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Question 1 of 5
1. Question
2 points
Consider the following statements about Aravalli Range:
1. Aravalli range is one of the oldest mountain ranges.
2. It consists of igneous rocks.
3. Sabarmati , Luni and Banas rivers originate from it.
4. Banas is a tributary of Chambal river.
How many of the statements given above are correct?
Correct
Correct Answer : C
• Statement 1,3 and 4 are correct. Statement 2 is wrong.
• Statement 1: The Aravalli Range is a fold mountain range that formed around 2.5 billion years ago during the Proterozoic era. Over time, it has undergone significant erosion, resulting in its current topography. It is one of the oldest mountain range. Its extent is from Palanpur to Delhi ridge.
• Statement 2: It consists of sedimentary and metamorphosed rocks like marble and quartzite. Marble is a metamorphic rock that is formed from limestone under high pressure and temperature conditions. Quartzite is a metamorphic rock that forms from sandstone when it undergoes intense heat and pressure.
• The presence of these sedimentary and metamorphic rocks in the Aravalli Range contributes to its unique geology and scenic beauty.
• Statement 3 : Aravalli range is the source for Sabarmati, Luni and Banas rivers.
o The Sabarmati river is one of the major west-flowing rivers in India.[3] It originates in the Aravalli Range of the Udaipur District of Rajasthan and meets the Gulf of Khambhat of Arabian Sea after travelling in a south-westerly direction across Rajasthan and Gujarat.
o The Luni is the largest river in the Thar Desert of northwest India.[1] It originates in the Pushkar valley of the Aravalli Range, near Ajmer, passes through the southeastern portion of the Thar Desert, and ends in the marshy lands of Rann of Kutch in Gujarat.
o The Banas is a river which lies entirely within the state of Rajasthan in western India. It is a tributary of the Chambal River, itself a tributary of the Yamuna, which in turn merges into the Ganga. The river originates in the Veron ka Math situated in Khamnor Hills of the Aravalli Range.
• Statement 4: Banas is the tributary of Chambal river.
Incorrect
Correct Answer : C
• Statement 1,3 and 4 are correct. Statement 2 is wrong.
• Statement 1: The Aravalli Range is a fold mountain range that formed around 2.5 billion years ago during the Proterozoic era. Over time, it has undergone significant erosion, resulting in its current topography. It is one of the oldest mountain range. Its extent is from Palanpur to Delhi ridge.
• Statement 2: It consists of sedimentary and metamorphosed rocks like marble and quartzite. Marble is a metamorphic rock that is formed from limestone under high pressure and temperature conditions. Quartzite is a metamorphic rock that forms from sandstone when it undergoes intense heat and pressure.
• The presence of these sedimentary and metamorphic rocks in the Aravalli Range contributes to its unique geology and scenic beauty.
• Statement 3 : Aravalli range is the source for Sabarmati, Luni and Banas rivers.
o The Sabarmati river is one of the major west-flowing rivers in India.[3] It originates in the Aravalli Range of the Udaipur District of Rajasthan and meets the Gulf of Khambhat of Arabian Sea after travelling in a south-westerly direction across Rajasthan and Gujarat.
o The Luni is the largest river in the Thar Desert of northwest India.[1] It originates in the Pushkar valley of the Aravalli Range, near Ajmer, passes through the southeastern portion of the Thar Desert, and ends in the marshy lands of Rann of Kutch in Gujarat.
o The Banas is a river which lies entirely within the state of Rajasthan in western India. It is a tributary of the Chambal River, itself a tributary of the Yamuna, which in turn merges into the Ganga. The river originates in the Veron ka Math situated in Khamnor Hills of the Aravalli Range.
• Statement 4: Banas is the tributary of Chambal river.
Question 2 of 5
2. Question
2 points
Consider the following statements:
1. Ken and Betwa rivers have their source in Vindhyas.
2. Vindhyas have rifting, i.e The southern slope is steeper than the northern slopes.
3. It is known as the water divide of Central India.
How many of the statements given above are correct?
Correct
Correct Answer : C
• All the three statements are correct.
• Statement 1: The Vindhyan Range is a complex system of hills and plateaus that stretches across central India, primarily through the states of Madhya Pradesh, Uttar Pradesh, and parts of Rajasthan. Vindhyan range is the source of many north-flowing rivers such as Chambal ,Sindh, Betwa and Ken(these are the tributaries of river Yamuna). These rivers, originating from the Vindhyan Range, play a significant role in the drainage system of central India and contribute to the overall water resources and ecosystem of the region.
• Statement 2: The extent of Vindhyan range is from Gujarat to Bihar. It primarily extends across the central part of India, from eastern Gujarat to western Bihar. It is a geologically complex region with diverse rock formations.
o Vindhya range has rifting i.e. The southern slope is steeper than the northern slope.
o This asymmetry in the slope is attributed to a geological phenomenon known as the “Vindhyan rifting.” During the formation of the Vindhya Range, there was tectonic activity that led to the uplifting and tilting of the rock layers.
o As a result of this rifting, the southern slope of the Vindhya Range is steeper compared to the northern slope. The southern side of the range is characterised by scarps and cliffs, while the northern side gradually slopes towards the Gangetic plains.
• Statement 3: It is known as the water-divide of Central India. A water divide, also known as a watershed or drainage divide, is a geographical feature that separates the direction of water flow between different river systems.
o The Vindhya Range acts as a significant water divide in Central India, separating the flow of rivers towards the north and south. Rivers originating from the northern slopes of the Vindhya Range, such as the Chambal, Sindh, Betwa, and Ken rivers, flow northward and eventually join the Yamuna River, which is a tributary of the Ganges. These rivers form a part of the northern drainage system.
o On the southern slopes of the Vindhya Range, rivers such as the Narmada and Tapti flow towards the west, draining into the Arabian Sea. These rivers form a part of the southern drainage system.
o The Vindhya Range’s role as a water divide is significant as it influences the hydrology, water resources, and distribution of rivers in Central India. It helps define the basins and catchment areas of different river systems, impacting the flow patterns and water availability in the region.
Incorrect
Correct Answer : C
• All the three statements are correct.
• Statement 1: The Vindhyan Range is a complex system of hills and plateaus that stretches across central India, primarily through the states of Madhya Pradesh, Uttar Pradesh, and parts of Rajasthan. Vindhyan range is the source of many north-flowing rivers such as Chambal ,Sindh, Betwa and Ken(these are the tributaries of river Yamuna). These rivers, originating from the Vindhyan Range, play a significant role in the drainage system of central India and contribute to the overall water resources and ecosystem of the region.
• Statement 2: The extent of Vindhyan range is from Gujarat to Bihar. It primarily extends across the central part of India, from eastern Gujarat to western Bihar. It is a geologically complex region with diverse rock formations.
o Vindhya range has rifting i.e. The southern slope is steeper than the northern slope.
o This asymmetry in the slope is attributed to a geological phenomenon known as the “Vindhyan rifting.” During the formation of the Vindhya Range, there was tectonic activity that led to the uplifting and tilting of the rock layers.
o As a result of this rifting, the southern slope of the Vindhya Range is steeper compared to the northern slope. The southern side of the range is characterised by scarps and cliffs, while the northern side gradually slopes towards the Gangetic plains.
• Statement 3: It is known as the water-divide of Central India. A water divide, also known as a watershed or drainage divide, is a geographical feature that separates the direction of water flow between different river systems.
o The Vindhya Range acts as a significant water divide in Central India, separating the flow of rivers towards the north and south. Rivers originating from the northern slopes of the Vindhya Range, such as the Chambal, Sindh, Betwa, and Ken rivers, flow northward and eventually join the Yamuna River, which is a tributary of the Ganges. These rivers form a part of the northern drainage system.
o On the southern slopes of the Vindhya Range, rivers such as the Narmada and Tapti flow towards the west, draining into the Arabian Sea. These rivers form a part of the southern drainage system.
o The Vindhya Range’s role as a water divide is significant as it influences the hydrology, water resources, and distribution of rivers in Central India. It helps define the basins and catchment areas of different river systems, impacting the flow patterns and water availability in the region.
Question 3 of 5
3. Question
2 points
Consider the following statements:
1. Malwa plateau is located between Vindhyan and Satpura ranges.
2. Chambal badlands are one of its features.
3. Gully erosion occurs here.
How many of the statements given above are correct?
Correct
Correct Answer : B
• Statement 1 is wrong. Statements 2 and 3 are correct.
• Statement 1: Malwa plateau is located between Aravali and Vindhya ranges. It is a semi-arid region. The region of Malwa experiences a seasonal climate, with hot summers and relatively cool winters. It receives moderate rainfall, which makes it a semi-arid area. The agricultural practices in this region have traditionally relied on irrigation from rivers and groundwater sources to sustain crop cultivation.
• Statement 2 and 3: Faulty agricultural practices, such as improper land management and excessive soil exploitation, have resulted in high soil erosion in certain areas of the Malwa Plateau. Gully erosion, characterised by the formation of deep and narrow channels known as gullies, is a significant issue in this region. The excessive erosion of soil has led to the formation of Chambal Badlands, an area of highly eroded and degraded land.
o The Chambal Badlands, historically known as Khandesh, are located in the Chambal River basin, which flows through the Malwa region. The high soil erosion and gully formation in this area have had adverse effects on agriculture, land productivity, and overall environmental stability.
Incorrect
Correct Answer : B
• Statement 1 is wrong. Statements 2 and 3 are correct.
• Statement 1: Malwa plateau is located between Aravali and Vindhya ranges. It is a semi-arid region. The region of Malwa experiences a seasonal climate, with hot summers and relatively cool winters. It receives moderate rainfall, which makes it a semi-arid area. The agricultural practices in this region have traditionally relied on irrigation from rivers and groundwater sources to sustain crop cultivation.
• Statement 2 and 3: Faulty agricultural practices, such as improper land management and excessive soil exploitation, have resulted in high soil erosion in certain areas of the Malwa Plateau. Gully erosion, characterised by the formation of deep and narrow channels known as gullies, is a significant issue in this region. The excessive erosion of soil has led to the formation of Chambal Badlands, an area of highly eroded and degraded land.
o The Chambal Badlands, historically known as Khandesh, are located in the Chambal River basin, which flows through the Malwa region. The high soil erosion and gully formation in this area have had adverse effects on agriculture, land productivity, and overall environmental stability.
Question 4 of 5
4. Question
2 points
Consider the following statements about Chotanagpur plateau:
1. Rajmahal hills and Garjhat hills are part of Chotanagpur plateau.
2. Coal formation occurs there.
3. The South Koel river passes through it.
How many of the statements given above are correct?
Correct
Correct Answer : C
• All the statements are correct.
• Statement 1 : Chota Nagpur plateau is divided into two parts due to the rifting along Damodar valley. The northern part is called the Hazaribagh plateau and the southern part is called the Ranchi plateau. Here, there is a unique coal and iron combination.
o The Chota Nagpur Plateau is a large and rugged plateau that spans across parts of Jharkhand, Bihar, Odisha, and West Bengal. It is known for its rich mineral resources, particularly coal and iron ore.
o The unique combination of coal and iron ore deposits in the Chota Nagpur Plateau has played a significant role in the industrial development of the region. The presence of abundant coal reserves has fueled the establishment of numerous coal mines, making the area a major coal-producing region in India.
o The iron ore deposits found in the Chota Nagpur Plateau have also contributed to the growth of the iron and steel industry in the region. The availability of both coal and iron ore in close proximity has facilitated the development of integrated steel plants.
• Statement 2: Rajmahal hills are at the north-east edge of Chotanagpur plateau. They are characterised by their radial drainage pattern, which means that the rivers in this area radiate outward from a central point. The radial drainage pattern is commonly observed in regions with a central high point, from which rivers flow in different directions. The radial drainage pattern not only influences the hydrology of the region but also has implications for agriculture, settlement patterns, and transportation routes. The rivers originating from the Rajmahal Hills provide water for irrigation and support agricultural activities in the surrounding areas.
o The Garhjat Hills is a mountain range formed by a series low-lying hills, plateaux, ridges and meadows that stretch into Odisha from the Utkal Plains in the Chotanagpur region of Jharkhand and the Chhattisgarh Plains. The range, also known as the Odisha Highlands, runs in a north east to south west direction for about 382 km along the Odisha coast
• Statement 3: The rivers that flow through it are North Koel( tributary of Son), Damodar, Barakar, Subarnarekha, South Koel rivers(tributaries of Brahmani).
Incorrect
Correct Answer : C
• All the statements are correct.
• Statement 1 : Chota Nagpur plateau is divided into two parts due to the rifting along Damodar valley. The northern part is called the Hazaribagh plateau and the southern part is called the Ranchi plateau. Here, there is a unique coal and iron combination.
o The Chota Nagpur Plateau is a large and rugged plateau that spans across parts of Jharkhand, Bihar, Odisha, and West Bengal. It is known for its rich mineral resources, particularly coal and iron ore.
o The unique combination of coal and iron ore deposits in the Chota Nagpur Plateau has played a significant role in the industrial development of the region. The presence of abundant coal reserves has fueled the establishment of numerous coal mines, making the area a major coal-producing region in India.
o The iron ore deposits found in the Chota Nagpur Plateau have also contributed to the growth of the iron and steel industry in the region. The availability of both coal and iron ore in close proximity has facilitated the development of integrated steel plants.
• Statement 2: Rajmahal hills are at the north-east edge of Chotanagpur plateau. They are characterised by their radial drainage pattern, which means that the rivers in this area radiate outward from a central point. The radial drainage pattern is commonly observed in regions with a central high point, from which rivers flow in different directions. The radial drainage pattern not only influences the hydrology of the region but also has implications for agriculture, settlement patterns, and transportation routes. The rivers originating from the Rajmahal Hills provide water for irrigation and support agricultural activities in the surrounding areas.
o The Garhjat Hills is a mountain range formed by a series low-lying hills, plateaux, ridges and meadows that stretch into Odisha from the Utkal Plains in the Chotanagpur region of Jharkhand and the Chhattisgarh Plains. The range, also known as the Odisha Highlands, runs in a north east to south west direction for about 382 km along the Odisha coast
• Statement 3: The rivers that flow through it are North Koel( tributary of Son), Damodar, Barakar, Subarnarekha, South Koel rivers(tributaries of Brahmani).
Question 5 of 5
5. Question
2 points
Consider the following statements about Meghalaya plateau:
1. Meghalaya plateau is an extension of the Peninsular block.
2. It is separated from Chotanagpur plateau by Malda gap
3. Ganga-Brahmaputra flow through the Malda gap.
4. They are very effective in blocking the rain bearing winds.
How many of the statements given above are correct?
Correct
Correct Answer : C
• Statement 1,2 and 3 are correct. Statement 4 is wrong.
• Meghalaya plateau has three parts- Garo(Nokrek), Khasi(Shillong), Jaintia. Kapilli river separates the Mikir, Regma and Barail ranges from Meghalaya plateau.
• Statement 1: Meghalaya plateau is an extension of the Peninsular block.
• Statement 2: It is separated from the Chotanagpur plateau by the Malda gap. Malda gap refers to the downwarping along Rajmahal- Garo hills.
• Statement 3: Ganga-Brahmaputra flows through the Malda gap.
• Statement 4: The hills of Meghalaya plateau are not very high. They are not effective in blocking the rain-bearing winds. The rain bearing winds reach till Arunachal Pradesh. But they pass with funnel effect. So there is heavy rainfall in Meghalaya plateau. But due to inadequate storage, there is a water shortage.
Incorrect
Correct Answer : C
• Statement 1,2 and 3 are correct. Statement 4 is wrong.
• Meghalaya plateau has three parts- Garo(Nokrek), Khasi(Shillong), Jaintia. Kapilli river separates the Mikir, Regma and Barail ranges from Meghalaya plateau.
• Statement 1: Meghalaya plateau is an extension of the Peninsular block.
• Statement 2: It is separated from the Chotanagpur plateau by the Malda gap. Malda gap refers to the downwarping along Rajmahal- Garo hills.
• Statement 3: Ganga-Brahmaputra flows through the Malda gap.
• Statement 4: The hills of Meghalaya plateau are not very high. They are not effective in blocking the rain-bearing winds. The rain bearing winds reach till Arunachal Pradesh. But they pass with funnel effect. So there is heavy rainfall in Meghalaya plateau. But due to inadequate storage, there is a water shortage.
