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Physical Geography (UPSC) (Part-II)

📆 March 7, 2025

Total Questions: 50

21. Consider the following statements: [2007]

  1. Annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean.
  2. Annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere.

 

Which of the statements given above is/are correct?

Correct Answer: (b) 2 only
Solution:The maximum and minimum annual temperatures of Ocean water are recorded in August and February respectively in the northern hemisphere.
The annual range of temperature is higher in the enclosed seas than in the open sea.
The Atlantic Ocean records relatively higher annual range of temperature than the Pacific Ocean.
Since the Northern hemisphere has more landmass as compared to the Southern hemisphere, the annual range of temperature will be greater in northern hemisphere.

22. Consider the following statements: [2008]

  1. Albedo of an object determines its visual brightness when viewed with reflected light.
  2. Albedo of Mercury is much greater than the albedo of the Earth.

 

Which of the statements given above is/are correct?

Correct Answer: (a) 1 only
Solution:Albedo is the fraction of the incident sunlight that is reflected. When an object reflects most of the light that hits it and looks bright then it has high albedo. Albedo of mercury is 0.1 and that of the earth is 0.30.

23. For India, China, UK and USA, which one of the following is the correct sequence of the median age of their population? [2008]

Correct Answer: (b) India < China < USA < UK
Solution:

For India, China, UK and USA, the correct sequence of the Median age of their population is
India China < USA < UK

24. In order of their distances from the Sun, which of the following planets lie between Mars and Uranus? [2008]

Correct Answer: (b) Jupiter and Saturn
Solution:Jupiter and Saturn are located between Mars and Uranus.

25. Which one of the following planets has the largest number of natural satellites or moons? [2009]

Correct Answer: (c) Saturn
Solution:Till may 2024, as per NASA, Jupiter has 96 moons, Saturn has 146 moons, Mars has 2 moons and venus has none.

26. In the structure of planet Earth, below the mantle, the core is mainly made up of which one of the following? [2009]

Correct Answer: (c) Iron
Solution:The core of earth is made up of nickle and iron.

27. Consider the following statements: [2010]

  1. On the planet Earth, the fresh water available for use amounts to about less than 1% of the total water found.
  2. Of the total fresh water found on the planet Earth 95% is bound up in polar ice caps and glaciers.

 

Which of the statements given above is/are correct?

Correct Answer: (a) 1 only
Solution:On the earth, the fresh water available for use amounts to about less than 1% of the total water and it's 68.7% is bound up in polar ice and glaciers.

28. A geographic area with an altitude of 400 metres has following characteristics. [2010]

MonthJFMAMJJASOND
Average maximum temp °C313131313030292829293031
Average minimum temp °C212121212121202020202020
Rainfall (mm)518518815813912113416818522119886

 

If this geographic area were to have a natural forest, which one of the following would it most likely be?

Correct Answer: (d) Tropical rain forest
Solution:Tropical rainforests are warm and humid. The temperature ranges from 21 to 30 degree celsius (70 to 85°F)
The average annual temperature of tropical rainforests is above 20°C.
The tropical rainforests receive annual precipitation amounts of 60 to 160 inches. (152 to 406 cm). Some rainforests in the world experiences annual rainfall amounts of almost 400 inches.

29. A new type of El Nino called El Nino Modoki appeared in the news. In this context, consider the following statements: [2010]

1. Normal El Nino forms in the Central Pacific Ocean whereas El Nino             Modoki forms in Eastern Pacific Ocean

  1. Normal El Nino results in diminished hurricanes in the Atlantic Ocean but El Nino Modoki results in a greater number of hurricanes with greater frequency.

 

Which of the statements given above is/are correct?

Correct Answer: (b) 2 only
Solution:Normal El Nino forms in south-eastern Pacific whereas as El Nino Modoki forms in central Pacific and causes greater number of hurricanes.

30. Which one of the following reflects back more sunlight as compared to other three? [2010]

Correct Answer: (c) Land covered with fresh snow
Solution:The Albedo of Snow is highest.
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