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Sunday, 8 April 2018

MPSC Answer Key 2018 Prelims

  By GK Planet Team       Sunday, 8 April 2018

8 April MPSC State Service 2018 Answer key Prelims Exam

Q.41) A steam engine delivers 5.4 x 108 J of work per minute by taking 3.6 x 109 J of heat from its source. What is the efficiency of the engine?
1) 15%
2) 12.5%
3)  85%
4) 87.5%

Q.42) In some trees, copper deficiency may cause blisters and deep slits in the bark from which exudes gum. This disease is known as
1) Exanthema
2) White bud
3)  Dieback
4) Necrosis
Dieback may refer to a number of plant problems and diseases including:
  • Forest dieback caused by acid rain, heavy metal pollution, or imported pathogens
  • The death of regions of a plant or similar organism caused by physical damage, such as from pruning
  • Those caused by the genus Eutypa, such as Eutypa dieback
  • Those caused by the genus Phytophthora, such as Phytophthora cinnamomi dieback
  • Those caused by the genus Seiridium, such as Seiridium cardinale dieback or cypress canker
Q.43) The maximum yield of ATP from the complete oxidation of sucrose via aerobic respiration is
1) 37
2) 44
3)  60
4) 50

Q.44) The binomial system of classification was given by
1) Carolus Linnaeus
2) Bentham and Hooker
3)  Theophrastus
4) Hutchinson
Carolus Linnaeus (23 May 1707 – 10 January 1778) was a Swedish botanist, physician and zoologist who created the binomial nomenclature. In this system, every kind of animal and plant is given a name consisting of two Latin words, for its genus and species. This became used by biologists all over the world, and he is known as the "father of modern taxonomy". He was a good linguist, and famous in his time. He was made a noble by the Swedish king.
Q.45) According to Sir J.C Bose, an Indian Scientist, ascent of sap takes place due to the _______ of living cells of the innermost cortical layer.
1) pulsatory activity
2) transpiration pull theory
3)  cohesion theory
4) root pressure theory
Ascent of sap is the upward movement of water in a plant from root tip to plant body.This mechanism is explained by various theories. One of the first one of these was pump theory which was later modified to pulsation theory. These theories assumes that water moves upwards from root by pumping action of living cells which pump water similar to pumping of heart. Here the dead xylem tissues act as reservoirs.This theory was first put forward by Westermeir (1880). And was justified by Godlewski, J.C.Bose (1920), and Priestly.
Q.46) Which of the following theories are related to the evolution of life?
  1. a) The theory of natural selection
  2. b) Mutation theory of evolution
  3. c)  Theory of inheritance of acquired characteristics
  4. d) Theory of segregation
Answer Options :
1) a, b and d
2) a, b and c
3) a, c and d
4) All of the above

Q.47) Which of the following are hormones of the pituitary gland?
  1. TSH
  2. STH
  3. HCG
  4. ADH
Answer Options :
1) a and b
2) b and c
3)  a, b and d
4) a, b and c

Q.48) The skeletal system performs which of the following functions?
  1. Protection
  2. Hematopoiesis
  3. Movement facilitation
  4. Mineral storage
Answer Options :
1) a, b and c
2) b, c and d
3)  a, c and d
4) All of the above

Q.49) Gregor Mendel is often referred to as the Father of Genetics, since he first enunciated the principles of heredity. His experimental material was
1) Fruit Fly
2) Bread mould
3)  Pea Plant
4) Rhesus monkey

Q.50) Wood grain alcohol is nothing but
1) Methanol
2) Ethanol
3)  Benzyl alcohol
4) Isopropyl alcohol

Q.51) Wood grain alcohol is nothing but
1) Methanol
2) Ethanol
3)  Benzyl alcohol
4) Isopropyl alcohol

Q.52) Water is often treated with chlorine to
1) Increase oxygen content
2) Kill Germs
3)  Remove sedimentation
4) Remove insoluble impurities

Q.53) Corrosion takes place as a result of
1) Only physical reactions
2) Only chemical reactions
3)  Both [1] and [2]
4) None of the above

Q.54) Natural gas mainly consists of
1) Butane
2) Propane
3)  Methane
4) Ethane
Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.
Q.55) Fats and oils belong to the naturally occurring group of compounds called
1) Carbohydrates
2) Lipids
3)  Proteins
4) Terpenes

Q.56) On 26th November 1949, which of the following provisions of the Constitution of India came into effect?
  1. Citizenship
  2. Elections [Article -324]
  3. Provisional Parliament
  4. Fundamental Rights
Answer Options:
1) a,b and c
2) b, c and d
3)  a and c
4) a and b

Q.57) In which of the following cases did the Supreme Court of India pronounce the verdict that the basic structure of the Constitution cannot be amended by the Parliament?
1) Shankari Prasad vs Union of India
2) Golaknath vs State of Punjab
3)  Kesavananda Bharti vs State of Kerala
4) Minerva Mills Ltd. Vs Union of India

Q.58) Which one of the following statements about the Vice-President of India is incorrect?
  1. The electoral college for election to this office consists of the elected members of both the Houses of Parliament.
  2. He can hold the office of the President for a period not exceeding six months in the absence of the President.
  3. For election to this office a candidate’s nomination paper must be subscribed by at least 20 electors as proposers and 20 electors as seconders.
1) a
2) b
3) c
4) None of the above

Q.59) Consider the following statements :
  1. Zonal Councils are the constitutional bodies.
  2. The Prime Minister acts as the Chairman of all Zonal Councils
  3. Each Chief Minister acts as the Vice-Chairman of the Zonal Council by rotation.
  4. Joint meetings of two or more Zonal Councils are presided over by the Union Home Minister.
1) Statements a, b and c are correct
2) Statements b, c and d are correct
3)  Statements a, c and d are correct
4) Statements c and d are correct

Q.60) Recommendations of the Sixth Report of Second Administrative Reforms Commission on Local Government are
  1. Set up unified metropolitan transport authority in all cities of one million plus population.
  2. Constitute a local body ombudsman.
  3. Direct election of the Mayors
  4. Set up District Councils and the Collector would work as the Chief Secretary
Answer Options :
1) a, b and c
2) b, c and d
3)  a, c and d
4) a, b , c and d
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