Roman Saini is teaching live on Unacademy Plus
unacademy GEOGRAPHY NCERT CLASS 9th MCQs : 31-40 By Roman Saini
unacademy Q31. Which of the following peaks of the Himalayas are located in India? 1.Mt.Everest 2.Kanchenjunga 3.Nanga Parbat 4.Kamet Select the correct answer using the code given below? A) 1 and 2 only B) 1,2 and 3 only C) 2,3 and 4 only D) All of the above
u n academy Answer-C) 2, 3 and 4 Some highest peaks of the Himalayas in India are 1.Kanchenjunga 2.Nanga Parbat 3.Nanda Devi 4.Kamet 5.Namcha Barwa Some highest peaks of the Himalayas in Nepal are 1.Mt.Everest 2.Makalu 3.Dhaulagiri 4.Annapurna 5.Gurla Mandhata
unacademy Q 32. Which of the following is the correct sequence of the three ranges of the Himalayas if someone moves from south to north? 1.Himadri 2.Himachal 3.Shiwaliks Select the correct answer using the code given below? A) 1-2-3 B) 2-1-3 C) 1-3-2 D) 3-2-1
unacademy Answer-D) 3-2-1 The Himalayas consists of three parallel ranges in its longitudinal extent. The northern most range is known as the Great or Inner Himalayas or the Himadri. The range lying to the south of the Himadri forms the most rugged mountain system and is known as lesser Himalaya or Himachal. The outer most range of the Himalaya is known as the Shiwaliks. They extend over a width of 10-50 km.
unacademy Q33.Consider the following statements: 1.Himadri contains all the prominent Himalayan peaks. 2.The Himachal ranges are mainly composed of highly compressed and altered rocks. 3.Shiwalik ranges are covered with thick gravel and alluvium. Select the correct answer using the code given below? A) 1 and 2 only B) 2 and 3 only C) 1, 2 and 3 D) None of the above
unacademy Answer-c) 1, 2 and 3 Himadri is the most continuous range consisting of the loftiest peaks with an average height of 6,000m. The Kanchenjunga, Mt. Everest, Kamet etc. are some prominent peaks located here. The Himachal range consists the famous valley of Kashmir, Kangra and Kullu valley. This range is well known for its hill stations. Shiwaliks have an altitude varying between 900 and 1100 metres. These ranges are composed of unconsolidated sediments brought down by rivers from the main Himalayan ranges located farther north.
u n academy Q 34. Which of the following mountain ranges lie in the lesser Himalaya? 1.Zanskar range 2.Pir Panjal range 3.Dhauladhar range 4.Mahabharat range Select the correct answer using the code given below? A) 1, 3 and 4 only B) 2,3 and 4 only C) 1 and 2 only D) All of the above
unacademy Answer-B) 2,3 and 4 Zanskar range lies north to the Great Himalayas. While the Pir Panjal range forms the longest and the most important ranges of lesser Himalaya. The Dhaula Dhar and the Mahabharata ranges are also prominent ones
u n academy Q 35. Consider the following pairs: Mountain Peaks 1.Kanchenjunga 2.Nanga Parbat 3.Kamet 4.Namcha Barwa Select the correct answer using the code given below? States Sikkim Jammu and Kashmir Uttarakhand Assam A) 1 and 2 only B) 2, 3 and 4 only C) 1 and 4 only D) All of the above
unacademy Answer-D All of the above
u n academy Q37.Consider the following statements: 1.The part of the Himalayas lying between Satluj and Kali rivers is known as Nepal Himalayas. 2.The part of the Himalayas lying between Tista and Dihang rivers is known as Assam Himalayas. Select the correct answer using the code given below? A) 1 only B) 2 only C) Both 1 and 2 D) Neither 1 nor 2
u n academy O38.Consider the following statements: 1.The Ganga marks the eastern most boundary of the Himalayas. 2.The Purvanchal is mostly composed of sedimentary rocks. Select the correct answer using the code given below? A) 1 only B) 2 only C) Both 1 and 2 D) Neither 1 nor 2
u n academy Answer-B) 2 only The Brahmaputra marks the eastern most boundary of the Himalayas Beyond the Dihang gorge, the Himalayas bend sharply to the south and spread along the eastern boundary of India. They are known as Purvanchal or the Eastern hills and mountains. These hill running through the north-eastern states are mostly composed of strong sandstones which are sedimentary rocks. Covered with dense forest, they mostly run as parallel ranges and valleys
u n academy O39.Consider the following statements: 1.Oil is the basis of the petrochemical industry 2.Natural gas is cleaner than the oil and coal. Select the correct answer using the code given below? A) 1 only B) 2 only C) Both 1 and 2 D) Neither 1 nor 2
u n academy Answer-c) Both 1 and 2 Basic raw material is used in petrochemical industry is crude oil. Petrochemicals are chemical products derived from petroleum oil. Some chemical compounds made from petroleum are also obtained from other fossil fuels such as coal or natural gases. Natural gas produces less carbon dioxide per unit energy than coal and oil But it is predominantly composed of methane, a much more potent green house gas than carbon dioxide. If too much methane leaks during production, though, the benefits will be lost.
u n academy 40. Which of the following are disadvantages of use of firewood as fuel? 1.Promoting green house effect 2.Deforestation 3.Soil depletion 4.Pollution in water bodies Select the correct answer using the code given below? A) 1 and 2 only B) 2 and 3 only C) 1, 2 and 3 only D) All of the above
u n academy Answer-C) 1, 2 and 3 only Firewood is widely used for cooking and heating. In our country more than fifty percent of the energy used by villagers comes from fire wood. Firewood produces carbon dioxide and carbon monoxide and other pollutant as well.The use of firewood has major harmful effect on the environment as: 1.Promoting green house effect 2.Deforestation 3.Soil depletion But it does not pollute the water bodies. Water bodies get polluted mainly by inflow of sewage and industrial wastage into them.