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CSIR NET Earth Science Exam  >  CSIR NET Earth Science Tests  >  CSIR NET Earth Science Mock Test Series  >  CSIR NET Earth Science Mock Test - 4 - CSIR NET Earth Science MCQ

CSIR NET Earth Science Mock Test - 4 - CSIR NET Earth Science MCQ


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30 Questions MCQ Test CSIR NET Earth Science Mock Test Series - CSIR NET Earth Science Mock Test - 4

CSIR NET Earth Science Mock Test - 4 for CSIR NET Earth Science 2024 is part of CSIR NET Earth Science Mock Test Series preparation. The CSIR NET Earth Science Mock Test - 4 questions and answers have been prepared according to the CSIR NET Earth Science exam syllabus.The CSIR NET Earth Science Mock Test - 4 MCQs are made for CSIR NET Earth Science 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for CSIR NET Earth Science Mock Test - 4 below.
Solutions of CSIR NET Earth Science Mock Test - 4 questions in English are available as part of our CSIR NET Earth Science Mock Test Series for CSIR NET Earth Science & CSIR NET Earth Science Mock Test - 4 solutions in Hindi for CSIR NET Earth Science Mock Test Series course. Download more important topics, notes, lectures and mock test series for CSIR NET Earth Science Exam by signing up for free. Attempt CSIR NET Earth Science Mock Test - 4 | 150 questions in 180 minutes | Mock test for CSIR NET Earth Science preparation | Free important questions MCQ to study CSIR NET Earth Science Mock Test Series for CSIR NET Earth Science Exam | Download free PDF with solutions
CSIR NET Earth Science Mock Test - 4 - Question 1
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The most sensitive instrument for magnetic survey is

CSIR NET Earth Science Mock Test - 4 - Question 2
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Assuming the Earth to be a perfect sphere, its equatorial velocity is approximately __________ km/hr

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CSIR NET Earth Science Mock Test - 4 - Question 3
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Agranite blockol 2m x 5m x 3m size is cut into 5 cm thick slabs of 2m x 5m size. These slabs are laid over a2m wide pavement. What is the length of the pavement that can be covered with these slabs?

CSIR NET Earth Science Mock Test - 4 - Question 4
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A person travels one fourth of his distance with 20 km/hr, half of the distance with 40 km/hr and the rest of the distance with 10 km/hr. What is his average speed throughout the journey?
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 4

Average speed = Total distance/Total time
Time = distance/speed
Let total distance = x
Time taken for one fourth distance = (x/4)/20 = x/80
Time taken for half the distance = (x/2)/40 = x/80
Time taken for the other one fourth = (x/4)/10 = x/40
Total time = 4x/80
= x/20
Average speed = (x)/(x/20)
= 20 km/hr

CSIR NET Earth Science Mock Test - 4 - Question 5
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There is an inner circle and an outer circle around a square. What is the ratio of the area of the outer circle to that of the imer circlel
CSIR NET Earth Science Mock Test - 4 - Question 6
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2KaISi3O8 + 2H2O + CO2 → Al2Si2O5(OH)4 + K2CO3 + 4SiO2

Orthoclase + Carbonic acid → ___________ + Pot. Carbonate + Silica

Identify the mineral in the blank space of the equation.
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 6

The reaction of orthoclase with carbonic acid yields kaolinite {Al2Si2O5(OH)4 } and Pot. Carbonate and silica.

CSIR NET Earth Science Mock Test - 4 - Question 7
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Minerals like Orthoclase and Felspar undergo which method of chemical decomposition?
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 7

Ions may be exchanged whereby some ions from water may enter into the crystal lattice of the mineral. This process of exchange of ions is called hydrolysis. It is a very common process of weathering of silicate minerals and is best explained with reference to weathering of mineral Orthoclase, Felspar.

CSIR NET Earth Science Mock Test - 4 - Question 8
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Which of the following is reduction?
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 8

Oxidation means of either removal of electron or hydrogen or addition of oxygen but, reduction may involve removal of oxygen or addition of hydrogen or electron.

CSIR NET Earth Science Mock Test - 4 - Question 9
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Pick the wrong statement about recumbent fold
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 9
The shell part of a recumbent, which is the outer zone, is mostly made up of sedimentary rocks. Hence the second statement is wrong regarding it.
CSIR NET Earth Science Mock Test - 4 - Question 10
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In the stratosphere, the lapse rate is positive because
CSIR NET Earth Science Mock Test - 4 - Question 11
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Distinction between crystalline and amorphous substances can always he inferred by
CSIR NET Earth Science Mock Test - 4 - Question 12
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Ni has the most tightly bound nucleus because it
CSIR NET Earth Science Mock Test - 4 - Question 13
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If a continental crust with an initial length of lo is stretched to a length lb, then the stretching factor ∝ is
CSIR NET Earth Science Mock Test - 4 - Question 14
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The _________ is responsible for Earth's magnetic field.
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 14

The outer core is responsible for the earth's magnetic field.

The interior of the earth is divided into three parts namely Crust, Mantle, and Core. The core is the innermost layer of the earth.The core is further subdivided into two layers called the outer core and the inner core. The outer core of the earth is in a liquid state. The inner core is in the solid-state.
CSIR NET Earth Science Mock Test - 4 - Question 15
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Horsts and grabens are believed to occur due to
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 15

The origin of horsts and grabens is believed to be due to lateral tension in the crust in most cases.

CSIR NET Earth Science Mock Test - 4 - Question 16
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The cause of folding which does not occur due to the tangential stresses is
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 16

Under the influence of tangential stresses, folding may develop in either of the three ways: flexural folding, flowage folding and shear folding.

CSIR NET Earth Science Mock Test - 4 - Question 17
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What is a small region with definite thickness and distinct composition having numerous closely placed parallel fractures called?
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 17

Fault zone is a small region with definite thickness and distinct composition having numerous closely placed parallel fractures within itself along which there have been clear displacements.

CSIR NET Earth Science Mock Test - 4 - Question 18
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What is also called as Micro breccia?
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 18

Mylonite is also called as micro-breccia and is similar to fault breccia but contains very fine-grained broken particles from the involved rocks that get thoroughly cemented and compacted.

CSIR NET Earth Science Mock Test - 4 - Question 19
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What is the effect of faulting on outcrop?
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 19

Faulting is essentially a process of rupturing and displacement along the plane of rupture. Its effects may involve- changes in the elevation of the ground, omission of some strata where they are normally expected, repetition of some strata in a given direction and displacements and shifts in the continuity of the same rocks in certain regions.

CSIR NET Earth Science Mock Test - 4 - Question 20
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Which rock is lifted up during the folding due to intrusions?
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 20

In magmatic intrusions, highly viscous magma may be forced up gradually and with considerable force so that sedimentary host rocks overlying are lifted up to provide the space for the rising magma.

CSIR NET Earth Science Mock Test - 4 - Question 21
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Fractures along which there has been no relative displacement is called
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 21

Joints are defined as divisional planes or fractures along which there has been no relative displacement.

CSIR NET Earth Science Mock Test - 4 - Question 22
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In which rock, joints may be classified on the basis of their lineation?
Detailed Solution for CSIR NET Earth Science Mock Test - 4 - Question 22

In igneous and metamorphic rocks, the joints may be classified on the basis of their geometric relations with planar structures of those rocks such as lineation or cleavage.

CSIR NET Earth Science Mock Test - 4 - Question 23
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Lax theorem state that for a well-posed initial value problem, the condition for a finite-difference scheme to converge to true solution is
CSIR NET Earth Science Mock Test - 4 - Question 24
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The value of benthic to planktic foraminifera abundance ratio generally
CSIR NET Earth Science Mock Test - 4 - Question 25
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The {hkl} form of this crystal is
CSIR NET Earth Science Mock Test - 4 - Question 26
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Identify the passive geomorphic processes
CSIR NET Earth Science Mock Test - 4 - Question 27
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Which of the following order of ocean currents is logical with respect to oceanic conveyer belt?
CSIR NET Earth Science Mock Test - 4 - Question 28
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The effects of calcrete layer are:
CSIR NET Earth Science Mock Test - 4 - Question 29
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A Mesozoic stratigraphic sequence is characterized by the following lithounits from the bottom to the top:

Which one of the following is the probable depositional environment for the above sequence?
CSIR NET Earth Science Mock Test - 4 - Question 30
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A 120 million year old rock situated close to the equator shows a remanent magnetic dip of tan-1(-2/√3). The approximate drift rate of the land mass is
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