World Geography | General Knowledge| FPSC, SPSC, PPSC all competitive Exams | mosaicbro.com

World Geography | General Knowledge| FPSC, SPSC, PPSC all competitive Exams

7 of 124 questions (Page 16 of 18)

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106 Which, amongst the following countries, has the highest density of population per sq km?
Correct Answer: A
Explanation: Bangladesh has ~1,300 people/km² (2023 data).
107 Which of the following countries is in the continent of Europe?
Correct Answer: A
Explanation: Albania is in Southeast Europe; others are in Africa/South America.
108 Which of the following countries does not have a common land with the Peoples Republic of China?
Correct Answer: A
Explanation: Japan is an island nation; others border China.
109 Which is the smallest continent of the world area-wise?
Correct Answer: C
Explanation: Australia is the smallest continent (7.7 million km²).
110 Which of the following metals is not only magnetic but also radioactive?
Correct Answer: D
Explanation: Thorium (Th) is weakly radioactive and paramagnetic.
111 Which layer of the atmosphere reflects radio-waves back to the earth's surface?
Correct Answer: A
Explanation: The ionosphere (60-1,000 km altitude) reflects radio waves.
112 What percentage of insolation is received by the earth's surface?
Correct Answer: B
Explanation: ~51% of solar radiation reaches Earth's surface (rest reflected/absorbed by atmosphere).
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