GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VI (NEW) EXAMINATION - WINTER 2018
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Subject Code: 2162201 Date: 07/12/2018
Subject Name: Ecology Geology-I
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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MARKS
Q.1
(a) Briefly narrate the importance of minerals in national economy. [03]
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(b) Discuss how the rock forming minerals are different from economic minerals. [04]
(c) Describe the mineral resources of India. [07]
Q.2
(a) Briefly explain types of hydrothermal deposits. [03]
(b) Differentiate between the metallic and non-metallic minerals. [04]
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(c) Giving examples, define the terms: (i) Mineral (ii) Rock (iii) Ore (iv) Tenor. [07]
OR
(c) Describe important mineral forming processes in igneous rocks. [07]
Q.3
(a) Give the difference between intrusive and extrusive rocks. [03]
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(b) Explain the stages and deposition of metasomatic replacement. [04]
(c) Describe the Indian Pegmatite Belts and their significance in Indian economy. [07]
OR
Q.3
(a) What are xenothermal deposits? [03]
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(b) Write about crustification and comb structures. [04]
(c) Discuss how metamorphism is associated with ore formation. [07]
Q.4
(a) Explain why Gujarat coast has many cement factories. [03]
(b) Describe the various uses of Gypsum deposits. [04]
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(c) Write the mineralogy, geographic distribution, geological distribution and uses of Copper deposits. [07]
OR
Q.4
(a) Write the details of minerals used as Abrasives. [03]
(b) Describe different types of cements. [04]
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(c) Give the mineralogy, origin, Indian occurrences and uses of Coal. [07]
Q.5
(a) Name important nuclear minerals occurring in India with their geographic distribution. [03]
(b) Describe important precious and semi-precious stones. [04]
(c) Narrate the mineralogy, origin, Indian occurrences and uses of Tungsten. [07]
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OR
Q.5
(a) Give the Indian occurrences and uses of important Nobel metals. [03]
(b) Write about the rocks and minerals needed for fertilizer industry. [04]
(c) Give the mineral composition, mode of occurrence and uses of important minerals used in ceramic industry. [07]
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This download link is referred from the post: GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
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