Rivers and Lakes of India

Correct answer: C. Sutlej

The correct answer is Sutlej. The Sutlej rises in the Tibetan Plateau near the Rakshastal–Mansarovar region and then flows toward India, entering Himachal Pradesh near Shipki La. In the Himalayas it cuts a remarkably deep gorge before continuing through the state and later joining the Indus river system. Jhelum is associated with the Kashmir Valley and rises near Verinag, while Chenab is formed by the confluence of the Chandra and Bhaga rivers. Ravi rises near the Bara Bhangal region of Himachal Pradesh. Thus, the combination of a Tibetan source near Rakshastal and a deep gorge in Himachal Pradesh identifies Sutlej.

Correct answer: B. Narmada

The correct answer is Narmada. It rises at or near Amarkantak in Madhya Pradesh and travels westward through a structural rift valley between the Vindhya and Satpura ranges. It eventually enters the Arabian Sea through the Gulf of Khambhat. This westward direction is an important geographical distinction because most major peninsular rivers, such as the Mahanadi, Godavari, Krishna, and Kaveri, flow eastward into the Bay of Bengal. Tapi is also a west-flowing river and reaches the Arabian Sea, but its source is in the Satpura region near Multai, not Amarkantak. Son rises near Amarkantak but flows generally eastward as a tributary of the Ganga.

Correct answer: A. Godavari

The correct answer is Godavari, popularly called the Dakshin Ganga or Ganga of the South. It is the longest river of peninsular India and has one of the largest drainage basins among Indian rivers. It rises near Trimbakeshwar in Maharashtra and flows generally eastward across the Deccan Plateau before reaching the Bay of Bengal through a broad delta. Krishna is another major east-flowing peninsular river, but it is shorter and is not normally identified by the title Dakshin Ganga. Kaveri has great cultural and agricultural importance but a smaller basin. Pennar is also an east-flowing river, yet its basin is considerably smaller. The large basin and southern comparison with the Ganga point specifically to Godavari.

Correct answer: B. Loktak Lake

The correct answer is Loktak Lake in Manipur. It is famous for phumdis, which are floating masses made from a mixture of vegetation, soil, and organic matter. These formations are a distinctive ecological feature of the lake and support a variety of plants and animals. The Keibul Lamjao National Park, often described as the world’s only floating national park, is located on phumdis in the southern part of Loktak Lake and provides habitat for the endangered sangai deer. Dal Lake is in Kashmir and is known for houseboats and gardens. Vembanad is a large backwater lake in Kerala, while Kolleru is a freshwater lake in Andhra Pradesh. Their locations and features do not match the question.

Correct answer: B. Sambhar Lake

The correct answer is Sambhar Lake. Located in Rajasthan, Sambhar is India’s largest inland salt lake and occupies a broad shallow depression that collects water from seasonal streams. High evaporation in the arid climate leaves dissolved salts behind, making salt extraction an important local economic activity. Pushkar Lake near Ajmer is a small freshwater lake with religious significance. Nakki Lake is a small highland lake at Mount Abu and is also freshwater. Jaisamand, or Dhebar Lake, is a large artificial freshwater reservoir created by a dam in Rajasthan. These distinctions matter because the question combines three clues: Rajasthan, inland location, and saline water. Taken together, those clues identify Sambhar and exclude the other listed lakes.

Correct answer: B. Brahmagiri Hills

The correct answer is the Brahmagiri Hills. The Kaveri rises at Talakaveri, a revered source area situated in the Brahmagiri range of Kodagu district in Karnataka, close to the Karnataka–Kerala border. From there it flows generally southeast and east through Karnataka and Tamil Nadu before reaching the Bay of Bengal. Mahadeo Hills are associated with the Satpura region of central India and not with the Kaveri source. The Aravalli range lies mainly in northwestern India, including Rajasthan, and is unrelated to this river’s origin. Khasi Hills are in Meghalaya in northeastern India and are associated with a different climatic and drainage setting. The place-name Talakaveri can help connect the Kaveri to the Brahmagiri Hills in map-based questions.

Correct answer: A. Chilika Lake

The correct answer is Chilika Lake. It is a large brackish-water lagoon along the Odisha coast, separated from the Bay of Bengal by a sandbar but connected with the sea through channels. Its salinity changes across the lagoon and between seasons because seawater mixes with freshwater brought by rivers and rainfall. Chilika supports rich fishery resources and is an important wintering ground for migratory birds. Wular Lake is a major freshwater lake in Jammu and Kashmir. Hussain Sagar is a man-made freshwater reservoir between Hyderabad and Secunderabad, while Naini Lake is a freshwater hill lake in Uttarakhand. The terms Odisha coast, lagoon, and brackish water together provide a precise identification of Chilika.

Correct answer: D. Mahanadi

Indian rivers drain mainly toward either the Arabian Sea or the Bay of Bengal. The direction depends on the slope of the land and the river basin. Tapi, Mahi, and Sabarmati flow generally westward and reach the Arabian Sea. Mahanadi, in contrast, flows eastward across central and eastern India before reaching the Bay of Bengal. Identifying the river mouth therefore distinguishes the correct option.

Mahanadi rises in the highlands of present-day Chhattisgarh and flows through Odisha. It forms a delta near its mouth and empties into the Bay of Bengal. Tapi, Mahi, and Sabarmati are west-flowing rivers associated with the Arabian Sea drainage. Thus option D, Mahanadi, is the river that does not drain into the Arabian Sea. The question is about the final drainage basin, not merely the state through which a river passes.

Correct answer: A. Krishna and Godavari

Kolleru is a large freshwater lake in coastal Andhra Pradesh. Its location is described in relation to two important river-delta systems on the eastern coast. The lake lies in the low-lying area between the Krishna Delta to the south and the Godavari Delta to the north. This location helps distinguish it from lakes connected with other coastal rivers.

Therefore, the correct pair is Krishna and Godavari, which is option A. The Mahanadi and Brahmani are associated with the Odisha coast, while the Kaveri, Vaigai, Narmada, and Tapi belong to different regions. None of those pairs identifies Kolleru’s position. The supplied answer is geographically consistent.

Correct answer: B. Ganga river system

The governing concept is river drainage and the identification of a tributary by the larger river into which it ultimately flows. The Son rises near Amarkantak in Madhya Pradesh and flows generally east or northeast. It joins the Ganga near Patna in Bihar, entering the Ganga from the south. For this reason, school geography describes it as an important southern tributary of the Ganga, making option B correct. The Indus system drains much of the northwest, the Krishna system belongs mainly to peninsular India, and the Brahmaputra system is associated chiefly with the northeast. The Son does not join any of those systems. Tracing the river’s course and mouth is the reliable way to identify its drainage system.

Correct answer: A. Jhelum

Wular Lake is a large freshwater lake in the Kashmir Valley and is directly connected with the Jhelum River. The Jhelum enters the lake, its water spreads through the lake basin, and the river continues onward after leaving it. This connection makes Wular an important component of the Jhelum drainage system and helps regulate water storage and flooding in the valley. Therefore, option A, Jhelum, is correct. Chenab, Ravi, and Sutlej are also important rivers of the Indus system, but none is directly associated with Wular Lake. The key clue is the lake’s location in the Kashmir Valley and its hydrological connection with the Jhelum.

Correct answer: B. Krishna

The Krishna is a major peninsular river that rises near Mahabaleshwar in the Western Ghats. From its source, it flows mainly eastward across the Deccan Plateau and ultimately reaches the Bay of Bengal. This eastward direction reflects the general slope of the Peninsular Plateau. Thus option B, Krishna, is correct. The Sabarmati rises in the Aravalli region and flows toward the Arabian Sea. The Mahi also flows westward to the Arabian Sea, and the Tapi rises in central India before following a westward course to the same sea. Although all are important Indian rivers, only Krishna satisfies both clues: an origin in or near the Western Ghats and an eastward course ending in the Bay of Bengal.

Correct answer: C. Andhra Pradesh and Tamil Nadu

Pulicat Lake is a large brackish coastal lagoon on the southeastern coast of India. It lies mainly in the boundary region between Andhra Pradesh and Tamil Nadu, north of Chennai, and is separated from the Bay of Bengal by a narrow sandy barrier. Its coastal setting and lagoon character make it an important feature of the physical geography of both states. Therefore, option C, Andhra Pradesh and Tamil Nadu, is correct. Kerala and Karnataka are located on the southwestern coast, while Odisha and West Bengal are farther north along the eastern coast. Gujarat and Maharashtra are western coastal states. None of those pairs matches the location of Pulicat Lake. The decisive clue is its position near the Andhra Pradesh–Tamil Nadu border.

Correct answer: A. Alaknanda and Bhagirathi

In a river system, the name of a major river may be applied after important streams meet. At Devprayag in Uttarakhand, the Alaknanda and Bhagirathi join, and the combined downstream river is traditionally known as the Ganga. The Bhagirathi is commonly regarded as the principal source stream, while the Alaknanda is another major Himalayan headstream. Their confluence is therefore a key geographical point in the origin of the Ganga’s main course. Option A is correct. The Mandakini and Pindar are important tributaries associated with the Alaknanda system, but they do not create the Ganga name at Devprayag. The Yamuna and Tons form a separate river system, while the Son and Gandak join the Ganga farther downstream. Thus only Alaknanda and Bhagirathi fit the stated location and process.

Correct answer: A. Kaveri

The correct answer is Kaveri, also written as Cauvery. The governing concept is the association of major Indian rivers with their basins, states and inter-state water use. The Kaveri rises in Karnataka, flows through Karnataka and Tamil Nadu, and its waters are also important to adjoining regions. Because rainfall varies seasonally and the river is heavily used for irrigation, drinking water and other needs, sharing its waters has repeatedly required negotiation and legal decisions. Vaigai is mainly associated with Tamil Nadu, Pennar flows through parts of southern India but is not the river famous for this dispute, and Periyar is chiefly associated with Kerala. Therefore, option A is unambiguous.

Correct answer: C. Meteorite impact

Option C is correct because Lonar Lake is widely identified as an impact crater lake in Maharashtra. The governing concept is the origin of lakes: some form through glacial action, river deposition, tectonic movement, coastal processes or meteorite impacts. A large meteorite struck the basaltic surface of the Deccan region, producing a roughly circular depression that later collected water and became Lonar Lake. Glacial erosion is unlikely because the site is not a glaciated mountain environment. Tidal blocking applies to coastal settings, while river deposition generally creates floodplain or deltaic lakes rather than a distinctive crater basin. Thus the special geological origin points to a meteorite impact.

Correct answer: B. Inland or seasonal river

Option B is correct. Ghaggar is generally described in school geography as an inland, seasonal river of northwestern India. The governing concept is the classification of rivers by source, flow regime and drainage destination. Unlike Himalayan perennial rivers, which receive water from snowmelt as well as rainfall, Ghaggar depends mainly on seasonal rainfall and does not maintain the same continuous flow throughout the year. Its drainage becomes discontinuous in the drier part of its course, which is why it is associated with an inland or seasonal character. It is not a lava-plateau river, and the question is not describing a major delta-forming river. Therefore, option B best fits the accepted geographical description.

Correct answer: B. Ganga system

Option B, the Ganga system, is correct. The governing concept is the distinction between a river’s main system, tributaries and distributaries in a delta or lower-course region. In West Bengal, the Bhagirathi-Hooghly channel is a distributary branch of the Ganga system. A distributary leaves the main river and carries water away toward the delta and sea, whereas a tributary joins a larger river. Narmada is a separate west-flowing peninsular river system, Godavari belongs to the east-flowing Deccan drainage, and the Indus system is associated mainly with the northwestern part of the subcontinent. Since Bhagirathi-Hooghly is linked to the Ganga, option B is the only correct answer.

Correct answer: C. Chambal-Yamuna system

Option C is correct. Shipra, also called Kshipra, is an important river of Madhya Pradesh and a tributary of the Chambal. The Chambal then joins the Yamuna, so Shipra belongs to the Chambal-Yamuna drainage network and ultimately connects with the larger Ganga system. The governing concept is hierarchical river drainage: a smaller tributary can be traced into a larger tributary and then into a major basin. Shipra is not part of the Narmada, Godavari or direct Ganga systems in the sense asked here. Ujjain’s location on the Shipra is an additional geographical clue. Therefore, the most precise option is the Chambal-Yamuna system.

Correct answer: A. Narmada

Narmada is a major west-flowing river of peninsular India, as is the Tapi. Most large peninsular rivers flow eastward into the Bay of Bengal, but Narmada and Tapi flow westward into the Arabian Sea. This unusual direction is related to their courses through rift valleys and the slope of the land.

Narmada rises near Amarkantak in Madhya Pradesh and flows west between the Vindhya Range to the north and the Satpura Range to the south before reaching the Arabian Sea. Kaveri and Godavari flow generally eastward, while Damodar belongs to the eastern drainage system. Therefore, option A, Narmada, is correct.

Correct answer: B. It is a brackish lagoon

Chilika is different from an ordinary freshwater lake because it is a coastal lagoon containing brackish water. Brackish water forms where freshwater mixes with seawater, so its salinity is between that of a river and the open sea. Chilika lies along the Odisha coast and is separated from the Bay of Bengal by a sandy barrier, while channels permit exchange of water with the sea. This coastal connection creates changing physical conditions and supports rich fish, bird, plant, and other aquatic life. Therefore option B, a brackish lagoon, is correct. It is not an entirely glacial lake, because it is not formed by glacial action. It is neither an artificial dam nor a desert lake. Its lagoon form and partial connection with seawater are the governing concepts.

Correct answer: A. Tungabhadra

Tungabhadra is a major tributary of the Krishna River. It is formed in Karnataka by the meeting of the Tunga and Bhadra rivers. From there it flows generally eastward and eventually joins the Krishna. Its course and formation connect it strongly with Karnataka and the adjoining Andhra Pradesh region, which matches the clue in the question.

The other options are tributaries or rivers of different drainage systems. The Kosi and Gandak belong mainly to the Ganga river system in northern India, while the Lohit is an important tributary of the Brahmaputra in the northeast. They are not major tributaries of the Krishna. Therefore Tungabhadra is the correct answer, so option A follows from both its origin and its connection with the Krishna basin.

Correct answer: A. Luni

The correct answer is Luni. It rises near the Aravalli region of Rajasthan and flows through the arid parts of western Rajasthan towards the Rann of Kachchh. Because evaporation is high and the channel passes through a dry landscape, its water may become saline and the river does not behave like a perennial river reaching the open sea. Ganga is a large Himalayan river flowing eastward, Teesta belongs to the eastern Himalayan system, and Brahmani drains Odisha. The desert setting and terminal direction clearly identify option A.

Correct answer: A. Ganga

The governing concept is the identification of Indian river systems and their tributaries. The Gandak rises in the Himalayan region of Nepal and Tibet, enters the plains of northern India, and eventually joins the Ganga. Therefore, option A, Ganga, is correct. Narmada flows westward into the Arabian Sea and is not the receiving river of the Gandak. Kaveri is a major peninsular river of southern India, while Mahi flows through western India and also reaches the Arabian Sea. Gandak, Ghaghara and Kosi are useful examples of important northern tributaries that contribute to the Ganga basin.

Correct answer: A. Hussain Sagar

The governing concept is the geographical identification and classification of Indian lakes. Hussain Sagar is a famous artificial lake situated in Hyderabad, Telangana, and is historically associated with the city’s urban landscape. Hence, option A is correct. Loktak Lake is a natural freshwater lake in Manipur and is especially known for its floating phumdis. Wular Lake is a large natural freshwater lake in Jammu and Kashmir, while Sambhar Lake is a saline inland lake in Rajasthan. The word “artificial” is an important clue: it separates Hussain Sagar from the natural lakes in the other options. The city association with Hyderabad provides a second confirming clue.