MCQs Of Geochemistry

By: Prof. Fazal Rehman Shamil
Last modified on May 27th, 2019

MCQs Of Geochemistry

1. Which planet is an exceptional case of Bode’s law?

A. Mars
B. Saturn
C. Uranus
D. Neptune

Answer - Click Here:
D

2. The lattice energy of an ionic crystal depends on the.

A. Electrostatic forces between ions of opposite charge
B. Internuclear repulsive forces
C. A tendency of the ions in the crystals
D. Both A and B

Answer - Click Here:
D

3. Siderites consist essentially of a.

A. Nickle – iron alloy
B. Nickel-iron alloy and silicates
C. Silicates only
D. Silicates and graphite’s

Answer - Click Here:
A

4. Which condition promotes to form high pressure?

A. Compact structures
B. Open structures
C. Both compact and open structures
D. Massive structures

Answer - Click Here:
B

5. Which one of the following aerolites are.

A. Iron meteorites
B. lron-stony meteorites
C. Stony meteorites
D. Metallic meteorites

Answer - Click Here:
C

6. Which is the most stable mineral towards weathering?

A. Quartz
B. Feldspar
C. Hornblende
D. Olivine

Answer - Click Here:
A

7. Resembling of Tektites is :
A. The Obsidian
B. The basalt
C. The rhyolites
D The granochiorite

Answer - Click Here:
A

8.The dielectric constant of water molecule is.

A. 50
B. 80
C. 100
D. 125

Answer - Click Here:
B

9. The upper layer of crust is made up of?

A. Silicon and lron
B. Silicon and Aluminium
C. Iron and magnesium
D. Silicon and magnesium

Answer - Click Here:
B

10. Tridymite are the example of ______.

A. Polymorphism
B. Isomorphism
C. Diadochi
D. None of-these

Answer - Click Here:
A

11. What is Picrolite?

A. Pyroxene – olivine rock
B. Pyroxene -garnet rock
C. Olivine – Plagioclase rock
D. Pyroxene – Plagioclase rock

Answer - Click Here:
A

12. The average pH of the sea water is.

A. 4.2
B. 5.5.
C. 7.0
D. 7.8

Answer - Click Here:
D

Prof. Fazal Rehman Shamil
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