Download Earth Sciences for Civil Engineering Assignment-2 (Week-2

Earth Sciences for Civil Engineering
Assignment-2 (Week-2)
MULTIPLE CHOICE QUESTIONS (MCQ)
Q. 1 – Q.15 carry one mark each.
1. Polymorphs have
same chemical composition and same crystal structure
different chemical composition but different crystal structure
same chemical composition but different crystal structure
None of these
2. Which of the following is a mineral?
(A)
Coal
(B)
Petroleum
(C)
Natural gases
(D)
Diamond
(A)
(B)
(C)
(D)
3. Which of the following is not considered a physical property of minerals?
A)
silicate structure
B)
streak
C)
hardness
D)
luster
4. Which physical properties of a given mineral displays the greatest variation
A)
color
B)
hardness
C)
luster
D)
streak
5. A mineral breaks along preferred directions is called
A)
cleavage
B)
hardness
C)
crystal form
D)
fracture
6. Which of the following is not a form of intrusive igneous rocks
(A) Dykes
(A)
Sills
(B)
Laccoliths
(C)
Concordant
7. What is the last mineral to crystallize from a magma in Bowen’s reaction series
(A) olivine
(B) quartz
(C) pyroxene
(D) Biotite
8. Which of the following describes the Gabbro?
(A) fine-grained, dark-colored igneous rock poor in silica
(B) Coarse-grained, dark-colored igneous rock poor in silica
(C) Fine-grained, dark-colored igneous rock rich in silica
(D) Coarse -grained, dark-colored igneous rock rich in silica
(A)
(B)
(C)
(D)
9. What is the volcanic equivalent of the gabbro?
rhyolite
gabbro
andesite
basalt
10. Which of the following mineral is not part of the discontinuous reaction series?
(A) olivine
(B) pyroxene
(C) amphibole
(D) plagioclase
11. Identification of Calcite in sedimentary rock can be done by using
(A) the rock will glow in the dark
(B) the rock will break to form smooth surfaces
(D) the rock will taste salty
(C) hydrochloric acid will cause the calcite to fizz
12. Breccia belongs to which type of sedimentary rocks?
(A) organic sedimentary
(B) chemical sedimentary
(C) clastic sedimentary
(D) All of them
13. The major difference between breccia and conglomerate is
(A)size of grain
(B) shape of grain
(C) composition of grain
(D)all of these
14. A rock is
(A)a naturally occurring, hard, solid substance
(C)an aggregate of minerals
(B) any hard, solid substance on earth
(D)only produced by cooling of magma
15. Limestone's are very rich in
(A)calcium
(B) Potassium (C)calcium carbonate
(D)magnesium carbonate