1. Depending upon the mode of formation, sedimentary rocks are classified into three major groups. Consider the following statements in this context.
1. Sandstone, conglomerate, shale, loess etc. are mechanically formed sedimentary rocks.
2. Geyserites, chalk, limestone, are organically formed sedimentary rocks.
3. Chert, halite, potash etc. are some examples of chemically formed sedimentary rocks.
Which of the above statements are correct?
(a) Only 1 & 2
(b) Only 1 & 3
(c) Only 2 & 3
(d) All of the above
2. Consider the following statements about diastrophism processes.
1. Diastrophism processes move, elevate or build up portions of the earth’s crust.
2. Orogenic and epeirogenic processes are the only example of diastrophism processes.
Which of the above statement(s) is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 & 2
(d) Neither 1 nor 2
3. Correctly match the following
A. Umbra            1. Situation of moon when it is nearest to the earth.
B. Penumbra         2. Total solar eclipse occurs.
C. Aphelion          3. Position of earth when it is at the greatest distance from the sun.
D. Perigee           4. Partial solar eclipse occurs.
5. Position of earth when it is nearest to the sun.
Select the correct code:
(a) A – 1, B – 3, C – 5, D – 4
(b) A – 2, B – 4, C – 3, D – 1
(c) A – 5, B – 2, C – 4, D – 3
(d) A – 2, B – 4, C – 1, D – 3
