. C.Tetragonal structure
4. D.Hexagonal structure

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Predict the shape of CsCl having radius ratio of 0.93:

1. A.Tetrahedral
2. B.Octahedral
3. C.Body centered cubic
4. D.Hexagonal

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The solubility of PbS at 25°C is 4.0 × 10−28. Then ionic concentration will be:

1. A.4x10−14
2. B.2x10−14
3. C.1x10−14
4. D.3.0x10−10

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What conditions should be applied to minimize the leftover reactants in Ammonia synthesis?

1. A.200atm, 500°C
2. B.400atm, 200°C
3. C.100atm, 400°C
4. D.200atm, 400°C

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Select the buffer solution having highest pH:

1. A.0.1M CH3COOH, 0.01M CH3COO-
2. B.0.1M CH3COOH, 0.05M CH3COO-
3. C.0.1M CH3COOH, 0.10M CH3COO-
4. D.0.1M CH3COOH, 0.15M CH3COO-

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Formation of hydrogen gas can be increased by reacting which Zn sample with 1M HCl?

1. A.1g Zn Rod
2. B.1g Zn Pellets
3. C.1g Zn Ribbon
4. D.1g Zn Powder

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6CO2 + 6H2O → sunlight → C6H12O6 + 6O2. Predict the order of reaction:

1. A.2nd
2. B.1st
3. C.Zero
4. D.3rd

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Which mechanism is consistent with rate law Rate = K[NO]2[H2]?

1. A.2NO + H2 → N2 + H2O2 (slow), H2O2 + H2 → 2H2O (fast)
2. B.NO + H2O → N2 + H2O2 (slow), H2O2 + H2 → 2H2O (fast)
3. C.2NO + 2H2 → N2O + H2 (slow), H2O + H2 → H2O2 (fast)
4. D.NO + NO → N2 + O2 (slow), O2 + H2 → H2O (fast)

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DeltaH° for sublimation of one mole of iodine: H2(g) + I2(g) → 2HI(g) DH = 51.8kJ/mol H2(g) + I2(s) → 2HI(g) DH = -10.5kJ/mol

1. A.41.3 kJ/mol
2. B.62.3 kJ/mol
3. C.53.5 kJ/mol
4. D.36.5 kJ/mol

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Identify standard enthalpy of formation for the following reaction:

1. A.H2(g) + 1/2 O2(g) → H2O(l)
2. B.CO(g) + 1/2 O2(g) → CO2(g)
3. C.2Al(s) + Fe2O3(s) → Al2O3(s) + 2Fe(s)
4. D.S(s) + 3/2 O2(g) → SO3(g)

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Expansion takes place when gas evolves during reaction between carbohydrates and dilute HCl. Predict energy change and work done:

1. A.w is positive, q is negative
2. B.w is negative, q is positive
3. C.q is positive, no work done
4. D.w is positive, q is positive

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Zn rod acts as cathode when coupled with magnesium electrode because reduction potential of:

1. A.Zn > Mg
2. B.Zn < Mg
3. C.Zn = Mg
4. D.Zn = 0

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Placing a rod of iron metal in a solution of CuSO4:

1. A.Cu will be deposited
2. B.Fe is precipitated out
3. C.Cu and Fe both dissolve
4. D.No reaction taken place

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In CH3Cl, bond length of C-Cl is 176.7pm and covalent radius of Cl is 99.4pm. Covalent radius of carbon is:

1. A.66.3 pm
2. B.276.1 pm
3. C.175.4 pm
4. D.77.3 pm

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Correct order of decreasing electron affinities of group VII is:

1. A.F > Cl > Br > I
2. B.Cl > F > Br > I
3. C.F < Cl < Br < I
4. D.Cl < F < Br < I

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Predict the highest bond energy of the following single bond:

1. A.C-H
2. B.C-N
3. C.C-O
4. D.C-C

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Compound X + Na2CO3 → Compound Y + CO2 + H2O. The compound X is:

1. A.CH2=CH-CH2-CH3
2. B.CH3CH2CHO
3. C.CH3C(O)OCH3
4. D.CH3CH2COOH

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Compound A + I2 + Na2CO3 → Compound B + RCOONa + NaI + H2O. Identify compound B:

1. A.Acetone
2. B.Acetic acid
3. C.Acetamide
4. D.Acetic anhydride

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Select the carboxylic acid with highest melting point:

1. A.Ethanoic acid
2. B.Propanoic acid
3. C.Butanoic acid
4. D.Pentanoic acid

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Identify the following compound having shortest bond length:

1. A.Methyl amine
2. B.Formamide
3. C.Formic acid
4. D.Ethanol

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Identify the alkene which gives only one type of aldehyde upon ozonolysis:

1. A.1-pentene
2. B.2-methyl propene
3. C.2-butene
4. D.2,3-dimethyl-2-butene

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Bakelite is formed upon polymerization of:

1. A.Phenol + HCHO dilute base
2. B.Phenol + NaOH H2O
3. C.Phenol + H2SO4 H2O
4. D.Phenol + CH3-C(=O)-Cl H2SO4

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The increasing order of reactivity of alcohols towards nucleophile is:

1. A.2-methyl-2-pentanol < 3-methyl-2-pentanol < 2-methyl-1-pentanol
2. B.2-methyl-1-pentanol > 3-methyl-2-pentanol > 2-methyl-2-pentanol
3. C.2-methyl-2-pentanol > 3-methyl-2-pentanol > 2-methyl-1-pentanol
4. D.2-methyl-2-pentanol < 2-methyl-1-pentanol < 3-methyl-2-pentanol

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The most reactive alcohol towards Lucas reagent is:

1. A.2-butanol
2. B.2-methyl-1-butanol
3. C.2-methyl-2-butanol
4. D.2,2-dimethyl-1-butanol

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The most readily sulphonated compound is:

1. A.Benzene
2. B.Chlorobenzene
3. C.Nitrobenzene
4. D.Toluene

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Select the alkene showing geometrical isomerism:

1. A.3-methyl-1-butene
2. B.Methyl cyclopentane
3. C.2,3-dimethyl-2-butene
4. D.3-methyl-2-pentene

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When a metal carbonate is heated at 100°C, which will readily decompose?

1. A.BaCO3
2. B.MgCO3
3. C.BeCO3
4. D.SrCO3

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At what angle of applied force, work done will be 50%?

1. A.30°
2. B.60°
3. C.90°
4. D.45°

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What is the power of electric motor when it performs work of 64 × 106 J in 8 seconds?

1. A.6 Kilowatts
2. B.7 Kilowatts
3. C.8 Megawatts
4. D.7 Megawatts

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The relation between K.E and momentum P is given by:

1. A.K.E = 1/2 P/M
2. B.K.E = 1/2 P/M2
3. C.K.E = 1/2 P2/M2
4. D.K.E = 1/2 P2/M

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When dolphin leaves the water it has lots of kinetic energy. At its highest point its energy is:

1. A.Kinetic energy
2. B.Potential energy
3. C.Elastic potential energy
4. D.Neither kinetic nor potential energy

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The absolute potential energy is given as Ug = -GmMe/R. The negative sign indicates Earth's gravitational field for mass 'm' is:

1. A.Repulsive
2. B.Less attractive
3. C.Attractive
4. D.More repulsive less attractive

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The velocity of an object moving in a circle is:

1. A.Constant
2. B.Variable
3. C.Zero
4. D.Negative

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If you stop your car quickly by wearing seat belts, chance of injury is greatly reduced because seat belt applied:

1. A.Extra force
2. B.Perpendicular force
3. C.Opposite force
4. D.Zero force

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A ball with momentum 8 kg m/s hits a wall and bounces back without losing K.E. Change in momentum is:

1. A.4 Ns
2. B.-16 Ns
3. C.16 Ns
4. D.8 Ns

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In projectile motion for which angle maximum height is half of its range?

1. A.73°
2. B.65°
3. C.63°
4. D.68°

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Sara goes around a circular track of diameter 20m for distance 180m. Angular displacement is:

1. A.16 radians
2. B.18 radians
3. C.50 radians
4. D.8 radians

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Angle swept by minute hand in one minute is:

1. A.6°
2. B.36°
3. C.8°
4. D.20°

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To find the direction of angular displacement, use:

1. A.Grasp axis of rotation in right hand
2. B.Grasp axis of rotation in left hand
3. C.Put thumb of right hand in direction of circular motion
4. D.Put thumb of left hand in direction of circular motion

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A particle moves in a circle of radius 10m with speed 20 m/s. Find angular velocity:

1. A.2 rad/s
2. B.200 rad/s
3. C.20 rad/s
4. D.10 rad/s

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For anti-clockwise rotation the angular displacement is:

1. A.Negative
2. B.Positive
3. C.Null
4. D.Zero

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Speed of sound in solid is greater than in air because ratio:

1. A.(√E/ρ) solid < (√E/ρ) air
2. B.(√E/ρ) solid > (√E/ρ) air
3. C.(√E/ρ) solid = (√E/ρ) air
4. D.(√E/ρ) solid ≤ (√E/ρ) air

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Body mass 10kg, spring k=20 N/m, max displacement 20cm. Acceleration is:

1. A.2.2 ms−2
2. B.4 ms−2
3. C.2 ms−2
4. D.0.4 ms−2

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Normal person hears 20Hz to 20KHz. Maximum wavelength is:

1. A.17m
2. B.17mm
3. C.17cm
4. D.17km

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NaCl dissolves quickly in water due to:

1. A.Low εr
2. B.High εr
3. C.εr = 0
4. D.εr = ∞

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A capacitor can be fully charged because time required is:

1. A.1 time constant
2. B.2 time constant
3. C.4 time constant
4. D.Infinity

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Electric field at 10cm from 2μc point charge is:

1. A.1.8 C
2. B.180 C
3. C.18 C
4. D.1800 C

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At midpoint P between two +4μc charges. V and E at midpoint P:

1. A.V=0, E≠0
2. B.V=0, E=0
3. C.V≠0, E≠0
4. D.V≠0, E=0

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A process in which all heat energy is used for increasing internal energy is:

1. A.Isobaric
2. B.Isochoric
3. C.Isothermal
4. D.Adiabatic

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Phase shift between voltage and current when AC flows through capacitor is:

1. A.V leads I by 90°
2. B.I leads V by 90°
3. C.V and I in phase
4. D.V leads I by 45°

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A particle with charge 1C moves through potential difference 5V. Energy required:

1. A.5×10−10 J
2. B.8×10−18 J
3. C.8J
4. D.5J

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Equivalent resistance between A and B (three 1Ω resistors in parallel):

1. A.3/2 Ω
2. B.1/3 Ω
3. C.3 Ω
4. D.2/3 Ω

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The substance having negative temperature coefficient of resistance is:

1. A.Insulators
2. B.Conductor
3. C.Semi-conductor
4. D.Alloys

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If electric field intensity between capacitor plates doubles, energy stored becomes:

1. A.Double
2. B.One half
3. C.One Fourth
4. D.Quadruple

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Horizontal range of projectile will be maximum when:

1. A.Sinθ = 1/2
2. B.Sin2θ = 1
3. C.Sinθ = 0
4. D.Sin2θ = 0

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How many degrees in 2π/5 radians?

1. A.80°
2. B.50°
3. C.72°
4. D.20°

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A transformer uses 220V line and delivers 22A at 1800V. Current drawn from line (100% efficiency)?

1. A.22A
2. B.180A
3. C.200A
4. D.50A

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For rectification, transformer used is:

1. A.With low input voltage
2. B.With low input resistance
3. C.Step up
4. D.Step down

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One rem is equal to:

1. A.0.01 Gy / RBE
2. B.0.01 Gy × RBE
3. C.0.01 RBE
4. D.0.01 Gy

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1 rad is equal to:

1. A.0.01 J/Kg
2. B.0.01 Kg/J
3. C.0.01 J
4. D.0.01 Kg

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60 kg man absorbs lethal dose of 200 rem with RBE factor of 10. Energy absorbed is:

1. A.9J
2. B.8J
3. C.10J
4. D.12J

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Somatic effect causes:

1. A.Gene deformation
2. B.Chromosomes deformation
3. C.Skin burns
4. D.Eye burns

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Each person experiences background radiation dose in one year:

1. A.1mSv
2. B.1mGy
3. C.1Gy
4. D.1Sv

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The wire of mass m carries current I in a uniform magnetic field B at right angles. Force on wire:

1. A.50 N
2. B.25 N
3. C.10 N
4. D.5 N

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The plane ought to be taking off in a minute. The underlined word 'ought to' is:

1. A.Linking verb
2. B.Modal auxiliary
3. C.Helping verb
4. D.Finite verb

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After heavy rain, the sky grew dark. The underlined verb 'grew' is:

1. A.Non-Finite
2. B.Transitive
3. C.Di-transitive
4. D.Linking

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His courage earned him honour. The underlined verb 'earned' is:

1. A.Intransitive
2. B.Di-transitive
3. C.Complex transitive
4. D.Linking

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The teacher assigned the students an assignment to be completed during vacation. The underlined verb 'assigned' is:

1. A.Mono-transitive
2. B.Di-transitive
3. C.Complex transitive
4. D.Intransitive

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Of two evils choose the less. The sentence contains an adjective that is:

1. A.Comparative
2. B.Positive
3. C.Numeral
4. D.Distributive

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This is the very thing we want. The underlined word 'very' is a/an:

1. A.Emphatic pronoun
2. B.Emphasizing adjective
3. C.Reflexive pronoun
4. D.Exclamatory adjective

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Don't be in such a hurry. The sentence contains an adjective of:

1. A.Number
2. B.Distributive
3. C.Quantity
4. D.Demonstrative

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Fill in blank with Past Perfect Continuous: He _____ home from work regularly since he joined his office.

1. A.Had walked
2. B.Had been walking
3. C.Walked
4. D.Has been walking

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All desire wealth and some acquire it. The sentence exemplifies _____ tense.

1. A.Present indefinite
2. B.Past indefinite
3. C.Present perfect
4. D.Simple future

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If I were a doctor, I would serve humanity. The sentence is an example of _____ conditional.

1. A.Zero
2. B.Type I
3. C.Type II
4. D.Type III

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Choose the sentence which is correctly structured:

1. A.If we had found him earlier, we could have saved his life.
2. B.If we had found him earlier, we have saved his life.
3. C.If we had found him earlier, we had saved his life.
4. D.If we had found him earlier, we could save his life.

Answer and explanation locked

Choose the sentence with correct Past Perfect Continuous usage:

1. A.He had walked home since joining
2. B.He had been walking home since he joined
3. C.He walked home since joining
4. D.He has been walking home since joining

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All desire wealth and some _____ it — which tense?

1. A.Present Indefinite
2. B.Present Continuous
3. C.Present Perfect
4. D.Past Indefinite

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