PHYSICS TEST-1
Question 1: The wire inside an electric bulb is known as the what?
1. element
2. diafram
3. filament
4. werdibe
5.
Correct Answer: 3.
Question 2: Bats emit ultrasonic waves with a frequency as high as 100KHz.The wave length of such a wave in air is
1. 075cm
2. .35cm
3. 0.5cm
4. 0.6cm
5. 0.9cm
Correct Answer: 2.
Question 3: Overhead system can be dangers for operation upto ?
1. 400 Kv.
2. 220 Kv.
3. 132 Kv.
4. 66 Kv.
5.
Correct Answer: 1.
Question 4: In a normal grounding practice if the zig-zag transformer is not available, then
1. A delta connected transformer
2. A current transformer
3. Star - delta transformer without loading the delta side is used
4. A delta connected transformer
5.
Correct Answer: 3.
Question 5: In order to limit over voltages developed on ground wires due to lightning strokes ,the tower footing resistance should be less than
1. 1000O
2. 25O
3. 100O
4. 10O
5.
Correct Answer: 1.
Question 6: A uniform circular disc of mass M is rotating freely with uniform angular speed w in a horizontal plane about a fixed vertical axis passing through its centre. If a particle of mass M is gently attached to the rim of the disc, the angular speed of the disc changes to
1. w/2
2. w/3
3. w/4
4. w/5
5.
Correct Answer: 2.
Question 7: In the middle of the depletion layer of a reverse-biased p-n junction, the
1. electric field is zero
2. potential is maximum
3. electric field is maximum
4. potential is zero
5.
Correct Answer: 1.
Question 8: Shunt compensation normally done in
1. short transmission system
2. distribution system
3. long transmission system
4. medium transmission system
5.
Correct Answer: 2.
Question 9: In a region, steady and uniform electric and magnetic fields are present. These two fields are parallel to each other. A charged particle is released from rest in this region. The path of the particle will be a
1. circle
2. helix
3. straight line
4. ellipse
5.
Correct Answer: 3.
Question 10: The elements of array are placed equally spaced and fed in same phase from same source than the array is called
1. broadside array
2. end fire array
3. binomial array
4. two element array
5.
Correct Answer: 1.
Question 11: A car accelerates from rest at constant rate for t seconds and covers a distance x. The distance moved by it in the next t seconds will be :
1. x
2. 2x
3. 3x
4. 4x
5.
Correct Answer: 1.
Question 12: synchronous motor acts as a capacitor in which of the following modes
1. over excited
2. normal excited
3. under excited
4. E=V
5.
Correct Answer: 1.
Question 13: A ring of radius 0.5m and mass 10 kg is rotating about its diameter with angular velocity of 20 rad/sec. Its kinetic energy is
1. 10J
2. 100J
3. 500J
4. 250J
5.
Correct Answer: 4.
Question 14: A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k. The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be:
1. (1) 2 Mg/k
2. (2) 4 Mg/k
3. (3) Mg/2k
4. (4) Mg/k
5.
Correct Answer: 4.
Question 15: Out of the following, which is not emitted by radioactive substance?
1. Electrons
2. Electromagnetic radiations
3. Alpha particles
4. Neutrons
5.
Correct Answer: 4.
Question 16: Al mirror which forms virtual image for some particular position of the object with respect to the mirror is a
1. Plane mirror
2. Convex mirror
3. Concave mirror
4. None of the above
5.
Correct Answer: 3.
Question 17: In Boyle's law what remains constant
1. PV
2. TV
3. V/T
4. P/T
5.
Correct Answer: 1.
Question 18: A man in a lift weights more, when the lift ?
1. begines to go up
2. is going up steadily
3. is slowing down
4. is decending freely
5.
Correct Answer: 1.
Question 19: A proton is accelerated through a potential difference of 1V. Its energy is
1. 1 eV
2. 0
3. 2 eV
4. 4eV
5.
Correct Answer: 1.
Question 20: To get a maximum directivity in a longer V antennas the included angles becomes
1. Larger
2. Smaller
3. Doesnot dependent
4. Constant
5.
Correct Answer: 2.
Question 21: The direction of the cross product of two vectors can be known by applying
1. Triangle law of vector addition
2. Ampere’s swimming rule
3. Cork screw rule
4. all the above
5.
Correct Answer: 3.
Question 22: When temperature increases, the frequency of a tuning fork
1. increases
2. decreases
3. remains same
4. increases or decreases depending on the material
5.
Correct Answer: 2.
Question 23: if the light propagating along a straight line bends by a small but fixed angle, it may be due to ?
1. reflection
2. refraction
3. dispersion
4. diffraction
5.
Correct Answer: 2.
Question 24: The time-period of an earth satellite in circular orbit is independent of
1. the mass of the satellite
2. radius of its orbit
3. both the mass and radius of the orbit
4. neither the mass of the satellite nor the radius of its orbit [
5.
Correct Answer: 1.
Question 25: Which of the following is used for long sight?
1. Convex Lenses
2. Concave lenses
3. Concave mirror
4. Convex Mirror
5.
Correct Answer: 1.
BIOLOGY-TEST-1
Question 1: Amphibious plantsQuestion 1: Amphibious plants belong to the group
1. Thallophyta
2. Bryophyta
3. Pteridophyta
4. Gymnosperms
5.
Correct Answer: 2.
Question 2: Contribution of passive H2O absorption to toal H2O absorption is
1. 96-100%
2. 90-100%
3. 80-100%
4. 80-90%
5.
Correct Answer: 1.
Question 3: Which depresses heart beat?
1. Vagus
2. Trigeminal
3. Glossopharyngeal
4. Spinal accessory
5.
Correct Answer: 1.
Question 4: The source of O2 liberated in photosynthesis is
1. Photosynthetic enzyme
2. Carbohydrate present in leaf
3. Water
4. Carbon dioxide
5.
Correct Answer: 3.
Question 5: An woody climber Gymnoperm with reticulatate venation is.
1. Cycas
2. Dicots
3. Cupressus
4. Gnetum
5.
Correct Answer: 4.
Question 6: The heart of birds is having
1. 1 auricle,2 ventricles and a sinus venosus
2. 2 auricle,1 ventricle and a sinus venosus
3. 2 auricles, 2 ventricles
4. 2 auricles and one ventricle
5. 2 auricles and three ventricles
Correct Answer: 3.
Question 7: In earthworm, Haemoglobin is present in ?
1. Plasma
2. RBC
3. WBC
4. Platelets
5.
Correct Answer: 1.
Question 8: What is the mode of nutrition of mushroom?
1. Chemosynthetic
2. Photosynthetic
3. Saprophytic
4. Parasitic
5.
Correct Answer: 3.
Question 9: Cut flowers are dipped basally in dilute sodium chloride solution to
1. Reduce bacterial growth
2. Reduce transpiration
3. Induce endosmosis
4. Increase solute insne flowers
5.
Correct Answer: 2.
Question 10: Analysis of the record of a trait in several generations of a human family is called
1. Ancestory
2. Predegree analysis
3. Pedigree analysis
4. Family history
5.
Correct Answer: 3.
Question 11: When a cell is fully turgid which of the following will be zero
1. Turgor pressure
2. Wall pressure
3. Suction Pressure
4. Osmotic pressure
5.
Correct Answer: 3.
Question 12: The name 'florigen' was given by
1. Miller
2. Cajlakjan
3. Stanley
4. Lysenko
5.
Correct Answer: 2.
Question 13: What is herpetology?
1. Science of Birds
2. Science of Mammals
3. Science of Reptiles
4. Science of diseases
5.
Correct Answer: 3.
Question 14: Exposure to benzene arsenic and cadmium leads to
1. Lung cancer
2. Liver cancer
3. Bowel cancer
4. Oral cancer
5.
Correct Answer: 1.
Question 15: Assimilatory power produced in Hill reaction and used in Blackman's reaction refers to
1. Generation of ATP and NADPH2
2. Reduction of CO2
3. Splitting of water
4. Disintegration of plastids
5.
Correct Answer: 1.
Question 16: Which of the following component of blood does not enter the nephron...
1. Urea
2. Glucose
3. Plasma Proteins
4. Ions
5.
Correct Answer: 3.
Question 17: What are the specialized cells that can fix atmospheric nitrogen in Nostoc?
1. Heterocysts
2. Beterocysts
3. Ceterocysts
4. None of the above
5.
Correct Answer: 1.
Question 18: An antigen is ?
1. Opposite to an antibody
2. Residue of an antibody
3. Stimulus for antibody formation
4. Result of antibody
5.
Correct Answer: 3.
Question 19: Which bacteria produces vinegar in sugar solution?
1. Escherischia
2. Azotobacter
3. Acetobacter acti
4. Rhizobium
5.
Correct Answer: 3.
Question 20: Shoot is first to die when
1. Phloem is removed
2. Xylem is removed
3. Bark is removed
4. Leaves is removed
5.
Correct Answer: 2.
Question 21: Who introduced the term plastids
1. E.Haeckel
2. Benda
3. Palade
4. Leewen hock
5. None
Correct Answer: 1.
Question 22: A large regional unit characterised by major vegetational type is called-
1. Biome
2. Biopshere
3. Ecosystem
4. Landscape
5.
Correct Answer: 1.
Question 23: Breakdown of erythrocytes is called
1. Hemophilia
2. Hemopoesis
3. Hemolysis
4. Hemorrhoides
5.
Correct Answer: 3.
Question 24: In the prothallus of vascular cryptogam, the antherozoids and eggs mature at different times. As a result
Biology 2007 AIPMT Screening Test:
1. self fertilization is prevented
2. there is no change in success rate of fertilization
3. there is high degree of sterility
4. one can conclude that the plant is apomictic
5.
Correct Answer: 1.
Question 25: Which one of the following bones is present at the floor of cranium of frog?
1. Spetomaxillary
2. Sphenethmoid
3. Parasphenoid
4. Basisphenoid
5.
Correct Answer: 4.
CHEMISTRY-TEST-1
Question 1: The compound 3,7-dimethyl-1,6-octadien-3-ol is known by another name. What is it?
1. indole
2. linalool
3. sucrose
4. glycerol
5.
Correct Answer: 2.
Question 2: The crystal structure of CsCl is _________
1. Simple cubic
2. face-centred cubic
3. Tetragonal
4. Body centred cubic
5.
Correct Answer: 4.
Question 3: The number of P-O-P bonds in cyclic metaphosphoric acid is
1. Zero
2. Two
3. Three
4. Four
5.
Correct Answer: 3.
Question 4: Which of the following is a hydrophillic colloidal sol ?
1. Barium sulphate solution
2. Arsenius sulphide solution
3. Starch sol
4. Silver iodide sol.
5.
Correct Answer: 3.
Question 5: Which of the following is not an ore of copper ?
1. Copper glance
2. Azurite
3. Malachite
4. Corundum
5.
Correct Answer: 4.
Question 6: Ethylene bromide on reaction with alcoholic KOH gives
1. Methane
2. Ethyne
3. Ethylene
4. Ethene
5.
Correct Answer: 2.
Question 7: The alkene that will give the same product with HBr in the absence as well as in the presence of peroxide is
1. 2-Butene
2. 1-Butene
3. Propene
4. 1-Hexene
5. 2-Methylpropene
Correct Answer: 1.
Question 8: An example of a secondary cell is
1. Dry cell
2. Mercury cell
3. Nickel-cadmium cell
4. Fuel cell
5.
Correct Answer: 3.
Question 9: Which is an example of thermo setting polymer
1. Polythene
2. PVC
3. Neoprene
4. Bakelite
5.
Correct Answer: 4.
Question 10: Which of the following is not a thermoplastic?
1. Polystyrene
2. Teflon
3. Polyvinyl chloride
4. Nylon 6, 6
5. Novalac
Correct Answer: 5.
Question 11: Number of isomers for the compound dihydroxy benzene
1. 1
2. 2
3. 3
4. 4
5.
Correct Answer: 3.
Question 12: Ion formed by the loss of one or more electrons by an atom is called
1. Anion
2. Neutral ion
3. Cation
4. None of these
5.
Correct Answer: 3.
Question 13: Electron affinity of fluorine is less than that of chlorine. This is due to
1. Lower size of Cl
2. Larger size of Cl
3. Lower size of F
4. Larger size of F
5.
Correct Answer: 3.
Question 14: The line spectrum observed when electrons fall from higher level to 'L' level in the hydrogen atom is known as:
1. Balmer series
2. Lymann series
3. Paschen series
4. Brackett series
5. Pfund series
Correct Answer: 1.
Question 15: In fire files the flashes are produced due to the slow combustion of a protein luciferin in air and moisture. The phenomenon is known as
1. photochemical change
2. photocombusion
3. chemiluminescence
4. none of the above.
5.
Correct Answer: 3.
Question 16: Change in Gibb’s free energy is given by ______________
1. Delta G= Delta H+ T Delta S
2. Delta G=Delta H-T Delta S
3. Delta G=Delta H*T Delta S
4. None of the above
5.
Correct Answer: 2.
Question 17: The first order rate expression for the hydrolysis of ester is ____________
1. K=2.303/t log10(v-v0)/(v-vt)
2. K=2.303/t log*(v/v-vt)
3. K=2.303/t log(v-vt)/(v-v0)
4. K=2.303/t log(v-vt/v0)
5.
Correct Answer: 1.
Question 18: How many grams of NaOH will react with 0.2 equivalent of HCl?
How many grams of NaOH will react with 0.2 equivalent of HCl?
1. 0.59
2. 0.285
3. 1.18
4. none of these
5.
Correct Answer: 1.
Question 19: Heating pyrites to remove sulphur is called
1. Smelting
2. Calcination
3. Liquation
4. Roasting
5.
Correct Answer: 4.
Question 20: At CMC, the surfactant molecules undergo
1. dissociation and aggregation
2. aggregation and micelle formation
3. micelle formation and dissociation
4. all of the above
5.
Correct Answer: 2.
Question 21: Neutrons enter a magnetic field B in different directions with the same speed V.Which of the following statement is true?
1. No force acts on the neutrons
2. Force is maximum when the angle between B and V is 900
3. Force is maximum when the angle between B and V is 600
4. Force is maximum when the angle between B and B is 00
5. Force is maximum when the angle between B and V is 300
Correct Answer: 1.
Question 22: What is the effect of increases in pressure at equilibrium?
1. Favours forward reaction
2. favours backward reaction
3. no effect on the system
4. pressure depends upon concentration
5.
Correct Answer: 2.
Question 23: Which of the following compounds will give a voilet coloration with neutral ferric chloride solution
1. Benzoic acid
2. Benzyl alcohol
3. Salicylic acid
4. Nitrobenzene
5.
Correct Answer: 3.
Question 24: one of the oxidants used with liquid propellants is
1. ammonium perchlorate
2. nitrocellulose
3. sulphuric acid
4. nitrogen tetroxide(Na2O4)
5.
Correct Answer: 1.
Question 25: For weak electrolytes, plot of molar conductance against square root of concentration ?
1. Will give a straight line because Onsager equation is valid for them
2. Will give a straight line because Onsager equation is not valid for them
3. Will not give a straight line because Onsager equation is not valid for them
4. Will give not a straight line because Onsager equation is valid for them
5.
Correct Answer: 3.
