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30 questions
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  • Q1

    1. Which of the following statements is/are true about volcanoes?

                I. A volcano is an opening in a planet or moon’s crust through

                   which molten rock, hot gases, and other materials erupt.

               II. Volcanoes often form a hill or mountain as layers of rock and

                    ash build up from repeated eruptions.

              III. Volcanoes are found on both land and the ocean floor.

              IV. Volcanoes form along islands in the Pacific Ocean.

    II and III

    I, II, III and IV

    I and II

    I, II, III

    60s
    S9ES -IIIb-28
  • Q2

    The diagram below shows a volcano. Use the diagram to answer questions 2, 3 and 4. 

    2. What part of the volcano is marked X?

     

    Question Image

    Magma chamber

    Main vent

    Secondary vent

    Crater

    60s
    S9ES -IIIb-28
  • Q3

    3. What type of volcano is shown in the diagram?

    Question Image

    lava plateau

    cinder cone

    shield

    composite

    60s
    S9ES -IIIb-28
  • Q4

    4. What type of eruption or eruptions has this volcano had?

    Question Image

    explosive

    effusive

    Plinian

    both explosive and effusive

    60s
    S9ES -IIIb-28
  • Q5

    5. Which of the following characteristics of a volcano depends on its magma emission?

    age

    size

    shape

    location 

    60s
    S9ES -IIIb-28
  • Q6

    6. Which characteristic of magma mainly determines its explosiveness?

    Color

    Silica content

    Temperature

    Amount of dissolved gases

    60s
    S9ES -IIIb-28
  • Q7

    7. Magma composition helps shape a volcano. What substance determines whether magma is viscous or non-viscous?

    Gas (CO2)                 

    Silica

    Water vapor

    Salt    

    60s
    S9ES -IIIb-28
  • Q8

    8. What provides the force that causes magma to erupt to the surface?

    dissolved gases trapped in the magma

    gravity in the lithosphere

    silica in the magma

    density of the magma

    60s
    S9ES -IIIb-28
  • Q9

    9. Which of the following factors associated with huge volcanic eruptions may cause the decrease in the Earth’s average temperature for a few years?

    light

    volcanic ash

    acid rain

    heat

    60s
    S9ES -IIIb-28
  • Q10

    10. Violent eruptions caused by the introduction of water into superheated magma is called:

    Vulcanian

    Phreatic eruption

    Plinian

    Strombolian

    60s
    S9ES -IIIb-28
  • Q11

    11. The process of producing energy by utilizing heat trapped inside the earth surface is called _________

    Wave energy

    Hydrothermal energy

    Geo-Thermal energy

    Solar energy

    60s
    S9ES –IIIc-d-29
  • Q12

    12. Which of the following do geothermal power plants need to run the turbines that generate electricity?

    deep deposits of steam or water

    energy from the sun

    reservoirs of natural gas

    fossil fuels

    60s
    S9ES –IIIc-d-29
  • Q13

    13. Which of the following is/are benefit/s of using geothermal energy?

    it is a sustainable and renewable energy source

    all of the above

    provides reliable source of energy

    it can be generated without burning fossil fuels

    60s
    S9ES –IIIc-d-29
  • Q14

    14. Climate and weather are different concepts, though they are related. How are the concepts of weather and climate different?

    Weather refers to conditions nearer the ground than climate

    Climate covers larger areas and longer times than weather

    Weather conditions include precipitation, but climate does not

    Climate is related to the amount of sunlight, weather is not

    60s
    S9ES-IIIe-30
  • Q15

    15. Why do latitudes closest to the equator have warmer climates?

    they are at lower elevations

    they are nearer to ocean currents

    they receive more solar energy

    they get more winds that carry energy in the form of heat

    60s
    S9ES-IIIe-30

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