66.

The major pedogenic process acting on soils at the macro scale are

A. laterisation and podsolisation B. calcification and salinisation
C. salinisation and gleisation D. All of the above
Answer:D
Explanation: No answer description available for this question.

67.

The minerals resources of north-eastern zone include

A. coal, Fe, Mn, Cu, Mica, U, diamond B. crude Petroleum and natural gas
C. Fe, Au(gold) D. natural gas, Fe, Au, Mn, U
Answer:A
Explanation: No answer description available for this question.

68.

The moon

A. is the natural satellite of earth B. has no liquid water
C. has no atmosphere D. All of the above
Answer:D
Explanation: No answer description available for this question.

69.

The moon's volume is about ____ that of earth.

A. 1/40 th B. 1/50 th
C. 1/60 th D. 1/20 th
Answer:B
Explanation: No answer description available for this question.

70.

The magnetic field of earth, Magnetosphere expands to about

A. 9600 km above the earth's surface B. 9600 km above the earth's surface
C. 64,000 km above the earth's surface D. None of the above
Answer:C
Explanation: No answer description available for this question.