World Geography Questions (MCQs) for UPSC, State PCS and SSC Examinations
World Geography Multiple Choice Questions (MCQs) Quiz for State and UPSC Civil Services Examinations. Objective Questions on Physical Geography and World Geography for competitive examinations.
31. Which of the following ocean currents is a warm water current located in the Pacific Ocean?
[A] California Current
[B] Okhotsk Current
[C] Kuroshio Current
[D] Humboldt Current
Show Answer
Correct Answer: C [ Kuroshio Current]
Notes:
The Kuroshio is a north-flowing warm ocean current on the west side of the North Pacific Ocean. It is similar to the Gulf Stream in the North Atlantic Ocean.
32. Consider the following pairs:
- Fair weather clouds – Cumulus Clouds
- Rainy clouds – Nimbostratus Clouds
- Ice crystals – Cirrus Clouds
Which of the above is/are correct?
[A] 1 & 2 Only
[B] 3 Only
[C] 2 & 3 Only
[D] 1, 2 & 3
Show Answer
Correct Answer: D [ 1, 2 & 3]
Notes:
All of the above pairs are correct
33. A chain of roughly adjacent metropolitan areas is called _?
[A] Megalopolis
[B] Metropolis
[C] Smart City
[D] Mega City
Show Answer
Correct Answer: A [Megalopolis]
Notes:
First option is the correct answer
34. The smallest functional ecological unit is _?
[A] Population
[B] Community
[C] Ecosystem
[D] Ecotype
Show Answer
Correct Answer: C [ Ecosystem]
Notes:
An ecosystem is community plus its physical environment. Thus, ecosystem is a complex community of living plants, animals, and microorganisms (called biotic components of ecosystem) linked by energy and nutrient flows that interact together and their physical environment (called abiotic component of ecosystem) such as soil, air, water, sunlight etc. An ecosystem is the smallest functional ecological unit. An ecosystem can be natural or manmade.
35. Ground Level Ozone is formed due to reaction between:
[A] VOCs, Oxides of Nitrogen & Sunlight
[B] VOCs, Sulphur dioxide & Sunlight
[C] Ozone, Sulphur dioxide & Oxides of Nitrogen
[D] Ozone, Oxides of Nitrogen & Sunlight
Show Answer
Correct Answer: A [VOCs, Oxides of Nitrogen & Sunlight]
Notes:
Ground Level Ozone results from photochemical reactions between oxides of nitrogen (NOx) and volatile organic compounds (VOCs) in the presence of sunlight.
36. In geographical context, the terms Chars and Bils denote:
[A] Small tracts of saline and alkaline soils
[B] The upland and marshy areas of the delta region
[C] Fluvial and Aeolian landforms in the Ganga Plains
[D] Tea and Coffee plantation region in Himachal Pradesh
Show Answer
Correct Answer: B [The upland and marshy areas of the delta region]
Notes:
The Deltaic plain is the extension of the Khadar land. It covers large area in the lower reaches of the Ganga River. In the delta region, the upland is called Chars, while the marshy area is known as Bils.
37. Consider the following statements about El Nino:
- El Nino refers to unusual warming of waters in the Equatorial Pacific Ocean off the coast of Chile and Peru
- It causes dry spells in India
Which of the above statements is/are correct?
[A] 1 Only
[B] 2 Only
[C] Both 1 & 2
[D] Neither 1 nor 2
Show Answer
Correct Answer: C [ Both 1 & 2]
Notes:
El Nino refers to unusual warming of waters in the Equatorial Pacific Ocean off the coast of Chile and Peru. It is known to impact the weather events across the world, resulting in excessive rainfall in some areas, while causing dry spells in regions like India, Indonesia and Australia.
38. Which atmospheric layer reflects radio waves back to Earth?
[A] Stratosphere
[B] Ionosphere
[C] Exosphere
[D] Troposphere
Show Answer
Correct Answer: B [Ionosphere]
Notes:
In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere.
39. What happens when one crosses 180 degrees longitude from east to west?
[A] gains a day
[B] loses a day
[C] neither gains a day nor loses a day
[D] may gain or lose a day depending upon latitude at which one crosses
Show Answer
Correct Answer: B [loses a day]
Notes:
One loses a day when he/she crosses 180 degrees longitude from east to west and gains a day when crosses 180 degrees from west to east. Depending on which time zone the country follows, the time difference on either side of the line is not always 24 hours.
40. Which of the following is called the final boundary between the Earth and the outer space?
[A] ionosphere
[B] magnetosphere
[C] magnetopause
[D] mesopause
Show Answer
Correct Answer: C [magnetopause]
Notes:
For planetary science, the magnetopause is the boundary between the planet’s magnetic field and the solar wind. It is the final boundary between the Earth and the outer space.
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