Q: 19481 Role of biotechnology in the production of food based on ___________?

  1. 
    Decomposition
  2. 
    Respiration
  3. 
    Digestion
  4. 
    Fermentation
  5. 
    None of these

Q: 19482 Founder of modern astronomy was _________________?

  1. 
    Archimedes
  2. 
    William Gilbert
  3. 
    Nicolas Copernicus
  4. 
    Michael Faraday
  5. 
    None of these

Q: 19483 The instrument which measures very high temperature is____________?

  1. 
    Manometer
  2. 
    Thermostat
  3. 
    Chronometer
  4. 
    Pyrometer

Q: 19484 The science which deals with study of manners and customs of people is ?

  1. 
    Ethnology
  2. 
    Morphology
  3. 
    Ethics
  4. 
    Genetics
  5. 
    None of these

Q: 19485 Chemical used to kill rats and mice are ?

  1. 
    Insecticides
  2. 
    Rodenticides
  3. 
    Fungicides
  4. 
    Herbicides
  5. 
    None of these

Q: 19486 Dry ice is ___________?

  1. 
    Methane hydrate
  2. 
    Liquid Nitrogen
  3. 
    Solid Carbon dioxide
  4. 
    Frozen Water
  5. 
    None of these

Q: 19487 Defeciency of following vitamin decreases hemoglobin production ?

  1. 
    Biotin
  2. 
    Thiamine
  3. 
    Niacin
  4. 
    Pyridoxine
  5. 
    None of these

Q: 19488 Chemical name of vinegar is _____________?

  1. 
    Sodium Nitrate
  2. 
    Dilute acetic acid
  3. 
    Chloride of lime
  4. 
    Calcium

Q: 19489 Hygrometer is used for measuring the ____________?

  1. 
    Speed of sound
  2. 
    Density of milk
  3. 
    Humidity of air
  4. 
    Specific gravity of liquids
  5. 
    None of these

Q: 19490 Bronze is an alloy of ____________?

  1. 
    Copper and Zinc
  2. 
    Tin and Zinc
  3. 
    Copper and Tin
  4. 
    Iron and Zinc
  5. 
    None of these

Q: 19491 Which of the following is most elastic ?

  1. 
    Steel
  2. 
    Rubber
  3. 
    Glass
  4. 
    Sponge
  5. 
    None of these

Q: 19492 Orbital period of the planet Mercury around the sun is _____________?

  1. 
    88 days
  2. 
    365 days
  3. 
    2 years
  4. 
    98 days
  5. 
    None of these

Q: 19493 The most splendid and the most magnificent constellation on the sky is?

  1. 
    Orion
  2. 
    Columbia
  3. 
    Canis Major
  4. 
    Taurus
  5. 
    None of these

Q: 19494 Eugenics is the study of___________________?

  1. 
    Altering human beings by changing their genetic components
  2. 
    People of European region
  3. 
    Different races of mankind
  4. 
    Genetic of plants
  5. 
    None of these

Q: 19495 The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?

  1. 
    Aphelion
  2. 
    Perihelion
  3. 
    Perigee
  4. 
    Apogee
  5. 
    None of these

Q: 19496 Diamond is a very expensive ornament. It is composed of a single element ___________?

  1. 
    Carbon
  2. 
    Gold
  3. 
    Silver
  4. 
    Platinum
  5. 
    None of these

Q: 19497 Which of the following layers make radio transmission possible?

  1. 
    Troposphere
  2. 
    Ionosphere
  3. 
    Mesosphere
  4. 
    Stratosphere
  5. 
    None of these

Q: 19498 Which of the following explains the reason why there is no total eclipse of the sun?

  1. 
    Size of the earth in relation to that of moon
  2. 
    Orbit of moon around earth
  3. 
    Direction of rotation of earth around sun
  4. 
    Area of the sun covered by the moon
  5. 
    None of these

Q: 19499 Television signals are converted into light signals by___________?

  1. 
    Optical fiber
  2. 
    Transistor
  3. 
    Decoder
  4. 
    Photo diode
  5. 
    None of these

Q: 19500 Where do most of Asteroids lie?

  1. 
    In asteroid belt between the orbits of Mars and Jupiter
  2. 
    In asteroid belt between the orbits of Mars and Venus
  3. 
    In asteroid belt between the orbits of Jupiter and Venus
  4. 
    Everywhere in the sky
  5. 
    None of these