Multiple Choice Questions & Answers on APSC Geology Optional | GkSeries

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31 Spire is present in the class of
1 Lamellibranchia
2 Brachiopoda
3 Cephalopoda
4 Gastropoda

Answer: Gastropoda
32 ______________________has the features of both plants and animals.
1 Alveolina
2 Coral
3 Euglena
4 Foraminifera

Answer: Euglena
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33 Gymnosperm is a plant which
1 exhibits no extinct varieties
2 bears flowers
3 does not produce seeds in cones
4 produces seeds in cones

Answer: produces seeds in cones
34 The age of Baculites is
1 Cretaceous
2 Tertiary
3 Devonian
4 Silurian

Answer: Cretaceous
35 Cranidium of trilobites is a combination of
1 glabella + free cheeks
2 glabella + fixed cheeks
3 glabella + genal angle
4 fixed cheeks + free cheeks

Answer: glabella + fixed cheeks
36 The normal class of monoclinic system is of
1 galena type
2 gypsum type
3 zircon type
4 beryl type

Answer: gypsum type
37 In hexagonal system, the twins are formed according to
1 Dauphine law
2 Carlsbad law
3 Pericline law
4 Manebach law

Answer: Dauphine law
38 Which one of the following is not galena type of a mineral?
1 Garnet
2 Spinel
3 Fluorspar
4 Rutile

Answer: Rutile
39 A crystal is a periodic arrangement of
1 atoms
2 molecules
3 ions
4 both atoms and molecules

Answer: both atoms and molecules
40 The phenomenon of piezoelectricity is exhibited by those crystals that lacks a
1 symmetry axis
2 plane of symmetry
3 centre of symmetry
4 pseudosymmetry

Answer: centre of symmetry
41 The Miller's symbol for parameters 1/2a:1/2b : c will be
1 2 0 1
2 1 1 2
3 0 1 2
4 2 2 1

Answer: 2 2 1
42 ________________helps in determination of order of interference colour.
1 Gypsum plate
2 Quartz wedge
3 Mica plate
4 Sensitive tint

Answer: Quartz wedge
43 Dichroism is restricted to the crystal system(s) of
1 isometric
2 triclinic and monoclinic
3 tetragonal and hexagonal
4 orthorhombic

Answer: tetragonal and hexagonal
44 Find the odd one out of the following :
1 Flint
2 Chalcedony
3 Anorthite
4 Opal

Answer: Anorthite
45 Find the odd one out of the following :
1 Grossular
2 Spessartite
3 Almandine
4 Lepidolite

Answer: Lepidolite

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