MPSC Answer Key 2018
Q.1) Match List I with List II and select the correct answer from the options given :
List I
- Erdkunde
- Anthropo-Geographie
C.Cosmos
List II
- Alexander von Humboldt
- Jean Brunhes
III. Carl Ritter
- Friedrich Ratzel
A B C D
1) II III I IV
2) IV II III I
3) III IV II I
4) I III IV II
Q.2) Examine the following statements and identify the correct statement/s :
Statement ‘A’ : Within 24 hours the Earth rotates in 360o longitudes.
Statement ‘B’ : The Earth requires four minutes to cross the one-degree longitude.
1) Statements ‘A’ and ‘B’ are correct
2) Statements ‘A’ and ‘B’ are incorrect
3) Statement ‘A’ is correct but statement ‘B’ is incorrect
4) Statement ‘A’ is incorrect but statement ‘B’ is correct
Q.3) Which of the following relief features is not an effect of internal forces of the Earth?
1) Graben
2) Horst
3) Residual Mountain
4) Rift Valley
The mountains which are worn down due to the processes of erosion for a long time are called Relief or Residual Mountains.
Eg. The Aravalli ranges of India.
Q.4) Select the proper option from the following figures of ‘Relief Features’ created by the volcanic eruption:
Ans: 4
Q.5) Find out the correct sequence of planetary winds found from the equator to pole.
1) Westerlies, Trade Winds, Polar Winds
2) Trade winds, Westerlies, Polar winds
3) Trade winds, Polar winds, Westerlies
4) Polar winds, Westerlies, Trade winds
Q.6) Given below are two statements, one labeled as Assertion [A] and the other labeled as Reason [R], Select your answer from the following options.
Assertion [A] : Oceanic salinity is low in the equatorial region.
Reason [R] : Equatorial region is characterized by heavy rainfall, cloudiness and humidity.
1) Both [A] and [R] are true and [R] is the correct explanation of [A]
2) Both [A] and [R] are true but [R] is not the correct explanation of [A]
3) [A] is true but [R] is false
4) [A] is false but [R] is true
Q.7) Which of the following is not a type of chemical weathering?
1) Solution
2) Oxidation
3) Carbonation
4) Corrosion
Corrosion is a natural process, which converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide. It is the gradual destruction of materials (usual metals) by chemical and/or electrochemical reaction with their environment.
Chemical weathering is caused by rainwater reacting with the mineral grains in rocks to form new minerals (clays) and soluble salts. These reactions occur particularly when the water is slightly acidic.
Q.8) Identify the correct statement/s from the following :
Statement ‘A’ : The weight of water vapour per unit volume of air in specific temperature is called relative humidity.
Statement ‘B’ : Specific humidity is the ratio of air water vapour conent to its water vapour capacity at a given temperature.
1) Statements ‘A’ and ‘B’ both are correct
2) Statements ‘A’ and ‘B’ both are incorrect
3) Statement ‘A’ is correct but statement ‘B’ is incorrect
4) Statement ‘A’ is incorrect but statement ‘B’ is correct
Q.9) Identify the correct statement/s from the following :
Assertion [A] : The isotherm lines remain almost parallel to one another and parallel to latitudes on oceanic surfaces.
Reason [R] : Temperatures at maritime locations are free from effect of elevation.
1) Both [A] and [R] are true and [R] is the correct explanation of [A]
2) Both [A] and [R] are true but [R] is not the correct explanation of [A]
3) [A] is true but [R] is false
4) [A] is false but [R] is true
Q.10) Consider the following statements and select the correct option from the following :
- Most of the fishing grounds occur in areas where the continental shelf is wide
- Fishing activity is well developed in warm tropical waters.
- Mixing of warm and cold currents brings plant nutrients for fish.
- Inland fisheries are more significant than other types in India.
Answer Options :
1) Statements a and b are correct
2) Statements a and c are correct
3) Statements b,c and d are correct
4) Statements a,b and c are correct
Q.11) In developing countries the population pyramid has a
1) Narrow base and wide top
2) Wide base and wide top
3) Wide base and narrow top
4) Narrow base and narrow top
Q.12) Examine the following statements and select the correct option :
Statement ‘A’ : Some land area of India is situated in the northern hemisphere and some in the southern hemisphere.
Statement ‘B’ : The extension of India from north to south is approximately more than 7500 km
1) Statement ‘A’ and ‘B’ both are correct
2) Statements ‘A’ and ‘B’ both are incorrect
3) Statements ‘A’ is correct but statement ‘B’ is incorrect
4) Statement ‘A’ is incorrect but statement ‘B’ is correct
Q.13) Examine the following statements and select the correct option :
Statement ‘A’ : Himalayan rivers cross many Himalayan ranges and the Shivalik Hills and enter into the plain area.
Statement ‘B’ : Peninsular rivers flow through the rift valleys created by faults.
1) Statements ‘A’ and ‘B’ both are correct
2) Statements ‘A’ and ‘B’ both are incorrect
3) Statements ‘A’ is correct but statement ‘B’ is incorrect
4) Statement ‘A’ is incorrect but statement ‘B’ is correct
Q.14) The rainfed and rain shadow areas are the characteristics of
1) Cyclonic rainfall
2) Conventional rainfall
3) Orographic rainfall
4) Thermal rainfall
Orographic Rainfall, also known as Relief Rainfall occurs when moist air is forced to rise over a mountain range. The windward side of the mountain range experiences a wet climate. The leeward side experiences a dry climate.
Q.15) Which region has the following characteristics?
- Useful for water transport
- Production of coconut is taken up
- Favorable for fishing
- Attraction for tourists
Answer Options :
1) North-Indian Plain Region
2) Peninsular Plateau
3) Coastal Plains
4) Himalayan Region
Q.16) Match the following Pollutants and their Mediums as per the UNEP documents :
Pollutant Medium
- Nitrogen oxides I. Sea
- Petroleum hydrocarbons II. Food
- Fluroides III. Air
- Mycotoxins IV. Freshwater
Answer Options :
a b c d
1) I II III IV
2) IV III II I
3) III I IV II
4) III I II IV
Q.17) Which of the following days is designated as World Ozone Day by the U.N. General Assembly?
1) 1st June
2) 5th June
3) 1st September
4) 16th September
On December 19, 1994, the UN General Assembly proclaimed September 16 to be the International Day for the Preservation of the Ozone Layer, commemorating the date when the Montreal Protocol on Substances that Deplete the Ozone Layer was signed in 1987. The day was first celebrated on September 16, 1995.
Q.18) Which of the following greenhouse gases is entirely produced by human activities?
1) Methane
2) Carbon dioxide
3) Nitrous oxide
4) Chlorofluorocarbons
Q.19) The transitional area between two living organisms is known as
1) Ecozone
2) Ecophos
3) Ecotone
4) Ecotype
An ecotone is a transition area between two biomes. It is where two communities meet and integrate. It may be narrow or wide, and it may be local (the zone between a field and forest) or regional (the transition between forest and grassland ecosystems)
Q.20) The impact of humans on global climate has been induced by which of the following?
- Deforestation since 8000 years
- Use of fire and overgrazing
- Wet paddy cultivation since 5000 years
- Industrial revolution
Answer Options :
1) Only d
2) Only c and d
3) Only b, c and d
4) All of the above
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