Solution: (d)
Vembanad Lake of Kerala is the longest lake in India with a length of 95.6 km. Besides, with a surface area of 2033 km², it is the largest lake in Kerala and spans several districts of the state. The Nehru Trophy Boat Race is conducted in a portion of the lake.
Which is largest peninsular river in India?
(a) Krishna
(b) Godavari
(c) Cauvery
(d) Mahanadi
Solution: (b)
In terms of length, catchment area and discharge, the Godavari river is the largest in peninsular India. It has a total length of 1465 km. It is also the second longest river in India after the Ganges and is, thus, also known as Dakshin ganga. It forms one of the largest river basins in the Indian subcontinent, with only the Ganges and Indus rivers having larger drainage basins.
In North-East India, ______ is known to be the largest freshwater lake.
(a) Dal Lake
(b) Chilika Lake
(c) Loktak Lake
(d) Tsomoriri Lake
Solution: (c)
Loktak Lake is the largest freshwater lake in Northeast India. It is located near Moirang in Manipur. It is famous for the phumdis (heterogeneous mass of vegetation, soil, and organic matter at various stages of decomposition) floating over it.
The longest river of peninsular India is
(a) Narmada
(b) Godavari
(c) Mahanadi
(d) Cauvery
Solution: (b)
The Godavari is the longest river of peninsular India with a length of 1465 km. It is also the second longest river in India after the Ganges. It is due to its vast length, catchment area and discharge, it has been dubbed as the ‘Dakshina Ganga’. It drains the states of s Maharashtra, Telangana, Andhra Pradesh, Chhattisgarh, Madhya Pradesh, Odisha and Karnataka
The largest irrigation canal in India is ________
(a) Yamuna canal
(b) Indira Gandhi canal
(c) Sirhand canal
(d) Upper Bari Doab canal
Solution: (b)
The Indira Gandhi Canal is the largest irrigation project India. It starts from the Harike Barrage at Firozpur, below the confluence of the Satluj and Beas rivers in the Indian state of Punjab and terminates in irrigation facilities in the Thar Desert in Rajasthan. It runs through Punjab, Haryana and Rajasthan.
The sideways erosion which widens the river valley called?
(a) Lateral Corrosion
(b) Vertical Corrosion
(c) Side Corrosion
(d) Mean Corrosion
Solution: (a)
Sideways form of erosion is called lateral erosion. In lateral erosion, the river erodes away at its banks and widens the river channel. Together, vertical and lateral erosion create the distinctive V-shaped valley that is found in rivers in their upper course. As the river gets closer to the sea, there is more lateral erosion than vertical erosion and the V flattens out into a much wider shape.
Punjab has a large number of inundation canals drawing water from
(a) Jhelum river
(b) Chenab river
(c) Beas river
(d) Sutlej river
Solution: (d)
Punjab has large number of the Sutlej inundation canals, which are taken out from the rivers without any regulating system like weirs etc. at their head. Such canals provide irrigation mainly in the rainy season when the river is in flood and there is excess water. Some of such inundation canals are Sirhind, Bhakra, etc.
The region which is a water divide between the Ganga and Indus river systems is
(a) Haridwar
(b) Namchobarva
(c) Alakananda
(d) Ambala
Solution: (d)
Any elevated area, such as a mountain or upland, that separates two drainage basins is known as water divide; for example, the water divide between the Indus and the Ganga river systems. Ambala is located on this water divide.Similarly, the Western Ghats form the main water divide in Peninsular India.
Which river in the Southern Peninsula has the second largest river basin in India?
(a) Godavari
(b) Krishna
(c) Cauvery
(d) Mahanadi
Solution: (a)
After the Ganga river basin, the Godavari River Basin has the second largest river basin with a drainage area of 312,812 km2. In terms of length, catchment area and discharge, the Godavari river is the largest in peninsular India and had been dubbed as the ‘Dakshina Ganga’ – the South Ganges river.
Ganga is a result of confluence of rivers Bhagirathi and Alakananda at which place?
(a) Dev Prayag
(b) Karan Prayag
(c) Gangotri
(d) Rudra Prayag
Solution: (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.
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