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

(C) maximum abundance of a fossil species
(D) migration of a fossil species
10. Which 1 of the subsequent sedimentary features can be used to determine the
unidirectional palaeocurrent?
(A) Asymmetrical ripple marks
(B) Symmetrical ripple marks
(C) Parting lineation
(D) Load cast

11. Match the subsequent

Group I Group II
(P) plutonic rocks 1. sanidine
(Q) subduction zone 2. stishovite
(R) impact crater 3. microcline
(S) volcanic rocks 4. jadeite

(A) P – two Q – three R – four S – one
(B) P – three Q – one R – two S – four
(C) P – four Q – one R – two S – three
(D) P – three Q – four R – two S – one
12. The feldspathoid current in phonolite is
(A) nepheline
(B) sanidine
(C) kalsilite
(D) albite
13. Match the subsequent
Group I Group II
(P) braid bars (1) wind
(Q) moraines (2) riverine
(R) barchans (3) marine
(S) atoll (4) glacial

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

14. The presence of pillow structures in igneous rocks is indicative of
(A) layered basic intrusion
(B) subaerial volcanism
(C) submarine volcanism
(D) shield volcanism
15. Mesas are common in the
(A) Eastern Ghats granulite belt
(B) Himalayan mountain range
(C) Deccan Traps
(D) Dharwar greenstone belt
16. Chromite deposits outcome from
(A) early magmatic dissemination
(B) early magmatic segregation
(C) early magmatic injection
(D) late magmatic residual fluid injection
17. In a normal stratigraphic sequence, erosion can sometimes expose older rocks within

Earning:   Approval pending.