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. The Chihuahuan Desert is located in which among the following continents?
[A] Europe
[B] South America
[C] North America
[D] Asia
Show Answer
Correct Answer: C [North America]
Notes:
The Chihuahuan Desert is a desert covering parts of northern Mexico and the southwestern United States. It is the second largest desert of the Americas and the largest in North America. It covers an area of about 362,000 square kilometres.
22. Which kind of precipitation occurs when a front or boundary line is formed between two air masses of contrasting temperature?
[A] Convectional
[B] Cyclonic
[C] Orographic
[D] Frontal
Show Answer
Correct Answer: D [Frontal]
Notes:
Frontal precipitation occurs when a front or boundary line is formed between two air masses of contrasting temperature. Along the fronts, the warm air rises above the denser cold air. The mid-latitude regions experiencing the convergence of warm tropical and cold polar air masses are important areas receiving frontal precipitation.
23. What is the extended margin of the continents called?
[A] Continental Shelf
[B] Continental Slope
[C] Submarine Trenches
[D] Mid-oceanic Ridges
Show Answer
Correct Answer: A [Continental Shelf]
Notes:
Continental Shelf is the extended margin of each continent occupied by relatively shallow seas and gulfs. It is the shallowest part of the ocean showing an average gradient of 1° or even less.
24. Which among the following statements is/are about the significance of Ocean Reliefs?
- It controls the motion of sea water.
- It helps in the navigation and fishing.
- It influences the oceanic movement in the form of currents.
Select the correct code from the options given below:
[A] Only 1
[B] Only 1 & 2
[C] Only 2
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
The Oceanic relief features are in the form of mountains, basins, plateaus, ridges, canyons and trenches beneath the ocean water.
Significance of Oceanic Relief
It controls the motion of sea water.
It influences the oceanic movement in the form of currents.
It helps in the navigation and fishing.
25. Which among the following ocean bottom relief indicates the end of the continents?
[A] Continental Shelf
[B] Trenches
[C] Continental Slope
[D] Continental Rise
Show Answer
Correct Answer: C [Continental Slope]
Notes:
The continental slope connects the continental shelf and the ocean basins. It begins where the bottom of the continental shelf sharply drops off into a steep slope. The continental slope boundary indicates the end of the continents.
26. Which among the following statements is/are correct about Salinity of the Indian ocean?
- Bay of Bengal records higher salinity than the Indian Ocean
- The spatial distribution of salinity in the Indian Ocean is more variable and complex than the Pacific and Atlantic oceans.
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:
The spatial distribution of salinity in the Indian Ocean is more variable and complex than the Pacific and Atlantic oceans.
Arabian sea records higher salinity (36%) than the Bay of Bengal,due to higher rate of evaporation, less humid conditions and low influx of freshwater.
27. Which among the following ocean deposits is correctly arranged in a chronological order from the surface to the deep parts of ocean?
[A] Sand – Gravel – Clay – Silt – Mud
[B] Gravel – Sand – Silt – Clay – Mud
[C] Sand – Silt – Mud – Gravel – Clay
[D] Clay – Sand – Silt – Gravel – Mud
Show Answer
Correct Answer: B [Gravel – Sand – Silt – Clay – Mud]
Notes:
Sediments brought by rivers, streams, winds, glaciers, oceanic currents, waves etc get deposited upon the continental margins are thereby known as terrigenous deposits.
Accordingly the correct order of ocean deposits from the surface to the depth of ocean is:
Gravel – Sand – Silt – Clay – Mud
28. Which nation shares a maritime border with Cyprus?
[A] Georgia
[B] Romania
[C] Turkey
[D] Bulgaria
Show Answer
Correct Answer: C [Turkey]
Notes:
Turkey shares a maritime border with Cyprus. Cyprus is an island country located in the eastern Mediterranean. It is the third-largest and the third most populous island in the Mediterranean Sea. It is bordered by Turkey to the north; Syria and Lebanon to the east; Egypt and Israel to the south and Greece to the north-east.
29. Which nations form the basin countries of “Elbe River”?
[A] United States of America and Canada
[B] Germany and Poland
[C] Czech Republic and Germany
[D] Belgium and France
Show Answer
Correct Answer: C [Czech Republic and Germany]
Notes:
The Czech Republic and Germany form the basin countries of the Elbe River. Elbe River is a major river in Central Europe rises from Krkonose Mountains of the Czech Republic which then flows through the western Czech Republic and Germany and finally drains into the western North Sea coast of Germany. Vltava, Saale, Havel, Mulde, Schwarze Elster and Ohre are the major tributaries of the Elbe River.
30. Which among the following factors is/are involved in the formation of Race?
- Mutation
- Natural Selection
- Genetic Drift
- Migration
- Isolation
Select the correct code from the options given below:
[A] Only 1, 2, 4 & 5
[B] Only 1, 2 & 3
[C] Only 3, 4 & 5
[D] 1, 2, 3, 4 & 5
Show Answer
Correct Answer: D [1, 2, 3, 4 & 5]
Notes:
Race formation is a complex process where several factors are involved:
Mutation
Natural Selection
Genetic Drift
Migration
Isolation
Hybridization
Sexual Selection
Social Selection
