B:-Lagerstatte
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 as a 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
-Confined aquifers are also known as pressure aquifers
C:-The water level in a well penetrating a 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 correct sequence of Barrowian zones according to the increasing grade of
metamorphism?

A:-Biotite zone > Garnet zone > Chlorite zone Kyanite zone = Sillimanite zone ~> Staurolite zone
-Chlorite zone 7 810086 206 = Sillimanite zone > Garnet zone — Staurolite zone > Kyanite zone
C:-Sillimanite zone + Chlorite zone ~> Biotite zone > Kyanite zone ~ Garnet zone ~> Staurolite zone
D:-Chlorite zone — Biotite zone > Garnet 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