Drainage Systems and Water Resources Quiz

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Questions and Answers

What is the main factor that controls the climate of Ethiopia?

  • Proximity to the Pacific Ocean
  • Global warming
  • Seasonal migration of the Intertropical Convergence Zone (ITCZ) (correct)
  • Topography of the country

Which element does weather refer to?

  • Atmospheric composition only
  • State of the atmosphere over long time periods
  • Instantaneous state of the atmosphere (correct)
  • Temperature and humidity only

What does climate refer to?

  • State of the atmosphere over long time periods (correct)
  • Atmospheric composition only
  • Temperature and precipitation only
  • Instantaneous state of the atmosphere

What is the primary source of variations in elements of weather and climate in Ethiopia?

<p>Proximity to the equator and the Indian Ocean (C)</p> Signup and view all the answers

What does the Intertropical Convergence Zone (ITCZ) influence in Ethiopia?

<p>Rainfall patterns (B)</p> Signup and view all the answers

What are the implications of climate change that students should comprehend?

<p>Potential effects on biophysical and socioeconomic aspects (B)</p> Signup and view all the answers

What determines the variations in weather and climate between places and seasons?

<p>Latitude and elevation (B)</p> Signup and view all the answers

What is the distance of a location from the equator called?

<p>Latitude (A)</p> Signup and view all the answers

What causes differences in the length of days and seasons on Earth?

<p>Inclination of the Earth's axis (D)</p> Signup and view all the answers

When does an equinox occur?

<p>When the sun is exactly above the equator (C)</p> Signup and view all the answers

Which is the day when the point of verticality of sun’s rays crosses the equator northwards?

<p>Spring equinox (D)</p> Signup and view all the answers

What determines the location of the Tropics of Cancer and Capricorn?

<p>The inclination of the Earth's axis (C)</p> Signup and view all the answers

What determines the climate of any particular location on Earth?

<p>Latitude, elevation, nearby water, ocean currents, topography, vegetation, and prevailing winds (A)</p> Signup and view all the answers

What is the instant of time when the sun strikes the plane of the Earth's equator known as?

<p>Equinoxes (B)</p> Signup and view all the answers

What causes differences in length of days and seasons?

<p>Inclination of the Earth's axis (C)</p> Signup and view all the answers

What is the distance from a location to the equator called?

<p>Latitude (B)</p> Signup and view all the answers

What percentage of the earth's total water surface is fresh water?

<p>2.5% (A)</p> Signup and view all the answers

Where is nearly 68.7% of the fresh water deposited?

<p>Glaciers (C)</p> Signup and view all the answers

Which country is often referred to as the water tower of 'Eastern Africa'?

<p>Ethiopia (A)</p> Signup and view all the answers

What is the estimated surface water potential of Ethiopia?

<p>124.4 billion cubic meters (BCM) (C)</p> Signup and view all the answers

Where are the most abundant and easily available fresh waters found?

<p>Surface and ground waters (C)</p> Signup and view all the answers

What percentage of the total land mass of Ethiopia is covered by water bodies?

<p>0.7% (A)</p> Signup and view all the answers

What is a drainage system made up of?

<p>A principal river and its tributaries (D)</p> Signup and view all the answers

Where does a river system begin?

<p>At a place called the source or headwater (C)</p> Signup and view all the answers

What is a drainage basin?

<p>The topographic region from which a river and its tributaries collect water (C)</p> Signup and view all the answers

How are the Western and Southeastern drainage systems separated?

<p>By the Rift Valley system (A)</p> Signup and view all the answers

Which river in Ethiopia drains an area of 199,812 km2?

<p>Abay (B)</p> Signup and view all the answers

Where does the Tekeze river flow into, carrying 12 percent of the annual water flow?

<p>Lake Turkana (C)</p> Signup and view all the answers

What is the total mean annual flow from the Tekeze river?

<p>$82,350 km^2$ (B)</p> Signup and view all the answers

Where does the Tekeze river flow into after reaching Sudan?

<p>Nile (C)</p> Signup and view all the answers

What percentage of the annual water flow does the Abay carry?

<p>65 percent (C)</p> Signup and view all the answers

What mainly determines the general patterns of major river basins in Ethiopia?

<p>Topographical structures (D)</p> Signup and view all the answers

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