Who discovered the laws of planetary orbits?

  • Galileo Galilei
  • Nicholas Copernicus
  • Johannes Kepler
  • None of them
  • Johannes Kepler

What do you mean by Sunspots?

  • visible irregular dark patches on the photosphere of the sun resulting from a localised fall in the temperature to about 4000K
  • desert areas on the sun
  • dark patches on the surface of the sun which are cooler areas
  • all of these
  • visible irregular dark patches on the photosphere of the sun resulting from a localised fall in the temperature to about 4000K

What do you mean by ‘Black Hole’ in our solar system?

  • Contracted star with an intense gravitational pull
  • Collapsing of low density
  • Holes occurring in heavenly bodies
  • None of these
  • Contracted star with an intense gravitational pull

Processes that shape the earth’s surface include:

  • Hypogene processes
  • Geomorphic processes
  • Tetra-tonsorial processes
  • None of the above
  • Geomorphic processes

Which of the following waves are responsible for most of the destructive force of the earthquake?

  • R-wave
  • S-wave
  • L-wave
  • All of the above
  • L-wave

Sedimentary rocks are also called?

  • Aqueous rocks
  • Stratified rocks
  • Both “Aqueous rocks” and “Stratified rocks”
  • None of these
  • Stratified rocks