Q: 12781 Refraction of sound can occur in:

  1. 
    Water
  2. 
    Air
  3. 
    Both A and B
  4. 
    None of these

Q: 12782 Chromosomes first become visible during which phases of mitosis:

  1. 
    Prometaphase
  2. 
    Telophase
  3. 
    Prophase
  4. 
    Metaphase

Q: 12783 A blood alcohol level above ________ will often result in death:

  1. 
    0.10
  2. 
    0.20
  3. 
    0.30
  4. 
    0.41

Q: 12784 The chemical used as a fixer in photography is__________?

  1. 
    Sodium sulphate
  2. 
    Borax
  3. 
    Sodium thiosulphate
  4. 
    Ammonium sulphate

Q: 12785 The brightest colour emitted by the sun is:

  1. 
    Violet
  2. 
    Yellow-Green
  3. 
    Green- Blue
  4. 
    Red

Q: 12786 When did Amnesty International won the Noble Prize:

  1. 
    1917
  2. 
    1967
  3. 
    1977
  4. 
    1987

Q: 12787 In bacteria mesosomes take the place of which one of the following?

  1. 
    Ribosome
  2. 
    Mitochondria
  3. 
    Golgi bodies
  4. 
    None of these

Q: 12788 Which product is obtained in the manufacture of soap from oils:

  1. 
    Sodium chloride
  2. 
    Sodium hydroxide
  3. 
    Fats
  4. 
    Glycerine

Q: 12789 Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body:

  1. 
    Right Auricle
  2. 
    Left Auricle
  3. 
    Right Ventricle
  4. 
    Left Ventricle

Q: 12790 Most gases conduct electricity at:

  1. 
    Normal pressure
  2. 
    Very low pressure
  3. 
    Very high pressure
  4. 
    None of these

Q: 12791 All of the following foods lack vitamin C, except

  1. 
    Cheese
  2. 
    Milk
  3. 
    Rice
  4. 
    None of these

Q: 12792 Which among the following lens is used to correct Presbyopia?

  1. 
    Convex
  2. 
    Concave
  3. 
    Bifocal
  4. 
    Cylindrical

Q: 12793 Who discovered the blood group of man?

  1. 
    Edward Jenner
  2. 
    Laren
  3. 
    Karl Landsteiner
  4. 
    William Harvey

Q: 12794 DNA is _____________?

  1. 
    Acetic Acid
  2. 
    A class of nucleic acids
  3. 
    Citric Acid
  4. 
    None of these

Q: 12795 The fastest bird is the Peregrine Falcon, clocked at speeds of up to _____ miles per hour?

  1. 
    240
  2. 
    250
  3. 
    260
  4. 
    230

Q: 12796 The red blood cells originate in the ____________?

  1. 
    Brain
  2. 
    Muscles
  3. 
    Ligaments
  4. 
    Bone Marrow

Q: 12797 Skin has ___________ layers?

  1. 
    One
  2. 
    Two
  3. 
    Three
  4. 
    Four

Q: 12798 Atmospheric pressure decrease rapidly with altitude because the air becomes_______ ?

  1. 
    Colder
  2. 
    Less denser
  3. 
    Rich in Ozone
  4. 
    Warmer

Q: 12799 BRT stand for ?

  1. 
    Blue rapid Transport
  2. 
    Best road transportation
  3. 
    Bus Rapid Transit
  4. 
    Best road Transit

Q: 12800 Which of the following is a positively charged particle emitted by a radioactive element?

  1. 
    Beta Rays
  2. 
    Alpha Rays
  3. 
    Gamma Rays
  4. 
    None of these