Kaveri is the only perennial river in peninsular India. Though not snow-fed like the rivers of north India, Kaveri receives rainwater almost all through the year, mainly due to the occurrence of reverse Monsoon in Tamil Nadu, in which monsoon brings a significant amount of rains even during its retreat from the Indian subcontinent.

Correct Option: B

Kaveri is the only perennial river in peninsular India. Though not snow-fed like the rivers of north India, Kaveri receives rainwater almost all through the year, mainly due to the occurrence of reverse Monsoon in Tamil Nadu, in which monsoon brings a significant amount of rains even during its retreat from the Indian subcontinent.

West-flowing rivers in India such as Narmada and Tapti do not form deltas. They flow through fault region created by the mountains Vindhya and Satpura which is rocky and devoid of any alluvial material. Thus they don’t carry many sediments to form deltas.

Correct Option: D

West-flowing rivers in India such as Narmada and Tapti do not form deltas. They flow through fault region created by the mountains Vindhya and Satpura which is rocky and devoid of any alluvial material. Thus they don’t carry many sediments to form deltas.

The Ganga is the largest and the most important river of India. The 2,525 kilometres long river carries off the drainage of a vast basin area 861,404 kilometres covering 26.2 percent area of India’s total geographical area. The watershed of the river Ganga is spread over ten States of India, namely Uttarakhand, Uttar Pradesh, Bihar, Jharkhand, West Bengal, Himachal Pradesh, Rajasthan, Haryana, Madhya Pradesh and Delhi.

Correct Option: C

The Ganga is the largest and the most important river of India. The 2,525 kilometres long river carries off the drainage of a vast basin area 861,404 kilometres covering 26.2 percent area of India’s total geographical area. The watershed of the river Ganga is spread over ten States of India, namely Uttarakhand, Uttar Pradesh, Bihar, Jharkhand, West Bengal, Himachal Pradesh, Rajasthan, Haryana, Madhya Pradesh and Delhi.

It is at Dev Prayag in Tehri Garhwal district of Uttarakhand that Alaknanda and Bhagirathi rivers meet and take the name Ganga or Ganges River. It is one of the Panch Prayag (five confluences) of Alaknanda River. The Alaknanda rises at the feet of the Satopanth and Bhagirath Kharak glaciers in Uttarakhand. The headwaters of the Bhagirathi are formed at Gaumukh, at the foot of the Gangotri glacier and Khatling glaciers in the Garhwal Himalaya.

Correct Option: A

It is at Dev Prayag in Tehri Garhwal district of Uttarakhand that Alaknanda and Bhagirathi rivers meet and take the name Ganga or Ganges River. It is one of the Panch Prayag (five confluences) of Alaknanda River. The Alaknanda rises at the feet of the Satopanth and Bhagirath Kharak glaciers in Uttarakhand. The headwaters of the Bhagirathi are formed at Gaumukh, at the foot of the Gangotri glacier and Khatling glaciers in the Garhwal Himalaya.

Vembanad is the longest lake in India, and the largest lake in the state of Kerala. Spanning several districts in the state of Kerala, it is known as Punnamada Lake in Kuttanad, Kochi Lake in Kochi. The Vembanad wetland system covers an area of over 2033.02 km² thereby making it the largest wetland system in India.

Correct Option: D

Vembanad is the longest lake in India, and the largest lake in the state of Kerala. Spanning several districts in the state of Kerala, it is known as Punnamada Lake in Kuttanad, Kochi Lake in Kochi. The Vembanad wetland system covers an area of over 2033.02 km² thereby making it the largest wetland system in India.