Indian Institute of Technology Guwahati (IIT-G) 2006 M.Sc Computer Science JAM (ENTRANCE FOR IN IITs) GEOLOGY - Question Paper

JAM 2006
GEOLOGY TEST PAPER

NOTE: Attempt ALL the 44 ques.. ques. 1-30 (objective questions)

carry 3 marks every and ques. 31- 44 (subjective questions)

carry fifteen marks every.
Write the answers to the objective ques. in the ans Table

for Objective ques. given on page 11 only.
1. In phyllosilicates, the tetrahedral cation to oxygen ratio is
(A) one : two
(B) one : three
(C) two : five
(D) four : 11

2. Which 1 of the subsequent groups of organisms belongs to terrestrial / fresh-water
environment?
(A) Echinoids
(B) Brachiopods
(C) Corals
(D) Pulmonate gastropods

3. A hill face slopes at an angle 40o due east. The joint set most likely to reason landslide
is the 1 dipping at
(A) 20o due west
(B) 30o due east
(C) 60o due east
(D) 65o due south-east
4. Octahedron and Tetrahedron both have the identical symbol {111}. The difference
ranging from the 2 in symmetry is
(A) three 2/m and 2/m three
(B) 4/m three 2/m and four three m
(C) four two m and 4/m 2/m 2/m
(D) four and four two m

5. The orthopyroxene – clinopyroxene – plagioclase mineral assemblage in
metabasic rocks is diagnostic of
(A) granulite facies
(B) amphibolite facies
(C) eclogite facies
(D) greenschist facies

6. The optical indicatrix of garnet is
(A) prolate
(B) oblate
(C) sphere
(D) triaxial ellipsoid
7. Match the subsequent
Group I Group II
(P) Micraster (1) Trilobite
(Q) Phacops (2) Dinosaur
(R) Equus (3) Mammal
(S) Barappasaurus (4) Echinoid

(A) P – one Q – two R – three S – four
(B) P – two Q – one R – four S – three
(C) P – three Q – four R – two S – one
(D) P – four Q – one R – three S – two

8. In clastic sedimentary rocks, grains ranging in size from 0.0625 mm to 2.0 mm are
called
(A) granule
(B) sand
(C) silt
(D) clay
9. Acme zone shows the
(A) range of a fossil species
(B) absence of a fossil species

Earning:   Approval pending.