Question 1

Sambhar Lake, the largest saltwater lake in India, is located in which state?

Accepted Answer

Sambhar Lake is located in Rajasthan and is the largest saltwater/saline lake in India. It covers an area of approximately 240 sq km and is an important source of salt production in India.

Question 2

Which of the following rivers is the longest river in India?

Accepted Answer

The Ganges (Ganga) River is the longest river in India with a total length of approximately 2,525 km. It originates from the Gangotri Glacier in the Himalayas and flows through northern India before emptying into the Bay of Bengal in Bangladesh.

Question 3

Which lake is the largest freshwater lake in India by surface area?

Accepted Answer

Wular Lake in Jammu and Kashmir is the largest freshwater lake in India with a surface area of approximately 189 sq km. It is located in the Kashmir Valley and is an important wetland ecosystem.

Question 4

The Godavari River, also known as the 'Dakshin Ganga', originates from which mountain range?

Accepted Answer

The Godavari River originates from the Western Ghats mountain range, specifically from the Trimbakeshwar region in Maharashtra. It is the second-longest river entirely within India and flows eastward into the Bay of Bengal.

Question 5

Which of the following is the main tributary of the Ganges River?

Accepted Answer

The Yamuna River is the largest and most important tributary of the Ganges River. It originates from the Yamunotri Glacier in the Himalayas and joins the Ganges at Allahabad (Prayagraj) in Uttar Pradesh.

Question 6

Loktak Lake, known for its floating ecosystem and the endangered Sangai deer, is located in which state?

Accepted Answer

Loktak Lake is located in Manipur state in northeastern India. It is the largest freshwater lake in northeastern India with an area of approximately 287 sq km. The lake is famous for its floating islands called 'Phumdis' and is home to the endangered Manipur brow-antlered deer (Sangai). It is a Ramsar Wetland site and a National Park.

Question 7

The Wular Lake, India's largest freshwater lake by surface area, is located in which state?

Accepted Answer

Wular Lake is located in Jammu and Kashmir (now Union Territory of Jammu and Kashmir). It is the largest freshwater lake in India with a surface area of approximately 189 sq km. The lake is situated in the Bandipore area of the Kashmir Valley and is an important wetland ecosystem.

Question 8

The Indus River, one of the longest rivers in Asia, originates from which mountain range?

Accepted Answer

The Indus River originates from the Kailash Range (also called Kailash Mountains) in the Tibetan Plateau, near Lake Mansarovar, at an elevation of approximately 5,180 meters. The river flows for about 3,180 km through Ladakh, Jammu and Kashmir, Punjab, Sindh, and Balochistan before emptying into the Arabian Sea. It is the second-longest river in Asia after the Yangtze River.

Question 9

Which of the following rivers is the longest tributary of the Ganges River by length?

Accepted Answer

The Yamuna River is the longest tributary of the Ganges, with a total length of approximately 1,376 km. It originates from the Yamunotri Glacier in the Himalayas and joins the Ganges at Allahabad (Prayagraj). The Yamuna basin covers an area of about 366,223 sq km, making it a major river system in North India.

Question 10

The Brahmaputra River, one of India's major rivers, originates in the Chemayungdung glacier and flows through multiple states before joining the Ganga. Which of the following statements about the Brahmaputra is INCORRECT?

Accepted Answer

The Brahmaputra originates in Tibet (Chemayungdung glacier in the Kailash range), enters India through Arunachal Pradesh, flows through Assam, and meets the Ganga in Bangladesh to form the world's largest delta (Sundarbans). It is the second-longest river in the Indian subcontinent after the Ganga. The river is also known as Tsangpo in Tibet and Jamuna in Bangladesh.

Question 11

The Narmada River, one of India's major west-flowing rivers, flows through how many states before emptying into the Arabian Sea?

Accepted Answer

The Narmada River originates in the Amarkantak plateau in Madhya Pradesh and flows westward through Madhya Pradesh, Maharashtra, and Gujarat before emptying into the Arabian Sea at the Gulf of Cambay. It flows through 3 states.

Question 12

Lake Wular, India's largest freshwater lake by surface area, is located in which Union Territory/State, and what is its approximate surface area?

Accepted Answer

Lake Wular is located in Jammu and Kashmir (now a Union Territory) and has a surface area of approximately 234 km² (though it fluctuates seasonally between 190–234 km²). It is the largest freshwater lake in India by surface area.

Question 13

The Brahmaputra River, one of Asia's major rivers, originates in the Chemayungdung glacier. Through which of the following countries does it flow before entering India?

Accepted Answer

The Brahmaputra originates in Tibet (China) in the Chemayungdung glacier in the Kailash Range, flows through Tibet as the Yarlung Tsangpo, enters Arunachal Pradesh in India, and then flows through Assam. It is the only major river to flow through Tibet before entering India.

Question 14

The Sutlej River, a major tributary of the Indus, originates in Tibet and flows through multiple Indian states. Which of the following is the correct sequence of states it flows through before joining the Indus?

Accepted Answer

The Sutlej River originates in the Rakas Lake region of Tibet and flows through Himachal Pradesh, Punjab, and then joins the Indus River in Pakistan. Within India, it flows through Himachal Pradesh and Punjab in that order.

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