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UPSC CDS Minerals & Industries — practice questions — page 6

Explore 235 free Minerals & Industries questions in UPSC CDS Geography. Open each question or exercise to read its content, reference answers and available explanation.

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Minerals & Industries questions and exercises with answers

Showing questions 151–180 of 235.

The colour of a mineral's ground powder is its:Read the answer and worked solution →Fluorite is purple or green but gives a streak of which colour?Read the answer and worked solution →On the hardness scale of 1 to 10, which mineral is number 1?Read the answer and worked solution →Which mineral stands at 10, the top of the hardness scale?Read the answer and worked solution →A fingernail has a hardness of about:Read the answer and worked solution →Gold, silver and platinum are classed as:Read the answer and worked solution →Copper, lead, zinc, tin and aluminium are classed as:Read the answer and worked solution →Cement is a mixture of which kind of minerals?Read the answer and worked solution →The two most common minerals found in rocks are:Read the answer and worked solution →The science of rocks is called:Read the answer and worked solution →Igneous rocks, solidified from magma and lava, are also known as:Read the answer and worked solution →The word sedimentary comes from the Latin sedimentum, meaning:Read the answer and worked solution →The compaction of deposits into rock is called:Read the answer and worked solution →Chalk, coal and some limestone are sedimentary rocks formed:Read the answer and worked solution →Metamorphism by breaking and crushing without chemical change is called:Read the answer and worked solution →The layered arrangement of minerals in metamorphic rocks is called:Read the answer and worked solution →Slate, schist and marble are examples of which rock family?Read the answer and worked solution →Catch the igneous rocksRead the answer and worked solution →Pop the sedimentary rocksRead the answer and worked solution →Run the hardness scaleRead the answer and worked solution →Slice the metamorphic rocksRead the answer and worked solution →Metallic or non-metallicRead the answer and worked solution →Sort the rock familiesRead the answer and worked solution →Type the numberRead the answer and worked solution →Minerals and rocks bingoRead the answer and worked solution →Over the last two decades, manufacturing's share of India's GDP has stagnated at about:Read the answer and worked solution →Industries clustering in cities to share markets and services enjoy what are called:Read the answer and worked solution →Iron and steel, cement and aluminium are classed by raw material as:Read the answer and worked solution →Industries like iron and steel that supply raw materials for other goods are called:Read the answer and worked solution →The maximum investment allowed for a small scale industry at present is:Read the answer and worked solution →

Worked practice questions

The colour of a mineral's ground powder is its:

  1. Lustre
  2. Cleavage
  3. Fracture
  4. Streak
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Correct answer: D. Streak

1. It may differ from the mineral's colour. 2. The powder colour is the streak. 3. Malachite gives a green streak. _Source: syllabus Fundamentals of Physical Geography, Chapter 5, Minerals and Rocks._

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Fluorite is purple or green but gives a streak of which colour?

  1. White
  2. Green
  3. Purple
  4. Black
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Correct answer: A. White

1. Streak can differ from body colour. 2. Fluorite's streak is white. 3. Malachite's streak matches its green. _Source: syllabus Fundamentals of Physical Geography, Chapter 5, Minerals and Rocks._

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On the hardness scale of 1 to 10, which mineral is number 1?

  1. Jade
  2. Talc
  3. Mica
  4. Opal
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Correct answer: B. Talc

1. Ten minerals mark the scale. 2. Talc is the softest at 1. 3. Gypsum is 2 and calcite 3. _Source: syllabus Fundamentals of Physical Geography, Chapter 5, Minerals and Rocks._

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