1. Consider the following statements about the primary waves.

1. P-waves move faster and are the first to arrive at the surface.
2. They travel only through solid material.
3. They are similar to sound waves.

Which of the above statements is/are correct?
(a) only 1 and 2
(b) only 1 and 3
(c) only 2 and 3
(d) All the above

2. Consider the following statements:

1. It has observed that seismographs located at any distance within 105°C. from the epicenter, recorded the arrival of both P and S- waves.
2. A zone between 105°C and 145°C from epicenter was identified as the shadow zone for both types of waves.

Which of the above statements is/are correct?
(a) only 1
(b) only 2
(c) Both 1 and 2
(d) Neither 1 nor 2

3. Consider the following statements:

1. The mercalli scale takes into account the visible damage caused by the earth quake
2. The range of the intensity scale is from 0-12.

Which of the above statements is/are correct?
(a) only 1
(b) only 2
(c) Both 1 and 2
(d) Neither 1 nor 2

4. In context of the structure of the earth consider the following statements.

1. The core mantle boundary is located at the depth of 2,900 km.
2. The core is made up of very heavy material mostly constituted by nickel and iron.
3. The outer core is in liquid state while the inner core is in solid state.

Which of the above statements is/are correct?
(a) only 1
(b) only 2 and 3
(c) only 1 and 3
(d) All the above

5. Which of the following is not part of Article 39 ?

A. Equal right of adequate means for men and women
B. ownership and control of resources distributed for common good
C. health of strength of workers is not abused
D. State shall secure equal justice and free legal aid

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ANSWER:
1(b) 2 (c) 3 (a) 4 (d) 5 (d)