Name of the Organisation : University Of Library - Cochin University of Science and Technology
Name of the Exam : Common Admission Test (CAT)
Document Type : Sample Question Paper
Year: 2016
Subject: Geology

Website : www.library.cusat.ac.in/cat/2016/
Download Model/Sample Question Papers: http://www.indianjobtalks.com/uploads/76244-Geology.pdf

CAT Geology Model Question Paper :
1. What is the mean radius of the Earth?
A. 6137 km
B. 6317 km
C. 6731 km
D. 6371 km

2. What is the distance between the Moon and the Earth?
A. 180000 km
B. 280000 km
C. 380000 km
D. 480000 km

3. What is the difference between the polar radius and the equatorial radius of the Earth?
A. 21 km
B. 62 km
C. 120 km
D. 210 km

4. At what velocity seismic P-waves travel in granite?
A. 2 km/s
B. 6 km/s
C. 12 km/s
D. 20 km/s

5. Who discovered that the Earth has a solid inner core inside a molten outer core?
A. Beno Gutenberg
B. Andrija Mohorovicic
C. Charles Richter
D. Inge Lehman

6. What is the mean density of the Earth in g/cc?
A. 2.51
B. 3.51
C. 4.51
D. 5.51

7. Which of the following is the most dominant mineral in granite?
A. Quartz
B. Feldspar
C. Hornblende
D. Biotite

8. To measure which of the following, a contact goniometer is used?
A. Optical angle of minerals
B. Hardness of minerals
C. Reflectance of minerals
D. Interfacial angle of crystals

9. Match the twin law/type with the appropriate mineral
1. Brazil a. Plagioclase
2. Iron cross b. Gypsum
3. Manebach c. Quartz
4. Pericline d. Pyrite
5. Swallo-tail e. Orthoclase
A. 1a-2b-3c-4d-5e
B. 1a-2c-3e-4d-5b
C. 1c-2b-3a-4e-5b
D. 1c-2d-3e-4a-5b

10. Which of the following can not become a twin axis?
A. 2-fold symmetry axis
B. 3-fold symmetry axis
C. 4-fold symmetry axis
D. 6-fold symmetry axis

11. Match the twin law/type with the appropriate crystal system.
1. Dauphine a. Isometric
2. Iron-cross b. Tetragonal
3. Genticulated c. Monoclinic
4. Pericline d. Trigonal
5. Swallo-tail e. Triclinic
A. 1a-2b-3c-4d-5e
B. 1a-2b-3d-4e-5c
C. 1d-2a-3e-4b-5c
D. 1d-2a-3b-4e-5c

12. Which of the following minerals has the highest content of iron in it?
A. Magnetite
B. Hematite
C. Ilmenite
D. Wustite

13. Which of the following is not an ore of copper?
A. Pyrite
B. Chalcopyrite
C. Malachite
D. Azurite

14. Which of the following rocks hosts diamond?
A. Carbonatite
B. Komatiite
C. Lamprophyre
D. Lamproite

15. What is the interfacial angle between two adjacent faces of a hexagonal prism (in degrees) ?
A. 30
B. 60
C. 120
D. 180

16. What is the Si:O ratio in single chain inosilicates?
A. 1 : 2
B. 1 : 3
C. 1:4
D. 2:7

17. Which among the following is not a cyclosilicate?
A. Beryl
B. Cordierite
C. Epidote
D. Tourmaline

18. Which of the following is not a metamorphic mineral?
A. Kyanite
B. Sillimanite
C. Fayalite
D. Graphite

19. Which of the following is characteristically formed at convergent plate margins?
A. Andesites
B. Basalts
C. Pillow lavas
D. Tholeiites

20. Which are the two common minerals in amphibolites?
A. Actinolite and tremolite
B. Amphibole and pyroxene
C. Hornblende and plagioclase
D. Ortho and clino amphiboles