Day-544
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Question 1 of 5
1. Question
1. Consider the following statements:
Statement I: A tropical cyclone is more likely to be developed at the equator in comparison to the tropical regions.
Statement II: Coriolis force is negligible at the equator.
Which one of the following is correct in respect of the above statements?Correct
Answer: D
Explanation:
Statement 1 is incorrect:
● Tropical cyclones cannot originate at the equator because of the lack of a rotating trigger known as the Coriolis force.
Statement 2 is correct: The rotation of the earth about its axis affects the direction of the wind. This force is called the Coriolis force after the French physicist who described it in 1844. It deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere. The deflection is more when the wind velocity is high. The Coriolis force is directly proportional to the angle of latitude. It is maximum at the poles and is absent at the equator.Additional Information
About Tropical Cyclones-
● A Tropical cyclone is a rapid inward air circulation around a low-pressure area.
● Tropical cyclones originate and intensify over warm tropical oceans. The conditions favourable for the formation and intensification of tropical storms are: (i) Large sea surface with temperature higher than 27° C; (ii) Presence of the Coriolis force; (iii) Small variations in the vertical wind speed; (iv) A pre-existing weak low-pressure area or low-level-cyclonic circulation; (v) Upper divergence above the sea level system.
● The energy that intensifies the storm, comes from the condensation process in the towering cumulonimbus clouds, surrounding the centre of the storm.
● The place where a tropical cyclone crosses the coast is called the landfall of the cyclone. The cyclones, which cross 20-degree N latitude generally, recurve and they are more destructive.
● A mature tropical cyclone is characterised by the strong spirally circulating wind around the centre, called the eye. The diameter of the circulating system can vary between 150 and 250 km.
Incorrect
Answer: D
Explanation:
Statement 1 is incorrect:
● Tropical cyclones cannot originate at the equator because of the lack of a rotating trigger known as the Coriolis force.
Statement 2 is correct: The rotation of the earth about its axis affects the direction of the wind. This force is called the Coriolis force after the French physicist who described it in 1844. It deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere. The deflection is more when the wind velocity is high. The Coriolis force is directly proportional to the angle of latitude. It is maximum at the poles and is absent at the equator.Additional Information
About Tropical Cyclones-
● A Tropical cyclone is a rapid inward air circulation around a low-pressure area.
● Tropical cyclones originate and intensify over warm tropical oceans. The conditions favourable for the formation and intensification of tropical storms are: (i) Large sea surface with temperature higher than 27° C; (ii) Presence of the Coriolis force; (iii) Small variations in the vertical wind speed; (iv) A pre-existing weak low-pressure area or low-level-cyclonic circulation; (v) Upper divergence above the sea level system.
● The energy that intensifies the storm, comes from the condensation process in the towering cumulonimbus clouds, surrounding the centre of the storm.
● The place where a tropical cyclone crosses the coast is called the landfall of the cyclone. The cyclones, which cross 20-degree N latitude generally, recurve and they are more destructive.
● A mature tropical cyclone is characterised by the strong spirally circulating wind around the centre, called the eye. The diameter of the circulating system can vary between 150 and 250 km.
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Question 2 of 5
2. Question
2. With reference to limestone caves, consider the following pairs:
Caves – States
1. Borra Caves – Meghalaya
2. Liat Prah Caves – Andhra Pradesh
3. Khangkhui Cave – Manipur
How many of the above pairs are correctly matched?Correct
Answer: A
Explanation:
Pair 1 is matched incorrectly:
● The Borra Caves are located on the East Coast of India, in the Ananthagiri hills of the Araku Valley of the Alluri Sitharama Raju district in Andhra Pradesh.
● It is one of India’s longest and the deepest caves extending up to 80 m.
● These caves are considered to be among a rare geological formation and these were formed by the water activity by the Gosthani River.
● Borra Caves were discovered by William King George in 1807.
● There is a naturally formed Shivling inside the caves, which is worshipped by the tribals who live in the nearby forest.
Incorrect
Answer: A
Explanation:
Pair 1 is matched incorrectly:
● The Borra Caves are located on the East Coast of India, in the Ananthagiri hills of the Araku Valley of the Alluri Sitharama Raju district in Andhra Pradesh.
● It is one of India’s longest and the deepest caves extending up to 80 m.
● These caves are considered to be among a rare geological formation and these were formed by the water activity by the Gosthani River.
● Borra Caves were discovered by William King George in 1807.
● There is a naturally formed Shivling inside the caves, which is worshipped by the tribals who live in the nearby forest.
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Question 3 of 5
3. Question
3. Consider the following statements:
Statement-I: Cherrapunji in Meghalaya plateau displays a bare rocky surface devoid of any permanent vegetation cover.
Statement-II: This area receives maximum rainfall from the Northeast monsoon.
Which one of the following is correct in respect of the above statements?Correct
Answer: C
Explanation:
Statement I is correct: Cherrapunji displays a bare rocky surface devoid of any permanent vegetation cover.
Statement II is incorrect: The area of Meghalaya plateau receives maximum rainfall from the south west monsoon. As a result, the Meghalaya plateau has a highly eroded surface.
About Meghalaya plateau:
● It is a part of the Northeastern plateau which is an extension of the main peninsular plateau.
● It is believed that due to the force exerted by the northeastward movement of the Indian plate at the time of the Himalayan origin, a huge fault was created between the Rajmahal hills and the Meghalaya plateau.
● Later, this depression got filled up by the deposition activity of the numerous rivers.
● Today, the Meghalaya and Karbi Anglong plateau stand detached from the main Peninsular Block.
● The Meghalaya plateau is further sub-divided into three:
⮚ The Garo Hills
⮚ The Khasi Hills
⮚ The Jaintia Hills
● They are named after the tribal groups inhabiting this region.
● An extension of this is also seen in the Karbi Anglong hills of Assam.
● Similar to the Chotanagpur plateau, the Meghalaya plateau is also rich in mineral resources like coal, iron ore, sillimanite, limestone and uranium.
● This area receives maximum rainfall from the south west monsoon.
Incorrect
Answer: C
Explanation:
Statement I is correct: Cherrapunji displays a bare rocky surface devoid of any permanent vegetation cover.
Statement II is incorrect: The area of Meghalaya plateau receives maximum rainfall from the south west monsoon. As a result, the Meghalaya plateau has a highly eroded surface.
About Meghalaya plateau:
● It is a part of the Northeastern plateau which is an extension of the main peninsular plateau.
● It is believed that due to the force exerted by the northeastward movement of the Indian plate at the time of the Himalayan origin, a huge fault was created between the Rajmahal hills and the Meghalaya plateau.
● Later, this depression got filled up by the deposition activity of the numerous rivers.
● Today, the Meghalaya and Karbi Anglong plateau stand detached from the main Peninsular Block.
● The Meghalaya plateau is further sub-divided into three:
⮚ The Garo Hills
⮚ The Khasi Hills
⮚ The Jaintia Hills
● They are named after the tribal groups inhabiting this region.
● An extension of this is also seen in the Karbi Anglong hills of Assam.
● Similar to the Chotanagpur plateau, the Meghalaya plateau is also rich in mineral resources like coal, iron ore, sillimanite, limestone and uranium.
● This area receives maximum rainfall from the south west monsoon.
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Question 4 of 5
4. Question
4. Consider the following statements:
1. The Labrador Current is a cold current in the North Atlantic Ocean that flows from the Arctic Ocean.
2. The mixing of the Humboldt Current and the Labrador Current produces heavy fog and has created one of the richest fishing grounds in the world.
Which of the statements given above is/are correct?Correct
Answer: A
Explanation:
Statement 1 is correct:
● The Labrador Current is a cold 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 Canada near Nova Scotia.
Incorrect
Answer: A
Explanation:
Statement 1 is correct:
● The Labrador Current is a cold 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 Canada near Nova Scotia.
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Question 5 of 5
5. Question
5. Consider the following statements:
1. Ken River passes through Panna Tiger Reserve.
2. Rajaji Tiger Reserve is bisected by Ramganga River.
3. Mahanadi flows through Satkosia Tiger Reserve.
4. Sharda River runs through Valmiki Tiger Reserve.
How many of the statements given above are correct?Correct
Answer: B
Explanation:
Statement 1 is correct:
Ken River passes through Panna Tiger Reserve. As shown in figure given below:
About Panna Tiger Reserve:
● Situated in the Vindhyan mountain range in the northern part of Madhya Pradesh,
● Panna Tiger Reserve is spread over the Panna and Chhatarpur districts.
● The terrain here consists of extensive plateaus and gorges.
● This reserve contains the last remaining tiger habitat of North Madhya Pradesh.
● Flowing from the south to the north through the reserve is the River Ken.
● These forests along with Ken Gharial Sanctuary form a significant part of the catchment area of this river.
● This river is one of the sixteen perennial rivers of Madhya Pradesh.
● It is the lifeline of this reserve and is the least polluted of Yamuna’s tributaries.
● The path of the meandering Ken offers some spectacular scenery.
● The reserve is also dotted with two thousand year-old rock paintings.
Incorrect
Answer: B
Explanation:
Statement 1 is correct:
Ken River passes through Panna Tiger Reserve. As shown in figure given below:
About Panna Tiger Reserve:
● Situated in the Vindhyan mountain range in the northern part of Madhya Pradesh,
● Panna Tiger Reserve is spread over the Panna and Chhatarpur districts.
● The terrain here consists of extensive plateaus and gorges.
● This reserve contains the last remaining tiger habitat of North Madhya Pradesh.
● Flowing from the south to the north through the reserve is the River Ken.
● These forests along with Ken Gharial Sanctuary form a significant part of the catchment area of this river.
● This river is one of the sixteen perennial rivers of Madhya Pradesh.
● It is the lifeline of this reserve and is the least polluted of Yamuna’s tributaries.
● The path of the meandering Ken offers some spectacular scenery.
● The reserve is also dotted with two thousand year-old rock paintings.
