B:-Lagerstétte
C:-Hemera
D:-Epibole
Correct Answer:- Option-B
Question60:-The largest felsic volcanic province of India.
A:-Maleri Volcanic Suite
B:-Dras Volcanics
C:-Deccan Basalt Province
D:-Malani Igneous Suite
Correct Answer:- Option-D

Question61:-The chemical weathering process which is responsible for the conversion of potash feldspar (orthoclase) in the
rocks to clay mineral and colloidal silica.

A:-Hydrolysis

B:-Hydration

C:-Oxidation

D:-Solution

Correct Answer:- Option-A
Question62:-The Kerala coast is described 35 8 coast, falling under the 'Terrigenous coast of primarily
morphologic disequilibrium®.

A:-Dalmation

B:-Divergent

C:-Submergent

D:-Emergent

Correct Answer:- Option-C
Question63:-In the concept of Integrated Solid Waste Management (ISWM), which of the following comes at the top of the
hierarchy?

A:-Disposal

B:-Reduction

C:-Reuse

D:-Recovery

Correct Answer:- Option-B
Question64:-Which of the following statements is NOT CORRECT?

A:-A perched aquifer is a special type of unconfined aquifer

B:-Confined aquifers are also known as pressure aquifers

C:-The water level in a well penetrating 8 confined aquifer defines the elevation of the piezometric surface at that point

D:-Pumping from a well in a leaky aquifer removes water by only horizontal flow within the aquifer

Correct Answer:- Option-D
Question65:-The system of geochronological dating that has been very valuable in studying the oldest components of the
continental crust because of its survival through various alteration processes.

A:-Sm-Nd system

B:-Rb-Sr system

C:-K-Ar system

D:-U-Pb system

Correct Answer:- Option-A
Question66:-The typical texture exhibited by lamprophytes

A:-Rapakivi texture

B:-Panidiomorphic texture

C:-Ophitic texture

D:-Poikilitic texture

Correct Answer:- Option-B

Question67:-Which of the following is the comrect sequence of Barrowian zones according to the increasing grade of
metamorphism?

A:-Biotite zone ¬+ Gamet zone -+ Chlorite zone - Kyanite zone - Sillimanite zone - Staurolite zone
B:-Chlorite zone - Biotite zone - Sillimanite zone ¬+ Gamet zone -+ Staurolite zone - Kyanite zone
C:-Sillimanite zone ¬+ Chlorite zone -+ Biotite zone - Kyanite zone + Gamet zone - Staurolite zone
D:-Chlorite zone -+ Biotite zone + Gamet zone ¬+ Staurolite zone -+ Kyanite zone - Sillimanite zone
Correct Answer:- Option-D

Question68:-The mouth of most echinoids is provided with five hard teeth arranged in a circlet forming an apparatus known
as

A:-Cranidium