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 among the following is/are correct about Coral Bleaching?
- El Nino elevates the sea temperature and destroys coral reefs.
- Over-fishing, pollution from agricultural and industrial runoff, coral mining, development of industrial areas near coral ecosystems adversely impact corals.
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:
When corals face stress by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae zooxanthellae living in their tissues, causing them to turn completely white. This phenomenon is called coral bleaching.
El Nino elevates the sea temperature and destroys coral reefs.
Over-fishing, pollution from agricultural and industrial runoff, coral mining, development of industrial areas near coral ecosystems also adversely impact corals.
22. What is the terrestrial part of the Biosphere called?
[A] Ecosystem
[B] Ecotone
[C] Biome
[D] Ecotype
Show Answer
Correct Answer: C [Biome]
Notes:
A natural ecosystem is an assemblage of plants and animals which functions as a unit and is capable of maintaining its identity. There are two main categories of ecosystems: 1) Terrestrial ecosystem or Biomes and 2) Aquatic ecosystem.
The terrestrial part of the biosphere is divisible into enormous regions called biomes.
23. What are people living in the tundra region of America and Greenland called?
[A] Sinic
[B] Ainu
[C] Eskimo
[D] Papuans
Show Answer
Correct Answer: C [Eskimo]
Notes:
After the retreat of glaciers, a series of migrations took place from Asia to North America via Bering land bridge. These post-glacial movements resulted in the northwestern parts of the American continent being inhabited by peoples resembling those of northern belt of Asia, and they continued their way eastward wherever the environment was the same as that to which they had adapted themselves. These people living in the tundra region of America and Greenland are called the Eskimos.
24. Which among the following is/are the features of the Mongoloid race?
- They have yellowish or light wheatish skin.
- They generally have the typical woolly hair.
- They have small, almond-shaped eyes.
Select the correct code from the options give below:
[A] Only 1
[B] Only 1 & 3
[C] Only 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: B [Only 1 & 3]
Notes:
Chinese and Japanese key representatives of the Mongoloid people. They are also called straight haired people.
The striking features of Mongoloids are:
yellowish or light wheatish skin,
extremely straight and black hair,
very less hair growth upon their bodies,
small, almond-shaped eyes,
slight built, very lean musculature and
small but clear facial features.
25. The “Danakil Desert” is a desert that spreads among which countries?
[A] Brazil, Colombia, Panama
[B] Brazil, Paraguay, Argentina
[C] Ethiopia, Eritrea,Djibouti
[D] Libya, Niger,Chad
Show Answer
Correct Answer: C [Ethiopia, Eritrea,Djibouti]
Notes:
The Danakil Desert is a desert located in the Afar Depression which spreads among northeast Ethiopia, southern Eritrea and northwestern Djibouti. It is one of the lowest and the hottest places on Earth. This desert is inhabited by Afar people whose main job is salt mining. This desert houses lakes such as Lake Asal and Lake Afrera and volcanoes such as Maraho, Erta Ale, Afdera etc.
26. The “Scott’s Head Pinnacle” diving site is located in which country?
[A] Brazil
[B] The Bahamas
[C] Dominica
[D] Portugal
Show Answer
Correct Answer: C [Dominica]
Notes:
The Scott’s Head Peninsula is a saltwater type diving site located in the Scott’s Head region of the island country of Dominica, officially the Commonwealth of Dominica, in the Windward Islands of the Lesser Antilles Archipelago. Scott’s Head is a small isthmus on the southern tip of the island of Dominica. This spectacular diving starts shallow with long-snout seahorses flitting among the seagrass, then launches into a submerged volcanic crater lined with azure vase sponges. A moderate-level descent, it also includes a swim -through full of lobsters and grunts on the south-west coast of Dominica and the Caribbean Sea.
27. Migration is highly selective from which among the following aspects?
- Age
- Sex
- Technical Skills
Select the correct code from the options given below:
[A] Only 1
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
The demographic consequences of migration are felt both in areas of emigration as well as immigration.
Migration is highly selective from the point of:
– age
– sex
– technical skills of the migrants.
The highest propensity to migrate is observed among the youthful working age-group of male population.
28. Which among the following is/are the characteristics of Mediterranean Agriculture?
- Mild Rainy Summer
- Mountain Topography
- Fruit Crops
Select the correct code from the options given below:
[A] Only 1 & 3
[B] Only 2 & 3
[C] Only 1 & 2
[D] 1, 2 & 3
Show Answer
Correct Answer: B [Only 2 & 3]
Notes:
Mediterranean Agriculture – This type of agriculture is characterised with mild rainy winter and mountain topography.
– all-year or winter crops are grown with rain
– all-year or summer crops are grown with irrigation
– particular attention is given to fruit crops and grains.
29. Which among the following is/are the characteristics of Coal?
- Energy Mineral
- Biotic Mineral
- Metallic Mineral
- Non-Ferrous Mineral
Select the correct code from the options given below:
[A] Only 1 & 3
[B] Only 1, 2 & 4
[C] Only 1, 2 & 3
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: B [Only 1, 2 & 4]
Notes:
The term mineral refers to the substances obtained from the rocks of the earth.
Coal, is considered all, an energy mineral, a biotic mineral, a non-metallic mineral and a non-ferrous mineral.
30. Anthracite, Bituminous, lignite are types of which among the following minerals?
[A] Iron
[B] Bauxite
[C] Coal
[D] Aluminium
Show Answer
Correct Answer: C [Coal]
Notes:
Coal has been used as a source of energy since very long time. It formed the foundation of the industrial revolution.
On the basis of carbon content, coal is classified into a number of types, the most important types being:
– Anthracite (carbon content above 90 per cent)
– Bituminous (carbon content 40 to 80 per cent)
– Lignite and Brown coal or Peat (carbon content below 40 per cent)
