Explore topic-wise MCQs in Engineering Geology.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Geology knowledge and support exam preparation. Choose a topic below to get started.

1.

The number of equigranular textures are ________________

A. 1
B. 3
C. 2
D. 4
Answer» C. 2
2.

Pick the wrong statement about granitic texture.

A. The constituents are coarse grained
B. The constituents are medium grained
C. The crystals show euhedral to subhedral outlines
D. The rock is microgranular
Answer» E.
3.

What is the term given when some granules are exceptionally large and few are small?

A. Mixed granular
B. Equigranular
C. Inequigranular
D. Unequigranular
Answer» D. Unequigranular
4.

The grain size involving use of microscope is ______________

A. Coarse grain
B. Medium grain
C. Fine grain
D. Very coarse grain
Answer» D. Very coarse grain
5.

Grain size 5mm to 1mm is termed as ______________

A. Coarse grained
B. Intermediate grained
C. Fine grained
D. Medium grained
Answer» E.
6.

What is the range of grain size for coarse grained igneous rock?

A. Above 2 mm
B. Below 2 mm
C. Above 5 mm
D. Below 5 mm
Answer» D. Below 5 mm
7.

What is the term used when constituents are crystallized completely?

A. Holocrystalline
B. Holohyalline
C. Homohyalline
D. Homocrystalline
Answer» B. Holohyalline
8.

The degree of crystallization where the constituents are very fine or glassy are ______________

A. Holocrystalline
B. Holohyalline
C. Homohyalline
D. Homocrystalline
Answer» C. Homohyalline
9.

Which of the following is not a factor explaining texture?

A. Wind conditions
B. Degree of crystallization
C. Granularity
D. Fabric
Answer» B. Degree of crystallization
10.

Pick the option which does not determine the texture of igneous rocks.

A. Colour
B. Size
C. Shape
D. Arrangement of the constituents within the body of the rock
Answer» B. Size