Everyday Science Past Papers MCQs – Everyday Science MCQs
ATMOSPHERE MCQs
With altitude air pressure ?
- increase
- Decrease
- Not change
- None
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Winds generally blow from areas of:
- Low pressure to that of moderate pressure
- High pressure to that of moderate pressure
- High pressure to that of low pressure
- Low pressure to that of high pressure
- None
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In a very low temperature which from the following will freeze at last?
- River water
- Canal water
- Sea water
- Water in a lake
- None of these
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To an astronaut in the spacecraft, the sky appears to be.
- White
- Red
- Blue
- Dark
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Humidity of the air
- Decrease with the increase in atmospheric temperature
- Increase with the increase in atmospheric temperature
- does not show any consistent behavior with the change in atmospheric temperature
- None of these
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What are the grasslands of South America called?
- Prairies
- Pampas
- Savanna
- Steppes
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Earthquakes are caused due to
- Landslides
- Cyclons
- Movement of a part of the earth’s surface on account of the faulting of rocks
- volcanic eruption
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Different seasons are formed because
- Of rotation of the earth around its axis
- Sun is moving around the earth
- Of revolution of the earth around the sun and on its orbit
- All of these
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When a ship enters a sea from a river, its portion under water will,
- Decrease
- show no change
- Increase
- increase and decrease alternately
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Forests help in
- Depleting the soil of its moisture
- soil erosion
- soil protection
- All of these
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About 50% of Earth crust, including the water on Earth and atmosphere is
- Oxygen
- Salts
- Plasma
- None
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Ozone layer protect us from
- Heat
- Cold
- UV rays
- None
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What are soft drinks made with chilled water rather than water at room temperature?
- Ingredients dissolve better in chilled water
- Chilled water attracts more carbon dioxide
- chilled water enhances the taste
- chilled water is more hygienic
- none of these
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Age of the tree can be determined by:
- By thickness of the bark
- By bulk of the tree
- By counting the number of rings on its stem
- by numbers of leaves
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The density of sea water is highest as
- Depth decrease and salinity increase
- Depth increase and salinity increase
- Depth increase and salinity decrease
- None of these
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Less dew is formed on cloudy nights because of
- in cloudy nights the radiation takes place very slowly
- In cloudy nights the radiation takes place very quickly
- clouds scatter moisture
- clouds absorbs the falling dew
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It is difficult to cook on mountains because of
- Low atmospheric pressure
- High atmospheric pressure
- Lack of Oxygen
- None
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The humidity in air tells us about the ratio of ____in the air
- Oxygen
- Water vapors
- Nitrogen
- None of these
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Light travels ____ sound:
- Slower than
- Faster than
- Equal to
- None
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Huge cloud of gass and dust in the universe is called?
- Nebula
- Meteorite
- Satellite
- Constellation
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In the atmosphere, if the temperature is low then the pressure is ____?
- Low
- High
- Normal
- All of these
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Acid rain is mainly caused by emissions of:
- Sulfur dioxide and potassium niterate
- Sulfur dioxide and Nitrogen oxide in atmosphere
- Both
- None
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Fluid changes the volume under external pressure due to
- Plasticity
- Viscosity
- Compressibility
- None of the above
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The coldest region in automosphere is :
- Mesosphere
- Stratosphere
- Troposphere
- None
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Humidity in the air was measured by
- Barometer
- Hygrometer
- Both
- None
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The maximum spacing of expansion joint in RCC roof slabs covered by insulting layer is
- 10 to 12 m
- 15 to 18 m
- 20 to 30 m
- 30 to 35 m
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Sounds usually associated with letters such as f, s, v, z, in which the air passes through a narrow contraction that causes the air to flow turbulently and thus create a noisy sound are called:
- Plosives
- Fricatives
- Articulations
- Allophonic
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Beta rays are:
- Rays that cause head ailments
- Fast – moving electrons
- Rays that make photography possible
- Rays that cause bodily diseases in most seasons
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Beta rays are:
- Rays that cause head ailments
- Fast – moving electrons
- Rays that make photography possible
- Rays that cause bodily diseases in most seasons
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Water loss from leaves through stomata is called as:
- Evapo-transpiration
- Respiration
- Evaporation
- Transpiration
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Atmosphere of the earth is made up of different spheres. in which part of atmosphere commercial air craft usually fly:
- Thermosphere
- Stratosphere
- Troposphere
- Mesosphere
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Maximum portion of atmosphere on Earth is :
- Oxygen
- Carbon
- Hydrogen
- Nitrogen
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Renewable energy can be generated from:
- Diesel
- Petrol
- Wind
- All
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Rain fall is measured using a:
- Salinometer
- Rainoscope
- Rain gauge
- Rainometer
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Climate of area is calculated by?
- temperature
- Water
- Both
- None
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Green color of plants leaves is due to ۔
- Sun
- Water
- Chlorophyll
- All
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Barometer used to measure ?
- Atmospheric pressure
- Humidity of air
- Both
- None
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Which gas present in the Earth’s atmosphere can absorb solar ultraviolent radiation?
- Oxygen
- Ozone
- Carbon Dioxide
- Nitrogen
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Ozone depletion occurs commonly due to____?
- Chlorofluorocarbons
- Carbon dioxide
- UV rays
- Deforestation
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Air pollution effects :
- Depletion of earth
- Depletion of Ozone Layer
- All
- None
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Green color of plants leaves is due to :
- Sun
- Water
- Chlorophyll
- All
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What is called the amount of moisture in the air?
- Wind
- Air
- Water
- Humidity
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Distance covered in a given time is known as:
- Force
- Speed
- Momentum
- None
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Which layer near the surface of earth is called?
- Thermosphere
- Troposphere
- Mesosphere
- None
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What is the name of layer which protect the earth from the sun?
- Plak
- Ozone
- Debora
- Trizon
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Three main kinds of pollution are:
- Air,oil and land
- Air, water and industrial
- Air, water and land
- Water and land
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The radiant energy of the sun is transmitted in the form of ________
- Short waves
- Long waves
- Particles
- None of these
- All of theese
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Which of the following is a way to reduce the Traffic noise on the highway?
- Increase the speed of the vehicles
- Horning in unnecessary time
- Using old engine vehicles
- Using new engine vehicles
- Constructing the vertical barriers
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In developed countries, the two most deadly sources of indoor pollution are _____?
- radon and cigarette smoke
- pesticides and cleaning agents
- radiation from electronic equipment and pesticides
- pesticides and cigarette smoke
- All of these
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