1.	Which of the following water bodies is closest to the Palk Strait ?
	Mahim Creek
	Chilika Lake
	Gulf of Mannar
	Gulf of Khambhat
	Answer: Gulf of Mannar Explanation: Palk Strait and Gulf of Mannar both lie between India and Srilanka. So the Gulf of Mannar is closest to the Palk Strait. Chilika lake is in Odisha and it is the largest brackish water lake in India.
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2.	Millions of years ago the Indian subcontinent was separated from the mainland by a large sea known as the ?
	Tethys
	Aegina
	Prometheus
	Typhon
	Answer: Tethys Explanation: Millions of years ago the Indian subcontinent was separated from the mainland by a large sea known as the Tethys. Tethys sea separated the supercontinent of Laurasia in the north from Gondwana in the south.
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3.	What is the Palk Strait ?
	It is the border line between China and India in the western side.
	It is the boundary line between India and Pakistan.
	It is a water body that separates India and Sri Lanka.
	It is the boundary line between northeastern India and China.
	Answer: It is a water body that separates India and Sri lanka Explanation: The Palk Strait is a water body between the Tamil Nadu state of India and the Jaffna district of the Northern Province of the island nation of Sri Lanka.
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4.	What is the range of the intensity scale used in measuring earthquakes ?
	1 to 12
	1 to 7
	1 to 5
	1 to 15
	Answer: 1 to 12 Explanation: Mercalli Scale is used to measure the intensity of an earthquake. It is a twelve-point scale ranging from I (virtually imperceptible) to XII (total destruction).
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5.	What is the normal air pressure at sea level ?
	1013.25 millibars
	886.13 millibars
	985.14 millibars
	1100.12 millibars
	Answer: 1013.25 millibars Explanation: The standard atmospheric pressure at sea level is 1013.25 millibars.
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6.	A narrow passage of water connecting two large reservoirs like seas and oceans is called ____ ?
	Lagoon
	Isthmus
	Strait
	Bay
	Answer: Strait Explanation: A narrow passage of water connecting two large reservoirs like seas and oceans is called Strait. Straits can be created by movement in the Earth's plates, or when a body of water overflows an area of land.
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7.	Which of the following is a cold ocean current ?
	Gulf Stream
	Agulhas stream
	Labrador Stream
	Alaska Stream
	Answer: Labrador current Explanation: The Labrador Current is a cold ocean current in the North Atlantic Ocean which flows from the Arctic Ocean south along the coast of Labrador and passes around Newfoundland, continuing south along the east coast of Nova Scotia. It is a continuation of the West Greenland Current and the Baffin Island Current.
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8.	What is the main mineral component of the continental mass ?
	Oxygen and Alumina
	Magnesium and Silica
	Alumina and Magnesium
	Silica and Alumina
	Answer: Silica and Alumina Explanation: Silica and Alumina are the main mineral components of the continental mass. It is thus called Sial (Si-silica and Al-alumina). However, the oceanic crust mainly consists of silica and magnesium and it is therefore called Sima (si-silica and ma-magnesium).
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9.	The narrow zone of contact between the Lithosphere , hydrosphere and Atmosphere where general vegetation and wildlife exist is called the ?
	exosphere
	geosphere
	biosphere
	troposphere
	Answer: biosphere Explanation: Natural vegetation and wildlife exist only in the narrow zone of contact between the lithosphere, hydrosphere and atmosphere that we call biosphere.
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10.	Bab-el-Mandeb strait connects which water bodies ?
	Persian Gulf and Gulf of Oman
	Baffin Bay and Labrador Sea
	Red Sea and Gulf of Aden
	Black Sea and Sea of Azov
	Answer: Red Sea and Gulf of Aden Explanation: The Bab-el-Mandeb ("Gate of Tears") is a strait located between Yemen on the Arabian Peninsula and Djibouti and Eritrea in the Horn of Africa. It connects the Red Sea to the Gulf of Aden.
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