World & Physical Geography MCQs
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.
21. Which clouds bring continuous rainfall or snowfall that may continue for a very duration?
[A] Cirrus
[B] Cumulus
[C] Nimbostratus
[D] Altocumulus
Show Answer
Correct Answer: C [Nimbostratus]
Notes:
Nimbostratus clouds are low clouds. They are associated with continuous rainfall or snowfall that may continue for a very duration.
22. Which among the following statements is/are correct about stationary fronts?
- Stationary front is formed when two contrasting air masses converge.
- The wind motion on both sides of the front is parallel to the front.
Select the correct code from the options given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
Stationary front is formed when two contrasting air masses converge in such a way that they become parallel to each other and there is no ascent of air. Warm or cold front stops moving, so the name stationary front.
23. What is the ‘eye’ of the cyclone characterized by?
[A] Fast winds and fair weather
[B] Light winds and thunderstorms
[C] Light winds and fair weather
[D] Fast winds and thunderstorms
Show Answer
Correct Answer: C [Light winds and fair weather]
Notes:
The “eye” is a roughly circular area of comparatively light winds and fair weather found at the center of a severe tropical cyclone. There is little or no precipitation.
24. What are flat-topped mountains called?
[A] Atolls
[B] Seamounts
[C] Guyots
[D] Trenches
Show Answer
Correct Answer: C [Guyots]
Notes:
Seamounts are mountains with pointed summits, rising from the seafloor that does not reach the surface of the ocean.
Guyots are flat-topped mountains or seamounts.
25. Which among the following statements is/are correct about the Euphoric Zone of the ocean water?
- There is a steep fall in temperature in this zone.
- It contains about 18 percent of the total volume of water in the ocean
- It lies between 100 metres and 1000 metres.
Select the correct code from the options given below:
[A] Only 1 & 2
[B] Only 3
[C] Only 2 & 3
[D] None of the above
Show Answer
Correct Answer: D [None of the above]
Notes:
The Surface Zone is also called as the Photic zone or the Euphoric Zone. It is the upper layer of the ocean. In this layer, the temperature and salinity are relatively constant. It contains about 2 percent of the total volume of water in the ocean.
It contains about 2 percent of the total volume of water in the ocean. It is limited to a depth of about 100 meters.
26. Which among the following seas does not record high bottom temperature?
[A] Mediterranean Sea
[B] Arabian Sea
[C] Sargasso Sea
[D] Red Sea
Show Answer
Correct Answer: B [Arabian Sea]
Notes:
The enclosed seas in both the lower and higher latitudes record higher temperatures at the bottom. The enclosed seas of low latitudes like the Sargasso Sea, the Red Sea and the Mediterranean Sea have high bottom temperatures due to high insolation throughout the year and lesser mixing of the warm and cold’ waters.
Arabian Sea is an open sea, therefore does not record high bottom temperature.
27. Which among the following statements is/are correct about the vertical distribution of Salinity of ocean water?
- Salinity increases with increasing depth in high latitudes.
- Salinity is high at the surface at the Equator.
Select the correct code from the options given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: A [Only 1]
Notes:
Salinity increases with increasing depth in high latitudes.
Salinity is low at the surface at the Equator, due to high rainfall and transfer of water through equatorial currents.
28. Which among the following contribute to the deposition of sediments in the ocean?
- Volcanic eruption
- Erosion and Deposition
- Decay and decomposition of marine organisms
Select the correct code from the options given below:
[A] Only 3
[B] Only 1 & 3
[C] Only 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
The sediments derived from weathering and erosion of continental rocks are transported to the oceans by rivers, winds etc. Volcanic eruptions also provide sediments. Besides, the decay and decomposition of marine organisms (both plants and animals) also contribute sediments to ocean deposits.
29. What tide is formed when the sun and the moon become at a right angle to each other with respect to the earth?
- Spring Tide
- Neap Tide
Select the correct code from the options given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: B [Only 2]
Notes:
Neap Tides: The sun and the moon become at a right angle to each other with respect to the earth.
Thus, the gravitational forces of the sun and the moon tend to counteract one another.
The tides during this period will be lower than the normal which are called as the neap tides.
They also occur twice in a month- during the first quarter moon and the last quarter moon.
30. What is one-half of the wave height called?
[A] Wave Crest
[B] Wave Amplitude
[C] Wave Period
[D] Wave Speed
Show Answer
Correct Answer: B [Wave Amplitude]
Notes:
Wave Height is the perpendicular distance from the bottom of a trough to the top of a crest of a wave.
Wave Amplitude is one-half of the wave height.
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