EARTH MCQS SET 03

EARTH MCQS SET 03

1. The average gravitational force of the earth is
a) 98 cm/s2
b) 980 cm/s2
c) 9800 cm/s2
d) 980 cm/s

2. The Value of Universal Gravitational Constant (G) in S.I. unit is
a) 6.67 X 10^-8
c) 6.67 X 10^-10
b) 6.67 X 10^-9
d) 6.67 X 10^-12

3. The total magnetic field strength is weakest at
a) 0o latitude
c) 90o latitude
b) 30o N – 30o S latitude
d) 60o N – 60o S latitude

4. The P-wave velocities are highest in
a) Air
b) Water
c) Sand
d) Granite

5. In terms of electric conductivity, granites can be described as
a) Good conductors
c) Moderate conductors
b) Bad conductors
d) Semi-conductors

6. Which of the following has the least electrical resistivity
a) Diamond
b) Sulphur
c) Clay
d) Anthracite

7. The plants which indicates the presence of groundwater are described as
a) Hydrophytes
c) Phreatophytes
b) Halophytes
d) Xerophytes

8. Which of the following instruments is NOT used in geochemical prospecting
a) Atomic Absorption Spectrophotometer
b) Emission Spectrograph
c) Flame photometer
d) Optical microscope

9. Gold prospecting in both geophysical and geochemical methods is most effectively done by
a) Electromagnetic surveys
c) Seismic profiling
b) Remote sensing
d) Soil analysis

10. Which sampling method is resorted to when the exposure of outcrops are scarce?
a) Bulk sampling
c) Trenching
b) Drilling
d) Well-logging

ANSWERS:
1)b)980 cm/s2
2)c)6.67 X10^-10
3)a)0degree latitude
4)d)Granite
5)c)Moderate conductors
6)d)Anthracite
7)c)Phreatophytes
8)d)Optical microscope
9)d)Soil analysis
10)c)Trenching