Civil Services Prep

Prelims MCQ · Geography

Assertion (A): At distances greater than 145° from an earthquake’s epicentre, seismographs may record P-waves but not S-waves.

Reason (R): The outer core is liquid; P-waves can travel through liquid materials, whereas S-waves can travel only through solids.

  1. A is true, but R is false.
  2. A is false, but R is true.
  3. Both A and R are true, but R is not the correct explanation of A.
  4. Both A and R are true, and R is the correct explanation of A.
  1. A geological survey records the following intrusive bodies: Body P is thin and nearly horizontal. Body Q is…
  2. A place has the following characteristics: Its underlying land surface heats rapidly during summer and cools…
  3. A stream on one side of a divide has a steeper gradient and receives more precipitation than a neighbouring…
  4. A survey identifies three plate-boundary settings: At boundary X, normal and reverse magnetic strips parallel…
  5. Although the vertical pressure-gradient force in the lower atmosphere is much greater than the horizontal…
  6. An earthquake releases energy at a point below the Earth’s surface. Which one of the following correctly…