UGC NET SET - Paper 1

Natural Disasters and their mitigation

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Natural Disasters and their mitigation ➲ Natural Disasters and their mitigation - Quiz

Q 1: Which of the following is not an example of natural disaster?

  • A Tsunami
  • B Heat waves
  • C Nuclear accident
  • D Epidemic

Q 2: Which of the following is true with regard to tsunami?

  • A It is a tidal wave.
  • B It is caused by earthquake beneath the sea.
  • C It moves very fast in the ocean water.
  • D It is caused by the gravitational pull of the sun.

Q 3: What best describes an earthquake?

  • A Sudden movement along the surface of earth.
  • B Collision of tectonic plates.
  • C Any natural phenomenon causing destruction.
  • D None of the above

Q 4: What is the immediate energy source for earthquakes?

  • A Stored elastic energy in bent rock.
  • B Stored elastic energy in compressed rock.
  • C Stored heat energy from the earth’s interior.
  • D Stored heat energy from the sun.

Q 5: What does tsunami mean?

  • A Series of waves
  • B Any movement following earth quake
  • C Harbour wave
  • D None of the above

Q 6: Which country is known for its frequent earthquakes?

  • A China
  • B Philippines
  • C South Korea
  • D Japan

Q 7: What is a flood?

  • A The building up of large quantities of water.
  • B Any obstruction in the water flow.
  • C Rise in groundwater level.
  • D None of the above

Q 8: Which place on earth is known as ‘Ring of Fire’ as it has the earth’s most active volcanoes?

  • A Europe
  • B Pacific Ocean
  • C South America
  • D None of these

Q 9: What is the correct description for volcanic eruption?

  • A Vertical explosion of gas and ash.
  • B Explosion or emission of lava, ashes and toxic gases.
  • C Both (a) and (b)
  • D None of the above

Q 10: The most significant volcanic eruptions have been felt in the form of

  • A Change in weather
  • B Sinking of islands
  • C Loss of vegetation
  • D Extinction of animals

Q 11: What is the approximate percentage of earthquakes occurring at plate boundaries?

  • A 25%
  • B 50%
  • C 75%
  • D 90%

Q 12: How many seismograph stations are needed to locate the epicentre of an earthquake?

  • A 1
  • B 2
  • C 3
  • D 4

Q 13: Which of the following sequences correctly lists the different arrivals from first to last?

  • A P waves ... S waves ... Surface waves
  • B Surface waves ... P waves .... S waves
  • C P waves ... Surface waves ... S waves
  • D No fixed pattern

Q 14: The point where the movement that triggers an earthquake is

  • A Dip
  • B Epicentre
  • C Focus
  • D strike

Q 15: The amount of ground displacement in an earthquake is called the

  • A Epicentre
  • B Dip
  • C Slip
  • D Focus

Q 16: Which of the following describes the build-up and release of stress during an earthquake?

  • A Modified Mercalli scale
  • B Elastic rebound theory
  • C The travel time difference
  • D None of the above

Q 17: Sea level arises primarily as a result of

  • A Heavy rainfall
  • B Melting of glaciers
  • C Submarine volcanism
  • D Sea floor spreading

Q 18: Comparative environment impact assessment study is to be conducted for

  • A The whole year
  • B Three seasons excluding monsoons
  • C Any three seasons
  • D The worst season

Q 19: Which of the following natural hazards has a big effect on the Indian people each year?

  • A Cyclones
  • B Floods
  • C Earthquakes
  • D Landslides

Q 20: Tsunami occurs due to

  • A Mild earthquakes and landslides in the oceans.
  • B Strong earthquakes and landslides in the oceans.
  • C Strong earthquakes and landslides in the mountains.
  • D Strong earthquakes and landslides in the deserts.

Q 21: Body waves consist of

  • A P waves only
  • B S waves only
  • C P and S waves
  • D Surface waves

Q 22: In general, the most destructive earthquake waves are the

  • A P waves
  • B S waves
  • C Surface waves
  • D Q waves

Q 23: Which of the following is not associated with earthquakes?

  • A Focus
  • B Epicentre
  • C Seismograph
  • D Swells

Q 24: Indian coastal areas experienced tsunami in the year

  • A 2005
  • B 2004
  • C 2006
  • D 2007

Q 25: What is the main cause for the occurrence of tsunamis?

  • A Because of ocean floor movement, induced by an earthquake and producing gigantic waves.
  • B As a result of hurricane.
  • C Volcanic eruption in the sea.
  • D None of the above

Q 26: The earthquake waves that have transverse movements are known as

  • A Primary waves
  • B Secondary waves
  • C Surface waves
  • D None of the above

Q 27: Which of the following natural disaster can occur as a result of the earth’s internal heat?

  • A Hurricanes
  • B Floods
  • C Earthquakes
  • D Tornadoes

Q 28: Which of the following region is in the way of high risk zone of earthquakes?

  • A Central Indian Highland
  • B Coastal region
  • C Himalayan region
  • D Indian desert

Q 29: The most recurring natural hazard in India is

  • A Earthquakes
  • B Floods
  • C Landslides
  • D Volcanoes

Q 30: What are the three main components of the water cycle?

  • A Evaporation, sublimation, solidification
  • B Evaporation, condensation, precipitation
  • C Rain, snow, sleet
  • D Liquid, solid, gas

Q 31: The Richter scale measures

  • A The number of deaths.
  • B The size of its epicentre.
  • C The energy released by an earthquake.
  • D The body waves count.

Q 32: Which of the following is a method to prevent flood?

  • A Levees
  • B Winding streams
  • C Efficient sewage systems
  • D All the above

Q 33: A flash flood differs from a normal flood

  • A By sudden increase in the level of water.
  • B As it is likely to cause much more damage.
  • C Both (a) and (b)
  • D None of the above

Q 34: The point at which a fault first ruptures in the earth during earthquake is called

  • A Hypocentre
  • B Epicentre
  • C Mouth
  • D None of the above

Q 35: The majority of earth’s water is in the form of

  • A Oceans
  • B Atmosphere
  • C Fresh water lakes and glaciers
  • D Rivers

Q 36: What is the correct order where you would find stream deposits starting at the headwaters and going towards the mouth across the course of the river?

  • A Gravel, sand, silt
  • B Sand, silt, gravel
  • C Silt, sand, grave
  • D None of the above

Q 37: The term used in context of landslides and basically the downslope movement of materials under the influence of gravity is

  • A Mass wasting
  • B Mass tracking
  • C Mass transfer
  • D None of the above

Q 38: Which of the following can serve as a reliable safety hedge against coastal calamities?

  • A Coral reefs
  • B Mangroves
  • C Both (a) and (b)
  • D None of the above

Q 39: For which of the following phenomenon, solar energy is primarily responsible?

  • A Precipitation
  • B Wind
  • C Erosion of earth materials
  • D All the above

Q 40: What should you do to prepare for a hurricane?

  • A Prepare for a safety route.
  • B Arrange for emergency food and water.
  • C Both (a) and (b)
  • D None of the above

Q 41: The main cause(s) that tsunami waves lose some of its energy as they get closer to the shore is

  • A There is lesser depth/room for the tsunami.
  • B Buildings on the beach.
  • C Friction and turbulence from the beach.
  • D None of the above

Q 42: The main effect of volcanic eruptions is

  • A Flying of ash contents
  • B Mud slides
  • C Low temperatures on earth’s surface
  • D All of the above

Q 43: The loss of an entire animal species is referred to as

  • A Distinction
  • B Annihilation
  • C Genocide
  • D Extinction

Q 44: Which of the following is true about ozone layer?

  • A It absorbs most of the UV-B radiation.
  • B It screens out the UV-C radiation.
  • C Its depletion leads to cancer.
  • D All the above

Q 45: Which of the following is the main cause of global warming?

  • A Burning of fossil fuel
  • B Changes in carbon cycle
  • C Climate change
  • D None of the above

Q 46: Which one of the following gases is not a greenhouse gas?

  • A Methane
  • B Hydrogen
  • C Carbon dioxide
  • D Sulphur hexafluoride

Q 47: Volcanic eruptions can affect climate because

  • A They heat the atmosphere.
  • B Volcanic dust and gas in the upper atmosphere reflects and absorbs solar radiation.
  • C Volcanoes have no effect on the earth’s climate.
  • D None of the above

Q 48: Which of the following is an effective protection against cyclones and tsunamis?

  • A Shrimp farms
  • B Building walls
  • C Mangrove forests
  • D None of the above

Q 49: The main aim of Kyoto Protocol is to

  • A Require concessions from all countries involved equally in greenhouse gas emission.
  • B Required increase in nuclear power generation.
  • C Would have resulted in overall increases in greenhouse emissions.
  • D Reduce emissions of six greenhouse gases to levels lower than those of 1990.

Q 50: Which of the following gas is released when rice is grown in the wet fields?

  • A Methane
  • B Nitrous oxides
  • C Ozone
  • D Carbon dioxide

Q 51: El Niño and La Niña are responsible for producing

  • A (a) Changes of opposite direction in global temperature.
  • B Precipitation patterns
  • C Both (a) and (b)
  • D None of the above

Q 52: The greenhouse effect involves warming of the earth’s surface and the

  • A Troposphere
  • B Mesosphere
  • C Stratosphere
  • D Thermosphere

Q 53: Tidal energy is also a potential renewable energy resource. Which of the following is the main cause for the formation of tidal waves?

  • A Gravitational pull of moon
  • B Gravitational pull of sun
  • C Gravitational pull of sun and moon
  • D None of the above