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 nations comprise of “Pantanal Region”?
[A] Portugal, Spain, France
[B] Norway, Sweden, Finland
[C] Brazil, Bolivia, Paraguay
[D] Canada, the USA, Mexico
Show Answer
Correct Answer: C [Brazil, Bolivia, Paraguay]
Notes:
Pantanal Conservation Area is located across Brazil, Bolivia and Paraguay. It is a UNESCO World Heritage Site. It is also a Ramsar Wetland. This region is the world’s largest tropical wetland area and the world’s largest flooded grasslands. It is often regarded as the Brazilian Garden of Eden. During rainy season 80% of this region will get submerged. The vegetation of Pantanal is known as the Pantanal Complex. The apple snail is a keystone species in the Pantanal region.
22. Which nation houses the infamous “Lake Nyos”?
[A] Cameroon
[B] Egypt
[C] Burundi
[D] Rwanda
Show Answer
Correct Answer: A [Cameroon]
Notes:
Lake Nyos is a crater lake located in Cameroon. This lake is located on an inactive volcano and magma lies under the lake emanates Carbon dioxide into the water which turns the water to Carbonic Acid. In 1986, as the result of a landslide this lake emitted a large amount of Carbon dioxide which caused asphyxiation killing 1746 people and 3500 livestock. It was the first known large-scale asphyxiation caused by a natural event.
23. What volume of the Earth’s atmosphere does nitrogen constitute?
[A] 21 %
[B] 50 %
[C] 78 %
[D] 10 %
Show Answer
Correct Answer: C [78 % ]
Notes:
Nitrogen and Oxygen are the two main gases in the atmosphere. they make up 99 % of the atmosphere. Nitrogen alone accounts for 78 % of the total atmospheric volume. It is an important constituent of all organic compounds.
24. The “Semliki River” flows only through which two nations?
[A] Sweden and Finalnd
[B] Democratic Republic of Congo and Uganda
[C] Poland and Belarus
[D] Niger and Nigeria
Show Answer
Correct Answer: B [Democratic Republic of Congo and Uganda]
Notes:
Semliki River is a major river in Central Africa which flows through the Democratic Republic of Congo and Uganda. The source of the river is Lake Edward and mouth of the river is Lake Albert and it flows through the Albertine Rift west of the Rwenzori Mountains. In its lower reaches, it forms the international boundary between the Democratic Republic of Congo and Uganda. It houses Semulki National Park.
25. Which among the following air masses are warm, humid and unstable?
[A] Continental Polar Air Masses
[B] Maritime Polar Air Masses
[C] Maritime Tropical Air Masses
[D] Continental Tropical Air Masses
Show Answer
Correct Answer: C [Maritime Tropical Air Masses]
Notes:
Maritime Tropical Air Masses are air masses which are warm, humid and unstable. The source regions of these air masses include the oceans in tropics and sub-tropics such as Mexican Gulf, the Pacific and the Atlantic oceans.
26. Which among the following pairs of Koeppen’s climate classification is/are correctly matched?
- BS – Steppe Climate
- Aw – Tropical rainforest
- Af – Tropical Savannah
Select the correct code from the options given below:
[A] Only 1
[B] Only 1 & 2
[C] Only 3
[D] None of the above
Show Answer
Correct Answer: A [Only 1]
Notes:
The Koeppen climate classification system recognizes five major climatic types and each type is designated by a capital letter- A, B, C, D, E, and H.
A, C, D, E are considered as Humid whereas B is considered as Dry.
The group A is recognised as Tropical climate.
The letter code Aw represents Tropical Savannah climate.
The letter code Af represents Tropical Rainforests (No dry season).
27. Which among the following statements is/are correct about the Southern Ocean?
- It is also called as the Austral Ocean
- It is the smallest among the five oceans
- The Factorian Deep is the deepest point in the Southern Ocean
Select the correct code from the options given below:
[A] Only 1 & 2
[B] Only 1 & 3
[C] Only 2
[D] 1, 2 & 3
Show Answer
Correct Answer: B [Only 1 & 3]
Notes:
The Southern Ocean, also known as the Antarctic Ocean or the Austral Ocean, comprises the southernmost waters of the World Ocean. It is regarded as the second-smallest of the five principal oceanic divisions: smaller than the Pacific, Atlantic, and Indian Oceans but larger than the Arctic Ocean.
28. Which among the following oceans is sometimes classified as an estuary of Atlantic Ocean?
[A] Southern Ocean
[B] Arctic Ocean
[C] Pacific Ocean
[D] Indian Ocean
Show Answer
Correct Answer: B [Arctic Ocean ]
Notes:
The Arctic Ocean is the smallest and shallowest of the world’s five major oceans. It is also known as the coldest of all the oceans.
It is sometimes classified as an estuary of the Atlantic Ocean.
29. Which among the following are the extremely flat and featureless plains of the deep ocean floor?
[A] Mid-oceanic Ridges
[B] Trenches
[C] Abyssal Plain
[D] Continental Shelf
Show Answer
Correct Answer: C [Abyssal Plain]
Notes:
Abyssal plains are the extremely flat and featureless plains of the deep ocean floor. They are considered as the levelest areas on the earth. They cover a major portion of the ocean floors between the depths of 3000m to 6000m.
30. Which among the following statements is/are correct about Isothermal Lines?
- The horizontal temperature distribution is shown by isothermal lines.
- Isotherms are closely spaced when the temperature difference is low and vice versa.
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:
The horizontal temperature distribution is shown by isothermal lines. These are lines joining places of equal temperature.
Isotherms are closely spaced when the temperature difference is high and vice versa.
