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Physical Science:

Dr. Sunil Karna

Section 10.4 Examples

Example 10.4.1.

Which of the following gases are abundant in atmosphere?
  1. Oxygen.
  2. Hydrogen.
  3. Nitrogen.
  4. Carbon dioxide.
Solution.
c.

Example 10.4.2.

The formation of clouds, rains, storms are found in
  1. Tropospher.
  2. Stratosphere.
  3. Ozonosphere.
  4. Exosphere.
Solution.
a.

Example 10.4.3.

What causes the temperature to increase with altitude in stratosphere?
  1. Water vapor.
  2. Ozone.
  3. Pollutants.
  4. Nitogen.
Solution.
b.

Example 10.4.4.

The role of ozone in stratosphere to
  1. block ultraviolet radiation.
  2. reflects radio waves.
  3. reflects ultraviolet radiation.
  4. give blue color of the sky.
Solution.
a.

Example 10.4.5.

The relative humidity of saturated air is
  1. zero.
  2. 100%.
  3. 50%.
  4. 1%.
Solution.
b.

Example 10.4.6.

Air holds more water vapor when it is at
  1. low temperature.
  2. high temperature.
  3. high relative humidity.
  4. All of the above.
Solution.
b.

Example 10.4.7.

The temperature at which water vapor condenses is the
  1. freezing point.
  2. melting point.
  3. relative humidity.
  4. dew point.
Solution.
d.

Example 10.4.8.

Greenhouse effect can be described as
  1. certain gases in the atmosphere that trap heat and warm the earth.
  2. life on earth exhales gas that warms up the atmosphere.
  3. the sun is putting out more radiant energy over time.
  4. the tiltation causes the earth to receive more heat time to time.
Solution.
a.

Example 10.4.9.

Clouds form when changes into tiny water droplets or ice crystals.
Solution.
water vapor.

Example 10.4.10.

When air moves upward to an area of less pressure it forms
Solution.
clouds.

Example 10.4.11.

What causes wind to blow?
  1. The rotation of the earth.
  2. Differences in air temperature and pressure.
  3. Differences in longitude.
  4. Shock waves from clouds.
Solution.
b.

Example 10.4.12.

What causes the Coriolis effect?
  1. The rotation of the earth.
  2. The revolution of the earth around the Sun.
  3. The Sun’s radiation.
  4. The fact that the Earth is an oblate ellipsoid.
Solution.
a.

Example 10.4.13.

What is the definition of weathering?
  1. The process of breaking down rocks and minerals.
  2. The process of forming new rocks and minerals.
  3. The process of moving rocks and minerals from one place to another.
  4. The process of melting rocks and minerals.
Answer.
a.

Example 10.4.14.

Which of the following is an example of physical weathering?
  1. Dissolution of limestone by acid rain.
  2. Formation of caves by groundwater erosion.
  3. Freeze-thaw cycles in a mountain range.
  4. Chemical reactions between minerals in a rock.
Answer.
c.

Example 10.4.15.

Which of the following is an example of chemical weathering?
  1. Abrasion of rocks by wind and water.
  2. Plant roots breaking apart rocks.
  3. Oxidation of iron in a rock.
  4. Water freezing in the cracks of a rock.
Answer.
c.

Example 10.4.16.

Which type of weathering occurs due to the action of living organisms?
  1. Physical weathering.
  2. Chemical weathering.
  3. Biological weathering.
  4. Abrasive weathering.
Answer.
c.

Example 10.4.17.

Which of the following factors affects the rate of weathering?
  1. Climate and temperature.
  2. Type of rock and mineral composition.
  3. Exposure to wind and water.
  4. All of the above.
Answer.
d.

Example 10.4.18.

What is the most common type of cave?
  1. Sea cave.
  2. Lava tube.
  3. Solution cave.
  4. Erosion cave.
Answer.
c.

Example 10.4.19.

Which of the following is a common process that contributes to the formation of solution caves?
  1. Frost wedging.
  2. Root wedging.
  3. Acid dissolution.
  4. Abrasion by wind and water.
Answer.
c.

Example 10.4.20.

Which of the following is an example of water erosion?
  1. Wind-blown sand blasting against rock.
  2. Glaciers scraping across the landscape.
  3. Rainwater washing away soil on a hillside.
  4. Plant roots cracking apart a boulder.
Answer.
c.

Example 10.4.21.

Which of the following is an example of wind erosion?
  1. A river carving a canyon over time.
  2. Sand dunes moving across a desert landscape.
  3. Waves crashing against a cliff.
  4. Gravity causing rocks to tumble down a slope.
Answer.
b.

Example 10.4.22.

What is groundwater?
  1. Water that flows over the surface of the Earth.
  2. Water that is stored in the atmosphere.
  3. Water that is stored underground in porous rock formations.
  4. Water that is frozen in glaciers.
Answer.
c.

Example 10.4.23.

What is an aquifer?
  1. A type of fish found in the ocean.
  2. A body of water that is completely surrounded by land.
  3. A layer of rock or sediment that can store and transmit groundwater.
  4. A type of cloud that forms at high altitudes.
Answer.
c.

Example 10.4.24.

Which of the following is NOT an example of how groundwater can be used?
  1. Drinking water.
  2. Irrigation for crops.
  3. Hydroelectric power generation.
  4. Launching rockets into space.
Answer.
d.

Example 10.4.25.

What is the water table?
  1. A table that displays the amount of water in a given area.
  2. The upper limit of the saturated zone, where the groundwater meets the air in the pores and cracks of rock or soil.
  3. A table used to plan and manage groundwater usage.
  4. A table that shows the location of all wells in a given area.
Answer.
b.
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