Atmosphere MCQ

Test your knowledge with important Atmosphere MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Atmosphere MCQs at Bissoy

• The Sea breeze blows during ________
  ক

  Day from land to sea

  খ

  Day from sea to land

  গ

  Night from land to sea

  ঘ

  Night from sea to land
• Which of the following constituents of the atmosphere are important from the climatic point of view ?<br>1. Nitrogen<br>2. Oxygen<br>3. Carbon dioxide
  ক

  1 and 2

  খ

  2 and 3

  গ

  1, 2 and 3

  ঘ

  Only 3
• What is the name of the layer closest to the Earth?
  ক

  Ionosphere

  খ

  Stratosphere

  গ

  Troposphere

  ঘ

  Exosphere
• Consider the following statements:<br>1. A hurricane acquires its spin from the Coriolis effect.<br>2. The diameter of the hurricane decreases as it moves away from low latitudes.<br>3. The diameter of a hurricane is never below 150 km.<br>Which of the statements given above is/are correct?
  ক

  1 only

  খ

  2 and 3 only

  গ

  1 and 3 only

  ঘ

  1, 2 and 3
• With reference to the sub-tropical high pressure belt, consider the following statements:<br>1. It is affected by Earth's rotation and descent of winds from higher altitudes.<br>2. It is dynamically induced and characterized with anti-cyclonic conditions.<br>Which of the statement(s) given above is/are correct?
  ক

  1 only

  খ

  Both 1 and 2

  গ

  2 only

  ঘ

  Neither 1 nor 2
• The phenomenon of 'trade winds' takes place due to
  ক

  Conduction of heat

  খ

  Convection of heat

  গ

  Radiation

  ঘ

  None of the above
• Winds blow ________
  ক

  In regions of low pressure

  খ

  From a region of high pressure to a region of low pressure

  গ

  From a region of low pressure to a region of high pressure

  ঘ

  In regions of high pressure
• What is a cloudburst?
  ক

  It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes

  খ

  It refers to 50mm rain over a period of time

  গ

  It is caused by rapid condensation of very high clouds

  ঘ

  It refers to a thunderstorm with little rain
• What causes snowfall?
  ক

  When condensation takes place below 0° C and precipitation occurs in the form of flakes

  খ

  When rain freezes into snow-flakes while passing through the atmosphere

  গ

  When condensation takes place in form of fog and precipitation occurs as flakes

  ঘ

  When the air temperature is much lower than surface temperature
• Which is the lowest layer of Atmosphere?
  ক

  Troposphere

  খ

  Stratosphere

  গ

  Mesosphere

  ঘ

  Exosphere
• Freely moving bodies are ________
  ক

  Deflected to their right in the northern hemisphere

  খ

  Deflected to the right in the southern hemisphere

  গ

  Deflected upwards at the equator

  ঘ

  Unaffected by the earth's movements
• The zone of Earth's atmosphere immediately above its surface up to a height of about 16kms above equator and 8kms over the poles is known as
  ক

  Mesosphere

  খ

  Thermosphere

  গ

  Troposphere

  ঘ

  Stratosphere
• Consider the following statements:<br>1. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean.<br>2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere.<br>Which of the statements given above is/are correct?
  ক

  1 only

  খ

  2 only

  গ

  Both 1and 2

  ঘ

  Neither 1 nor 2
• Consider the following statements:<br>1. Mistral is a cold wind blowing in North America.<br>2. Sirocco is a hot dry wind blowing across the North African coast.<br>Which of the statement(s) given above is/are correct?
  ক

  1 only

  খ

  2 only

  গ

  Both 1 and 2

  ঘ

  Neither 1 nor 2
• Consider the following statements:<br>1. Nearly 99% of the total mass of the atmosphere lies within 30 km of the Earth's surface.<br>2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth's surface.<br>Which of the statements given above is/are correct?
  ক

  1 only

  খ

  2 only

  গ

  Both 1 and 2

  ঘ

  Neither 1 nor 2
• Which of the following depletion results in the increase in the UV radiation on the Earth?
  ক

  Carbon monoxide

  খ

  Carbon dioxide

  গ

  Ozone

  ঘ

  Oxygen
• Beaufort Scale is used to measure ________
  ক

  Air pressure

  খ

  Wind velocity

  গ

  Wind direction

  ঘ

  Humidity
• Which of the following is located at the minimum height from the Earth?
  ক

  Stratosphere

  খ

  Mesosphere

  গ

  Thermosphere

  ঘ

  Troposphere
• Cloud burst means ________
  ক

  Abnormally heavy downpour of rain, associated with a thunderstorm

  খ

  Formation of artificial rain

  গ

  Presence of scattered flakes of cloud in the sky

  ঘ

  Sowing of seeds of a crop in a cloudy weather
• Which of the following statements about Stratosphere is incorrect?
  ক

  It is the region in the atmosphere above tropopause

  খ

  It contains ozone layer which prevents ultraviolet radiations of sun from reaching to the earth

  গ

  It is not free from the violent weather changes occurring on the earth

  ঘ

  It provides ideal flying conditions
• Relative humidity of the atmosphere is directly affected by ________
  ক

  Change in atmospheric pressure

  খ

  Change in atmospheric temperature

  গ

  Change in the direction of winds

  ঘ

  None of these
• Which gas is found in maximum quantity in lower atmosphere?
  ক

  Hydrogen

  খ

  Carbon dioxide

  গ

  Oxygen

  ঘ

  Nitrogen
• Which of the following is not one of the three processes involved in the transfer of water between the atmosphere and the surface of the Earth?
  ক

  Insolation

  খ

  Evaporation

  গ

  Condensation

  ঘ

  Precipitation
• What helps to maintain the heat budget on the surface of the earth?
  ক

  Incoming insolation in short waves and terrestrial radiation in long waves

  খ

  The atmosphere absorbs heat

  গ

  Incoming solar radiation is reflected

  ঘ

  The earth absorbs heat
• The final boundary between the Earth and the outer space is called
  ক

  Magnetosphere

  খ

  Ionosphere

  গ

  Mesopause

  ঘ

  Magnetopause
• A temperature inversion is most likely to occur under which of the following conditions?
  ক

  Mountain top in late evening

  খ

  Windy but cloudy night

  গ

  Calm, cloudy and humid night

  ঘ

  Calm, clear and cool winter night
• Lapse rate is related to the decrease of ________
  ক

  Wind velocity with an ascent of 300 feet

  খ

  Humidity with an ascent of 450 feet

  গ

  Temperature at 1°F for an ascent of 330 feet

  ঘ

  Pressure with an ascent of 500 feet
• Winds and air currents differ in the aspect that ________
  ক

  Air currents blow much faster than winds

  খ

  Air currents are always moisture laden while the winds are usually dry

  গ

  The winds blow on lands while air currents blow over seas and oceans

  ঘ

  Winds are horizontal movements of air while air currents are the vertical movements of air
• In the atmosphere of the primitive earth there was no ________
  ক

  Oxygen

  খ

  Carbon dioxide

  গ

  Nitrogen

  ঘ

  Ammonia
• Which one of the following characteristics is not associated with the tropical cyclones?
  ক

  Before the cyclone arrives the air becomes very still and temperature and humidity are high

  খ

  As the front of the vertex arrives, gusty winds develop and thick clouds appear

  গ

  As the cold front passes, the weather changes very rapidly

  ঘ

  Calm conditions return when the eye of the cyclone arrives