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Latest UPSSSC FSL Exam Question (Objective Questions), MCQ in English

Subjects : Physics, Chemistry, Biology, Mathematics, Forensic Science, Knowledge of concepts of Computer and Information Technology and contemporary technological, General information related to the state of Uttar Pradesh

Question Bank UPSSSC Forensic Science Laboratory Exam - English
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Physics

Question 1Single Answer
In ruby laser, the stimulated emission is due to transition from
  1. A
    metastable state to any lower state
  2. B
    any higher state of lower state
  3. C
    metastable state to ground state
  4. D
    any higher state to ground state
Question 2Single Answer
A direct current I flows along the length of an infinitely long straight thin walled pipe, then the magnetic field is
  1. A
    uniform throughout the pipe not zero
  2. B
    zero only along the axis of the pipe
  3. C
    zero at any point inside the pipe
  4. D
    maximum at the centre and minimum at the edge
Question 3Single Answer
convex lens made of glass has focal length 0.15m in air. If the refractive index of glass is 3/2, and that of water is 4/3 the focal length of lens when immersed in water is
  1. A
    0.45 m    
  2. B
    0.15 m
  3. C
    0.30 m       
  4. D
    0.6 m
Question 4Single Answer
Two sources are said to be coherent if they produce waves
  1. A
    having a constant phase difference
  2. B
    of equal wavelength
  3. C
    of equal speed
  4. D
    having same shape of wavefront
Question 5Single Answer
Three resistors 1 Ω, 2 Ω, 3Ω resistor a 3 V battery is connected. The current through 3 Ω resistor is -
  1. A
    0.75 A     
  2. B
    1 A
  3. C
    2 A         
  4. D
    1.5 A
Question 6Single Answer
Temperature can be expressed as derived quantity in terms of
  1. A
    length and mass
  2. B
    mass and time
  3. C
    length, mass and time
  4. D
    None of these
Question 7Single Answer
Electron volt is a unit of
  1. A
    potential difference
  2. B
    charge
  3. C
    energy
  4. D
    capacity
Question 8Single Answer
Dimensions of impulse are
  1. A
    [MLT –1]
  2. B
    [MLT²]
  3. C
    [MT–2]
  4. D
    [ML–1T–3]
Question 9Single Answer
Potential is measured in
  1. A
    joule/coulomb
  2. B
    watt/coulomb
  3. C
    newton–second
  4. D
    None of these
Question 10Single Answer
One Nanometer is equal to
  1. A
    10–9m
  2. B
    10–6m
  3. C
    10–10m
  4. D
    10–3m

Chemistry

Question 11Single Answer
Which of the following is not a synthetic fibre:
  1. A
    Anygora
  2. B
    Rayon
  3. C
    Nylon
  4. D
    Polyster
Question 12Single Answer
Which one of the following is not contained in Portland cement ?
  1. A
    Ca3Al2O6
  2. B
    Ca3SiO5
  3. C
    Ca2Si­O4
  4. D
    Ca3(PO4)2
Question 13Single Answer
What is the reson for white cement to be white ?
  1. A
    It does not contain carbon
  2. B
    It does not contain silicon
  3. C
    It does not contain iron
  4. D
    It does not contain calcium
Question 14Single Answer
Which fertilizer is assimilated directly by the plant ?
  1. A
    Super phosphate
  2. B
    Nitrolim
  3. C
    Muriate of Potash
  4. D
    Humus
Question 15Single Answer
Which of the following chemicals is used in foam fire extinguishers ?
  1. A
    Aluminium sulphate
  2. B
    Copper sulphate
  3. C
    Cobalt sulphate
  4. D
    Nickel sulphate 
Question 16Single Answer
What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?
  1. A
    Glass
  2. B
    Cement
  3. C
    paint
  4. D
    Gun powder
Question 17Single Answer
Which one of the following chemicals is used in beauty parlours for hair – setting ?
  1. A
    Sulphur based
  2. B
    Phosphorus based
  3. C
    Silicon based
  4. D
    Iron based 
Question 18Single Answer
Which one of the following is used as a mordant in dyeing and tanning industry ?
  1. A
    Magnesium oxide
  2. B
    Magnesium carbonate
  3. C
    Magnesium chloride
  4. D
    Magnesium sulphate
Question 19Single Answer
Which one of the following substances is used in the manufacture of safety matches ?
  1. A
    Red phosphorus
  2. B
    White phosphorus
  3. C
    Phosphorus trioxide (P2O3)
  4. D
    Black phosphorus
Question 20Single Answer
Which one of the following polymeric materials is used for making bullet proof jacket ?
  1. A
    Nylon –6, 6
  2. B
    Rayon
  3. C
    Kevlar
  4. D
    Dacron

Biology

Question 21Single Answer
The respiratory quotient during cellular respiration would depend on
  1. A
    the nature of enzymes involved
  2. B
    the nature of the substrate
  3. C
    the amount of carbon dioxide released
  4. D
    the amount of oxygen utilised
Question 22Single Answer
Which of the following is not a green - house gas ?
  1. A
    Water vapour
  2. B
    Carbon monoxide
  3. C
    Methane
  4. D
    Oxygen
Question 23Single Answer
Both husband and wife have normal vision though their fathers were colorblind and mothers did not have any gene for colorblindness. The probability of their daughters becoming colorblind is
  1. A
    50%          
  2. B
    75%
  3. C
    0% 
  4. D
    25%
Question 24Single Answer
An animal, which has both exoskeleton and endoskeleton structures is a
  1. A
    fresh-water mussel
  2. B
    tortoise
  3. C
    frog
  4. D
    jelly fish
Question 25Single Answer
Identify the group, which includes animals all of which give birth to young ones directly?
  1. A
    Dolphin, kangaroo, bat, cat
  2. B
    Platypus, penguin, bat, hippopotamus
  3. C
    shrew, bat, kiwi, car
  4. D
    Lion, whale, ostrich, bat
Question 26Single Answer
Which of the following contain enzymes for cellular respiration ?
  1. A
    Dictyosomes
  2. B
    Endoplasmic reticulum
  3. C
    lysosomes
  4. D
    Mitochondria
Question 27Single Answer
Which one among the following nutrients is a strctural
  1. A
    Cell membrane
  2. B
    Plasma membrane
  3. C
    Cell wall
  4. D
    Nucleus
Question 28Single Answer
Which one among the following nutrients is a structural component of the cell wall of plants ?
  1. A
    Manganese
  2. B
    Potassium
  3. C
    Phosphorus
  4. D
    Calcium
Question 29Single Answer
Which of the following groups is present in animal cells ?
  1. A
    Mitochondria, Cell membrane, Cell wall, Cytoplasm
  2. B
    Chloroplasts, Cytoplasm, Vacuole, Nucleus
  3. C
    Nucleus, Cell membrane, Mitochondria, Cytoplasm
  4. D
    Vacuole, cell membrane, Nucleus, Mitochondria
Question 30Single Answer
For which among the following is not a true fruit ?
  1. A
    Apple
  2. B
    Date
  3. C
    Grape
  4. D
    Plum

Mathematics

Question 31Single Answer
In a college  part girls and  part boys attended a social camp. How many parts in the collegs students attended the camp ?
  1. A
  2. B
  3. C
  4. D
  5. E
    None of the above
Question 32Single Answer
The sum of two number is 16 and their difference is 2. What is the product to both numbers ?
  1. A
    35
  2. B
    56
  3. C
    56
  4. D
    72
Question 33Single Answer
What are the positive factors of 160 .
  1. A
    6
  2. B
    8
  3. C
    5
  4. D
    12
Question 34Single Answer
What is the value of (51 + 52 + 53 ........100) ?
  1. A
    1325
  2. B
    5050
  3. C
    3775
  4. D
    3325
Question 35Single Answer
What is the sum of all natural numbers that come in the between 1 to 100, which a multiple of 7 ?
  1. A
    735
  2. B
    745
  3. C
    675
  4. D
    705
Question 36Single Answer
What is the unit digit of 279 + 167 × 342 ?
  1. A
    1
  2. B
    3
  3. C
    5
  4. D
    8
Question 37Single Answer
Which of the given values is completely divisible by 15 ?
  1. A
    2365
  2. B
    1375
  3. C
    4365
  4. D
    2275
Question 38Single Answer
For which value of M, the divisor 34M fully divisible by 12 ?
  1. A
    2
  2. B
    0
  3. C
    8
  4. D
    6
Question 39Single Answer
If 432p1 is completely divisiable 34M fully divisiable by 12 ?
  1. A
    1
  2. B
    8
  3. C
    7
  4. D
    2
Question 40Single Answer
Which is the smallest number to be added to 100, so that the resulting number is completely divisible by 6 ?
  1. A
    2
  2. B
    3
  3. C
    5
  4. D
    4

Forensic Science

Question 41Single Answer
Forensic science is primarily concerned with the application of scientific principles to which field?
  1. A
    Agricultural production
  2. B
    Environmental conservation
  3. C
    Industrial manufacturing
  4. D
    Legal investigations and administration of justice
Question 42Single Answer
The word “forensic” is derived from the Latin word “forensis,” which refers to what?
  1. A
    Laboratory
  2. B
    Medicine
  3. C
    Forum or public place
  4. D
    Investigation
Question 43Single Answer
Who is generally regarded as the father of modern forensic science because of his development of the exchange principle?
  1. A
    Francis Galton
  2. B
    Calvin Goddard
  3. C
    Edmond Locard
  4. D
    Hans Gross
Question 44Single Answer
Locard’s Exchange Principle is best expressed by which statement?
  1. A
    Every contact leaves a trace
  2. B
    Every criminal leaves fingerprints
  3. C
    Every crime requires a witness
  4. D
    Every specimen must contain DNA
Question 45Single Answer
Who established one of the world's first police crime laboratories at Lyon, France, in 1910?
  1. A
    Francis Galton
  2. B
    Alphonse Bertillon
  3. C
    Edmond Locard
  4. D
    Leone Lattes
Question 46Single Answer
Who is commonly associated with the development of anthropometry for criminal identification?
  1. A
    Alec Jeffreys
  2. B
    Walter McCrone
  3. C
    Alphonse Bertillon
  4. D
    Paul Kirk
Question 47Single Answer
Who published the influential work “Criminal Investigation” and is often called the father of criminalistics?
  1. A
    Mathieu Orfila
  2. B
    Karl Landsteiner
  3. C
    Calvin Goddard
  4. D
    Hans Gross
Question 48Single Answer
Which scientist is particularly associated with establishing the individuality and systematic study of fingerprints?
  1. A
    Albert Osborn
  2. B
    Edmond Locard
  3. C
    Francis Galton
  4. D
    Walter Specht
Question 49Single Answer
The principle stating that two objects cannot be completely identical in all respects is known as which forensic principle?
  1. A
    Principle of comparison
  2. B
    Principle of individuality
  3. C
    Principle of probability
  4. D
    Principle of reconstruction
Question 50Single Answer
According to the principle of comparison, an unknown forensic sample should primarily be compared with what?
  1. A
    An unrelated sample
  2. B
    Only a photograph
  3. C
    An appropriate known standard or reference sample
  4. D
    A laboratory reagent
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