Class 7    General Science    Example [SC-7.2]

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Q 1. What is the full term of CNG (substitute for petrol) ?
 
  • Carbonated Natural Gas
  • Compressed Neutral Gas
  • Compressed Natural Gas
  • Compound Natural Gas
 
Q2. To prevent the evaporation of water from lakes, ---------- is sprayed on the surface of the water.
  • ethanol
  • cetyl alcohal
  • propanol
  • butanol
 
Q3. Which day is observed as World water Day ?
  • March 22
  • May 12
  • August 22
  • January 23
 
Q4. About ---------- of the earth is occupied with water.
  • one-third
  • three-fourths
  • half
  • one-tenth
 
Q5. There are two types of shadow: the umbra and the ----------.
  • enumbra
  • beluga
  • truffles
  • penumbra
Q6. When the moon comes between the sun and the earth in a straight line, the shadow of the moon falls on the earth. This is called ----------.
  • Solar Eclipse
  • Lunar Eclipse
  • Annular Eclipse
  • Penumbral Lunar Eclipse
 
Q7. How many colors are there in the sunlight ?
  • Six
  • Seven
  • Eight
  • Nine
 
Q8. An increase in temperature causes ---------- evaporation.
  • Sand
  • air
  • metal
  • water
 
Q9. State true of false: "Light travels in a straight line."
  • FALSE
  • Maybe
  • TRUE
  • None of these
 
Q10. When the earth comes in between the sun and the moon in a straight line, the shadow of the earth falls on the moon. This is called ----------.
  • Lunar Eclipse
  • Penumbral Lunar Eclipse
  • Solar Eclipse
  • Annular Eclipse
   
 
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