NPTEL Conservation Geography Week 3 Assignment Answers 2024
1. “waxy” is an example of
- cleavage
- structure
- lusture
- streak
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2. “ease of passage of light through mineral” is known as
- transparency
- fracture
- structure
- streak
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3. “unassorted coarse and fine debris left by melting glaciers, often with angular to sub-angular rock fragments” is the definition of
- glacial tilt
- outwash deposit
- esker
- drumlin
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4. “green or black-coloured inosilicates forming 10% of the Earth’s crust” is a description of
- amphiboles
- quartz
- feldspar
- pyroxene
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5. “the ridge edge where two cirques meet” is the definition of
- glacier
- arete
- horn
- hanging valley
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6. mechanical action of ocean waves is an example of
- chemical weathering
- physical weathering
- biological weathering
- none of the above
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7. sudden cooling of magma results in
- smooth grained sedimentary rocks
- coarse grained sedimentary rocks
- smooth grained igneous rocks
- coarse grained igneous rocks
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8. gypsum is an example of
- siliciclastic rock
- carbonate rock
- evaporite rock
- phosphatic rock
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9. thermal stresses lead to
- chemical weathering
- physical weathering
- biological weathering
- none of the above
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10. which of these are correctly arranged as per Moh’s scale from softest to hardest?
- talc, apatite, fluorite, diamond
- talc, calcite, feldspar, diamond
- talc, fluorite, apatite, diamond
- diamond, feldspar, calcite, talc
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