Basic Science (MCQ) (Pages :22)

  • 61 When X-rays are produced then?

    (A) Heat is produced on the target
    (B) Heat is observed by the target
    (C) Temperature of the target is being constant
    (D) A luminous light is to be seen on the target
  • 62 Spores of which of the following is used as medicine?

    (A) Lycopodium
    (B) Sellagenalla
    (C) Cytolum
    (D) Equisetum
  • 63 A circular disc of copper has a symmetrical hole at its center. The disc is uniformly heated. The diameter of the hole will?

    (A) Increase
    (B) Decrease
    (C) Remain the some
    (D) None of these
  • 64 Which is the following type of materials act as effective catalysts?

    (A) Alkali metals
    (B) Transition metals
    (C) Alkaline earth metals
    (D) Radioactive metals
  • 65 One mega watt hour (MWH) is equal to?

    (A) 3.6 × 103 joule
    (B) 3.6 × 104 joule
    (C) 3.6 × 107 joule
    (D) 3.6 × 109 joule
  • 66 The escape velocity of a particle of mass m varies as?

    (A) m0
    (B) m
    (C) m2
    (D) m-1
  • 67 Which one of following is not a endocrine gland?

    (A) Adrenal
    (B) Pituitary
    (C) Thyroid
    (D) Liver
  • 68 In photosynthesis?

    (A) Light energy is converted into chemical energy
    (B) Chemical energy is converted into light energy
    (C) Chemical energy is converted into electrical energy
    (D) Light energy is converted into mechanical energy
  • 69 Acids reach with bases to give?

    (A) Ester
    (B) Alcohol
    (C) Salt
    (D) None
  • 70 The rate of diffusion of a gas is?

    (A) Directly proportional to its density
    (B) Directly proportional to its molecular mass
    (C) Directly proportional to the square of its molecular mass
    (D) Inversely proportional to the square root of its molecular mass
  • 71 Thermo flask prevents heat loss by?

    (A) Radiation
    (B) Conduction
    (C) Convection
    (D) All of the above
  • 72 Neutrino is a particle which?

    (A) Has no charge but has spin
    (B) Is charged like electron and has spin
    (C) Has no charge and no spin
    (D) None of these
  • 73 The core of a transformer is laminated to reduce?

    (A) Copper loss
    (B) Magnetic loss
    (C) Eddy current loss
    (D) Hysteresis loss
  • 74 Shape selective catalyst are known by this name because?

    (A) Of the shape of catalyst
    (B) Of specificity of catalyst
    (C) Size of pores of the catalyst can trap only selective species
    (D) None of these
  • 75 If the distance S covered by a moving car in rectilinear motion with a speed v in time t is given by S=vt, then the car undergoes?

    (A) A uniform acceleration
    (B) A non-uniform velocity
    (C) A uniform velocity
    (D) A non-unifrom acceleration
  • 76 Which of the following is a fluoride mineral of aluminum?

    (A) Feldspar
    (B) Cryolite
    (C) Mica
    (D) Porcels
  • 77 Which one of following contain no enzyme?

    (A) Bacteria
    (B) Virus
    (C) Lichen
    (D) Algae
  • 78 Amongst the following which is the largest island?

    (A) England
    (B) Japan
    (C) Borneo
    (D) New guinea
  • 79 Hydrochloric acid is also known as?

    (A) Galic acid
    (B) Picric acid
    (C) Muriatic acid
    (D) Chloric acid
  • 80 Which of the following do not have chlorophyll?

    (A) Algae
    (B) Bryophytes
    (C) Pteridophytes
    (D) Fungi
  • 81 A base is a substance which?

    (A) Donates electrons
    (B) Accepts proton
    (C) Gives OH- ions in water
    (D) All
  • 82 Earliest thermometer was developed by?

    (A) Celsius
    (B) Fahrenheit
    (C) Kelvin
    (D) Galileo
  • 83 Which of the properties of the element is a whole number?

    (A) Atomic mass
    (B) Atomic number
    (C) Atomic radius Gk Questions
    (D) Atomic volume
  • 84 Critical angle is minimum when a light ray passes from?

    (A) Air to glass
    (B) Glass to air
    (C) Glass to water
    (D) Water to glass
  • 85 A good moderator should?

    (A) Not be gas only
    (B) Not have appetite for neutrons only
    (C) Be light in mass number only
    (D) Be all above three
  • 86 Curd is sour due to presence of?

    (A) Citric acid
    (B) Lactic acid
    (C) Acetic acid
    (D) None of these
  • 87 The electron affinity of noble gases is?

    (A) Almost zero
    (B) Low
    (C) High
    (D) Very high
  • 88 Fromic acid is obtained from?

    (A) Red ants
    (B) Fats Census report 2011
    (C) Vinegar
    (D) Orange
  • 89 Five kingdom classification of whittaker is mainly based on?

    (A) Nucleus
    (B) Cell structure
    (C) Mode of nutrition
    (D) Complexity of organ
  • 90 Pick out the only scalar quantity?

    (A) Power
    (B) Electric field
    (C) Magnetic momentum
    (D) Average velocity

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