Geology MCQ Paper Practice Test

Geology MCQ Paper Practice Test

Model Test Paper Earth Science

1.54: Topaz belongs to:

a) lnosilicate

b) Nesosilicate

c) Sorosilicate

d) Cyclosilicate

Answer. (b)



Q.2: What is the characteristic property of beryl:

a) Colour.

b) Luster.

c) Hexagonal prismatic crystals

d) Uneven fracture

Answer. (c)

Q.3: Cordierite is also known as:

a) Iolite

b) Pigeonite

c) Diopside

d) Antigorite

Answer. (a)

Q.4: The characteristic electrical property of Tourmaline is its:

a) High conductivity

b) Piezoelectricity

c) Pyroelectricity

d) High resistivity

Answer. (b)

Q.5: Black Toumaline is known as:

a) Schore

b) lndicolite

c) Sapphire

d) Achroite

Answer. (a)

  

Q.6: Mark which is not pyroxenoid:

a) Wollastonite

b) Pectolite

c) Chrysolite

d) Rhodonite

Answer. (c)

Q.7: Eulite - ferrosilite is:

a) Ca - rich and Fe - poor ortho pyroxene

b) Fe - rich and Ca - poor ortho pyroxene

c) Fe - rich pyroxene

d) Ca - rich clino pyroxene

Answer. (b)

Q.8: Crystals of pyroxenes are short prismatic with the nearly quadratic cross section due

to:

a) Cleavage pattern

b) Fracture pattern

c) Crystallization defect

d) None of the above

Answer. (a)

Q.9: Diallage mineral is:

a) Massive augite

b) Fibrous augite

c) Variety of Aegiriue

d) Massive hypersthene

Answer. (b)

Q.10: Foliated diopside is known as:

a) Diallage

b) Omphacite

c) Kunzite

d) Hiddenite

Answer. (b)

Q.11: Which is trichinic amphibole:

a) Anthophyllite

b) Tremolite

c) Riebeckite

d) Cossyrite

Answer. (d)

Q.12: Match the following:

             I                                         II

1) Amosite                    i) Fibrous serpentine

2) Actinolite                 ii) Asbestos

3) Crocidolite               iii) Fibrous antho phyllite

4) Chrysolite                iv) Fibrous riebeckite

a) 1-iii, 2-ii, 3-iv, 4-i.

b) 1-ii, 2-iii, 3-i, 4-iv.

c) 1-iv, 2-ii, 3-i, 4-iii.

d) 1-i, 2-ii, 3-iii, 4-iv.

Answer. (a)

Q.13: Chromium bearing mica is known as:

a) Sericite

b) Fuschsite

c) Damourite

d) Lepidomelane

Answer. (b)

Q.14: Percussion - figure found in mica when any pointed object is pressed against it the

figure is:

a) Four - rayed star

b) Six - rayed star

c) Eight - rayed star

d) Circular figure

Answer. (b)

Q.15: Mark the correct statement regarding chlorites:

a) These are flexible and elastic

b) These are flexible but not elastic

c) These are elastic but not flexible

d) These are brittle.

Answer. (b)

  

   Q.16: Among the following clay minerals, which mineral expands much more in presence of

Water:

a) Kaolinite

b) Illite

c) Montmorillonite

d) Halloysite.

Answer. (c)

Q.17: Bole is:

a) Pure halloysite

b) lmpure halloysite

c) Red kaolonite

d) Elite.

Answer. (b)

Q.18: Fuller’s Earth is composed dominantly of:

a) Montmorillonite

b) Illite

c) Kaolinite

d) Pyrophyllite.

Answer. (a)

Q.19: In felspars the cleavage planes are parallel to:

a) (100) face and (010) face.

b) (001) face and (010) face.

c) (010) face and (010) face.

d) Cleavage is absent.

Answer. (b)

Q.20: Amazon stone is a:

a) Bright green microcline

b) Gem variety or albite

c) Pink albite

d) Twinned orthoclare.

Answer. (a)

Q.21: Quartz mineral belongs to:

a) Sorosilicates.

b) InosiIicates.

c) Cyclosilicates.

d) Tektosilicates.

Answer. (d)

Q.22: Which is not the non-Crystalline variety of silica:

a) Cristobalite

b) Lecha telierite

c) Opal

d) Chalcedony

Answer. (a)

Q.23: Diatomite is a variety of:

a) Agate

b) Opal

c) Flint                        

d) Chert

Answer. (b)

Q.24 :The Inversion temperature between crystobalite and tridymite is:

a) 1380°C

b) 1490°C

c) 1470°C

d) 1540°c

Answer. (c)

Q.25: "Alexandrite" is:

a) Magnesium Oxide

b) Beryllium aluminium Oxide

c) Mercury chloride

d) Titanium dioxide.

Answer. (b)