M.Sc. (Semester (CBCS) Examination Nov/Dec-2018
Applied Geology
SEDIMENTOLOGY AND PALAEONTOLOGY
Time: 2½ Hours Max. Marks: 70
Instructions: All questions carry equal marks.
Draw neat and labeled diagram wherever necessary.
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
Choose the wrong answer from the option given below:-
Are compacted
Form because of deposition of sediments
Are primary rocks
Contain a matrix
What type of sediment particles have worn surfaces and rounded corners?
Sorted Clastic
Unsorted Dissolved
What type of bedding has the heaviest and coarsest material is on the
bottom?
Graded Cementation
Clastic Metamorphic
Which is a sedimentary rock that forms as a result of precipitation from
seawater?
Shale Gypsum
Conglomerate Sandstone
Which sedimentary rock is composed of fragmented skeletons and shells of
sea organisms compacted and cemented together?
Shale Sandstone
Gypsum Limestone
A sediment contains particles that range in diameter from 2 to 4 centimeters.
Which sedimentary rock would be formed when this sediment is compressed
and cemented together?
Sandstone Shale
Siltstone Conglomerate
A geologist studies sandstone under microscope and discover that its sand
particle are very sharp, angular pieces of quartz and lithic fragments. What
can be deduced from this observation?
The sand was tumbled vigorously in a stream
The sand was subjected to very high pressure during diagenesis
The sand was did not travel very far from where its parent rock
disintegrated
The sand was transported by wind in desert environment
Fossils which have limited geological range but have a very wide geographical
range is known as
Trace fossils Body fossils
Living fossils Index fossils
Page 2 of 3
SLR-VB-27
Which of the following is the correct order of the division
Families Genera class Phylum kingdom
Genera Families class Phylum kingdom
Kingdom Families Genera class Phylum Order
Genera kingdom Families Phylum
10) The study of organic walled microfossils is called as:
Micropaleontology Palynology
Ichnology Paleontology
11) Which of the following has agglutinated type of shell?
Conodonts Radiolarian
Foraminifera Trilobites
12) Trilobites with pygidium equal to that of cephalon is called
Micropygous
Macropygous
Either Macropygous or Isopygous
Isophygous
13) The first vertebrate reported from which geological age
Devonian Ordovician
Silurian Cambrian
14) Which one of the following is an upper Gondwana flora?
Ptillophyllum Phyllotheca
Glossopteris Schizoneura
Q.2 Answer the following any four:-
1. Rocks weathering agents.
2. Cross bedding
3. Tillite
4. Pseudo fossils
5. Agnatha fishes
08
Write notes on. (Any Two)
1. Define roundness and angularity
2. Heavy mineral significance
3. Indian dinosaur
06
Q.3 Answer the following Any
1. Sedimentary cycle
2. Application of benthic foraminifera
3. Lower Gondwana flora
08
Answer the following any one
1. Explain mineralogical and textural classification of sandstone.
2. Morphology and age of trilobites, explain its significance.
06
Q.4 Answer the following Any
1. Explain marine sedimentary environment.
2. Modes of fossil preservations.
3. Outline on Siwalik mammals.
10
Answer the following any one
1. Reynolds number and its application.
2. Dinosaur fossils? Causes of extinction of dinosaur.
04
Page 3 of 3
SLR-VB-27
Q.5 Answer the following. (Any two) 14
Define rocks texture. What are different parameter to identify sedimentary rock
on field?
Define diagenesis. Explain different process in diagenesis with diagrams.
Write note on Evolution of man.