56. Which of the following pairs is not correctly matched?
Mysore is not known for marble; it's more famous for sandalwood and silk.
A. Panna : Diamond – Correct. Panna in Madhya Pradesh is famous for diamond mines.
B. Neyveli : Lignite – Correct. Neyveli in Tamil Nadu is well-known for lignite reserves.
C. Mysore : Marble – Incorrect. Marble is mainly found in Rajasthan, not Mysore.
D. Sambhar : Salt – Correct. Sambhar Lake in Rajasthan is known for salt production.
57. Where does the primitive community. of Bushman live?
The Bushmen (or San people) traditionally live in the Kalahari Desert region.
A. Sahara desert – Incorrect. Located in North Africa, home to different tribes.
B. Thar desert – Incorrect. Located in India and Pakistan.
C. Kalahari desert – Correct. Bushmen are indigenous to this region in Southern Africa.
D. Atacama desert – Incorrect. Located in South America.
59. Among the following cities, which one is nearest to the Tropic of Cancer?
The Tropic of Cancer passes very close to Kolkata in eastern India.
A. Delhi – Incorrect. Lies north of the Tropic of Cancer.
B. Kolkatta – Correct. Lies very close to the Tropic of Cancer.
C. Jodhpur – Incorrect. Close, but north-west of the tropic line.
D. Nagpur – Incorrect. Lies south of the Tropic of Cancer.
60. In what regions can the sun be seen at midnight?
Answer: C. The Arctic and Antarctic regions
This phenomenon is called the "midnight sun" and occurs near the poles during summer.
A. The tropical zone – Incorrect. Sun sets and rises regularly here.
B. Warm temperate regions – Incorrect. Don’t experience midnight sun.
C. The Arctic and Antarctic regions – Correct. Due to tilt of Earth’s axis during solstices.
D. Anywhere at the time of lunar eclipse – Incorrect. Lunar eclipse doesn't affect day-night cycle.