Q: 12701 When were blue jeans invented in _________?

  1. 
    1900s
  2. 
    1860s
  3. 
    1870s
  4. 
    1850s

Q: 12702 What charge card, developed in 1950, was the first to be accepted nationally in the US?

  1. 
    Visa
  2. 
    Discover
  3. 
    MasterCharge
  4. 
    Diner';s Club

Q: 12703 ";Father of Optics"; is the title given to__________?

  1. 
    Ibn-al-Haitham
  2. 
    Ibn-e-Sina
  3. 
    Al-Kandi
  4. 
    Al-Biruni

Q: 12704 Galileo was an Italian astronomer who _________?

  1. 
    Developed the telescope
  2. 
    Discovered four satellites of Jupiter
  3. 
    Discovered that the movement of pendulum produces a regular time measurement
  4. 
    All of the above

Q: 12705 Exposure to sunlight helps a person improve his health because ________?

  1. 
    Resistance power increases
  2. 
    The infrared light kills bacteria in the body
  3. 
    The ultraviolet rays convert skin oil into Vitamin D
  4. 
    The pigment cells in the skin get stimulated and produce a healthy tan

Q: 12706 Gravity setting chambers are used in industries to remove ________?

  1. 
    NOx
  2. 
    SOx
  3. 
    CO
  4. 
    Suspended particulate matter

Q: 12707 Friction can be reduced by changing from _________?

  1. 
    Rolling to sliding
  2. 
    Sliding to rolling
  3. 
    Dynamic to static
  4. 
    Potential energy to kinetic energy

Q: 12708 Frederick Sanger is a twice recipient of the Nobel Prize for ________?

  1. 
    Physics in 1956 and 1972
  2. 
    Chemistry in 1958 and 1980
  3. 
    Physics in 1903 and Chemistry in 1911
  4. 
    Chemistry in 1954 and Peace in 1962

Q: 12709 Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the _______?

  1. 
    Centripetal force due to the earth';s rotation
  2. 
    Earth';s gravitational pull
  3. 
    Pressure of the atmosphere
  4. 
    Moon';s gravitational pull

Q: 12710 For seeing objects at the surface of water from a submarine under water, the instrument used is ________?

  1. 
    Periscope
  2. 
    Telescope
  3. 
    Kaleidoscope
  4. 
    Spectroscope

Q: 12711 In a normal human body, the total number of red blood cells is ________?

  1. 
    20 trillion
  2. 
    25 trillion
  3. 
    30 trillion

Q: 12712 The Structure in a cell which contains the genes is called:

  1. 
    Genetics
  2. 
    Saliva
  3. 
    Marrow
  4. 
    Chromosome

Q: 12713 Which metal is non toxic in nature?

  1. 
    Silver
  2. 
    Iron
  3. 
    Copper
  4. 
    Gold

Q: 12714 The floral part that produces pollen grains is:

  1. 
    Sepal
  2. 
    Petal
  3. 
    Anther
  4. 
    Ovary

Q: 12715 Which of these fruits develop from an inflorescence?

  1. 
    Apple
  2. 
    Guava
  3. 
    Pineapple
  4. 
    Grape

Q: 12716 Of the total number of genes inherited by a child:

  1. 
    more are from the father
  2. 
    more are from the mother
  3. 
    there are an equal number from each parent
  4. 
    there is never a constant number from the parents

Q: 12717 _________ is psychological study of values and moral principles?

  1. 
    Axiology
  2. 
    Sociology
  3. 
    Idiology
  4. 
    Criminology

Q: 12718 An edible underground stem is?

  1. 
    Ginger
  2. 
    Sweet-potato
  3. 
    Sugarcane
  4. 
    Radish

Q: 12719 Potassium meta-bisulphite is used as a food preservative for?

  1. 
    Squash
  2. 
    Tomato Ketchup
  3. 
    Fruit Juices
  4. 
    Pickles

Q: 12720 Who enunciated the laws of planetary motion?

  1. 
    Nicolaus Copernicus
  2. 
    Johannes Kepler
  3. 
    Isaac Newton
  4. 
    Galile