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ROCKS AND ROCK CYCLE Geography - ROCKS AND ROCK CYCLE

ICSE - STD 9 - Geography (ICSE - English Medium). 50 questions in this chapter.

Question types

ROCKS AND ROCK CYCLE question types

50 questions across 8 question groups — pick any mix to generate a Geography paper with step-by-step answer keys.

50
Questions
8
Question groups
5
Question types
Sample Questions

ROCKS AND ROCK CYCLE questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 3[2 Mark Question Answer]2 Marks
Critical thinking question:
Tina has been given two samples of igneous rocks. She gets a smooth feeling when touches the sample A and gets a rough feeling when she touches the sample B. How can she understand whether sample A and B are extrusive or intrusive igneous rock?
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Q 4[2 Mark Question Answer]2 Marks
Critical thinking question:
Rina has the hobby of collecting different stones from different areas wherever she travels. Those stones are having different colour and texture. Some are hard and some are soft. What is the reason for such difference?
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Q 21Assertion - Reason based questions.1 Mark
Assertion (A): Metamorphic rocks do not have fossils.
Reason (R): Metamorphic rocks are formed by the change of pre-existing rocks due to high heat and pressure.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true and R is not the correct explanation of A
  • C
    A is true but R is false.
  • D
    A is false but R is true.

Answer: A.

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Q 22Assertion - Reason based questions.1 Mark
Assertion (A): Igneous rocks are called Primary rocks.
Reason (R): Igneous rocks are formed by the so-lidification of hot molten magma.
  • A
    Both A and R are true and R is the correct explanation of A.
  • ✓
    Both A and R are true and R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.

Answer: B.

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Q 23MCQ1 Mark
Which factor is responsible for the formation of metamorphic rocks?
  • A
    Duration of daylight
  • ✓
    Heat & pressure
  • C
    Weathering
  • D
    None of the above

Answer: B.

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Q 24MCQ1 Mark
Which type of rock is chalk?
  • A
    Chemically formed sedimentary rock
  • B
    Carbonaceous Rocks
  • ✓
    Calcareous rocks
  • D
    Clastic rock sedimentary rock

Answer: C.

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Q 25MCQ1 Mark
Which of the following statements is correct?
  • A
    Igneous rocks are generally pervious in nature.
  • ✓
    Sedimentary rocks have pore spaces.
  • C
    Foliation is observed in igneous rocks.
  • D
    Fossils are found in igneous rocks.

Answer: B.

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Q 26MCQ1 Mark
Sedimentary rocks are called stratified rocks as
  • A
    They are formed by the accumulation of lava
  • B
    They are formed by the decomposition of rocks
  • ✓
    They are deposited in layers
  • D
    They are foliated

Answer: C.

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Q 27MCQ1 Mark
Which of the following rocks consists of rounded fragments, formed by cementation process?
  • A
    Sandstone
  • ✓
    Conglomerates
  • C
    Claystone
  • D
    Limestone

Answer: B.

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