Day-720 | Daily MCQs | UPSC Prelims | GEOGRAPHY

Answer: B
Explanation:
Statement 3 is incorrect: Mawmluh cave is located in Meghalaya.
Statement 1 is correct:
About Krem Liat Prah Caves:
● Krem is the Khasi word for “cave”.
● Krem Liat Prah is the longest natural cave in South Asia.
● Also known as the Cave of the Tiger, it is one of the longest limestone caves in the world.
● Prah is one of approximately 150 known caves in the Shnongrim Ridge of the East Jaintia Hills district in the state of Meghalaya, northeast India.

Answer: B
Explanation:
Waterfalls – Rivers
1. Chitrakote falls – Indravati river
2. Hundru falls – Subarnarekha river
3. Hogenakkal falls – Cauvery river
4. Duduma falls – Machkund river
Pair 1 is matched incorrectly:
Chitrakote Falls:
● The Chitrakote falls is a natural waterfall on the Indravati River.
● Location: Located approximately 38 kilometres to the west of Jagdalpur, in Bastar district in Chhattisgarh.
● Height: About 29 metres (95 ft)
● It is the widest waterfall in India, reaching a width of nearly 300 metres (980 ft) during the monsoon season.

Answer: C
Explanation:
Only Statement 1 is incorrect
Statement 1 is incorrect:
Rapeseed and Mustard:
● Rapeseed and mustard comprise several oilseeds such as rai, sarson, toria and taramira.
● These are subtropical crops cultivated during rabi season in north-western and central parts of India.
● These are frost sensitive crops and their yields fluctuate from year to year.
● These oilseeds together occupy only 2.5 per cent of total cropped area in the country.
● Rajasthan contributes about one-third production while other leading producers are Uttar Pradesh, Haryana, West Bengal and Madhya Pradesh.
● Yields of these crops are comparatively high in Haryana and Rajasthan.
Statement 2 is correct:
● The oil content of the rapeseed and mustard ranges from 25 to 45 percent.
● Rapeseed contains about 42 % oil and mustard contains about 38-40 % oil.
Statement 3 is correct:
Uses of rape seed oil:
● Rapeseed oil is used as a cooking medium, preservatives for pickles, toiletries, lubricants and greases.
● Oil cakes form an important cattle feed and are also used as manure.
Statement 4 is correct:
Uses of mustard oil:
● Mustard essential oil has great anti-inflammatory properties. Historically, mustard oil has been used to:
⮚ As cooking oil (Mustard oil contains erucic acid in high amount and it is removed before use as edible oil)
⮚ Treat arthritis
⮚ Soothe aches and pains
⮚ Decrease inflammation from chest conditions such as bronchitis and pneumonia
⮚ Relieves Body pain
● In the tanning industry, mustard oil is used for softening leather.

Answer: D
Explanation:
Kolleru lake is not a lagoon lake
About Kolleru lake:
● Kolleru Lake is one of the largest freshwater lakes in India and is located in Andhra Pradesh.
● Kolleru is located between Krishna and Godavari delta and covers an area of 308 sq. km.
● The lake serves as a natural flood-balancing reservoir for these two rivers.
● The lake is fed directly by water from the seasonal Budameru and Tammileru streams, and is connected to the Krishna and Godavari systems by over 68 inflowing drains and channels.
● It serves as a habitat for migratory birds.
● It supports the livelihood of fishermen and riparian population in the area.
● The lake was notified as a wildlife sanctuary in November 1999 under India’s Wildlife (Protection) Act, 1972, and designated a wetland of international importance in November 2002 under the international Ramsar Convention.

Answer: A
Explanation:
Hatia dam is not a part of Damodar Valley Corporation Multipurpose project
About Damodar Valley Corporation Multipurpose project:
Damodar river:
● Damodar river is a tributary of the Hugli river.
● Flows in the west to east direction through Jharkhan and West Bengal.
● Total length = 541 km (270 km in Jharkhand and remaining 271 km in West Bengal).
● It became notorious for its floods and was known as the ‘River of Sorrow’.
In order to control the floods and other related problems, the Damodar Valley Corporation Multipurpose project was conceived. It involves following dams constructed under it:
Tilaiya dam:
● Constructed on the Barak river.
● Construction started in 1950 and completed in 1953.
Konar dam:
● Constructed on Konar river in Hazaribagh district of Jharkhand.
● It is 3549 metres long and its maximum height above the river bed is 49 metres.
● It is an earthen dam with a concrete spillway.
● Bokaro steel plant and Bokaro thermal plant receive hydroelectric power and clean water respectively from this dam.
Maithon dam:
● Constructed on Barakar river, a little upstream from the confluence of rivers Damodar and Barakar.
● Maximum height of the dam is 49 metres.
Panchet Hill dam:
● An earthen dam with concrete spill-way which is constructed on river Damodar.
● Maximum height of 49 metres.
● Completed in 1959.
Durgapur barrage:
● Located at about 23 km from Raniganj has been created for the storage of irrigation water.
● Height is 12 metres.
● It stores water from Konar, Talaiya, Maithon and Panchet hill dams.