7th Class Science Winds, Storm and Cyclones Question Bank

done Natural Phenomena: Winds, Storm and Cyclones Total Questions - 76

• question_answer1)
  _________ maximum temperature of the day is observed.
  A)
  At noon done clear
  B)
  In the afternoon done clear
  C)
  Either at noon or in the afternoon done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer2)
  __________ causes all the changes in weather?
  A)
  Wind                            done clear
  B)
  Rain done clear
  C)
  Sun             done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer3)
  Air
  A)
  occupies space done clear
  B)
  exerts pressure done clear
  C)
  has mass                      done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer4)
  Wind is
  A)
  air in motion     done clear
  B)
  oxygen in air done clear
  C)
  Both the above            done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer5)
  Increased wind speed is accompanied by
  A)
  increase in pressure done clear
  B)
  decrease in pressure done clear
  C)
  no change in pressure done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer6)
  Air moves from a region of
  A)
  low pressure to high pressure done clear
  B)
  high pressure to low pressure done clear
  C)
  movement of air is independent of pressure done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer7)
  Main cause of movement of air is
  A)
  Uneven heating of the earth done clear
  B)
  Movement of human beings done clear
  C)
  Both the above done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer8)
  Flow of wind from ocean to land is called
  A)
  cyclone                        done clear
  B)
  typhoon done clear
  C)
  monsoon        done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer9)
  What causes cyclones?
  A)
  High speed wind done clear
  B)
  Air pressure difference done clear
  C)
  High speed wind and air pressure difference done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer10)
  __________is used to measure wind speed?
  A)
  Barometer        done clear
  B)
  Manometer done clear
  C)
  Anemometer    done clear
  D)
  Speedometer done clear
  View Solution play_arrow

• question_answer11)
  In India the agency responsible for study of development and movement of cyclones is
  A)
  Indian forest department done clear
  B)
  Indian forensic department done clear
  C)
  Indian meteorological department done clear
  D)
  Indian archeological department done clear
  View Solution play_arrow

• question_answer12)
  The pressure is exerted by air in ________
  A)
  upward direction only done clear
  B)
  downward direction only done clear
  C)
  side ways only done clear
  D)
  All the directions done clear
  View Solution play_arrow

• question_answer13)
  The safest way to protect yourself from lightning is to __________
  A)
  start running in an open field done clear
  B)
  keep yourself covered with an umbrella done clear
  C)
  take shelter under a tree done clear
  D)
  squat low on the ground done clear
  View Solution play_arrow

• question_answer14)
  A thunderstorm is accompanied by
  A)
  lightning                       done clear
  B)
  sound done clear
  C)
  lightning and sound     done clear
  D)
  cyclone done clear
  View Solution play_arrow

• question_answer15)
  Which of the following is correct about destruction caused by cyclones?
  A)
  Severe loss of life and property done clear
  B)
  Reduces fertility of soil done clear
  C)
  Both of the above done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer16)
  During a cyclone air moves from
  A)
  region of high pressure to low pressure done clear
  B)
  region of low pressure to high pressure done clear
  C)
  region of low velocity to high velocity done clear
  D)
  region of high pressure to low velocity done clear
  View Solution play_arrow

• question_answer17)
  On blowing air into balloon, the size of the balloon increases because
  A)
  air exerts pressure done clear
  B)
  warm air rises up done clear
  C)
  air is stronger than balloon done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer18)
  Which of the following is the first sign of an approaching cyclone?
  A)
  Rains accompanied by lighting done clear
  B)
  High temperature and humidity done clear
  C)
  Cool breeze and rains done clear
  D)
  Powerful water waves done clear
  View Solution play_arrow

• question_answer19)
  A tornado is
  A)
  uneven heating between two regions done clear
  B)
  a violent, twisting funnel of wind done clear
  C)
  strong circulatory winds in the tropical region done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer20)
  Pick the odd one out of the following
  A)
  Monsoon     done clear
  B)
  Typhoon done clear
  C)
  Hurricane                    done clear
  D)
  Cyclone done clear
  View Solution play_arrow

• question_answer21)
  Which of the following is correct?
  A)
  Greater the difference in pressure, the faster the air moves done clear
  B)
  Air contracts on cooling as also upon heating done clear
  C)
  Increased wind speed is accompanied an increase in air pressure. done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer22)
  Which of the following help in development of a cyclone?
  A)
  Wind speed                  done clear
  B)
  Wind direction done clear
  C)
  Humidity                     done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer23)
  Typhoon is essentially a
  A)
  cyclone            done clear
  B)
  thunderstorm done clear
  C)
  tornado            done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer24)
  Why does warm air rise up?
  A)
  It is heavier than cold air done clear
  B)
  It is lighter than cold air done clear
  C)
  Warm air occupies less space than cold air done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer25)
  This phenomenon is quite frequent in India and it may form within a cyclone. It is a
  A)
  Cyclone                       done clear
  B)
  hurricane done clear
  C)
  Tornado         done clear
  D)
  typhoon done clear
  View Solution play_arrow

• question_answer26)
  Suppose you are in a car and it is raining heavily with thunderstorms. Then what is the best way to protect yourself from a possible thunder storm fall?
  A)
  Remain in the car done clear
  B)
  Get out of the car and take cover under the car done clear
  C)
  Run to a nearby tree done clear
  D)
  Get out and stand under an electric pole done clear
  View Solution play_arrow

• question_answer27)
  Which of the following plays an important role in the early-warning systems for cyclones?
  A)
  Helicopters     done clear
  B)
  Submarines done clear
  C)
  Satellites      done clear
  D)
  Stars done clear
  View Solution play_arrow

• question_answer28)
  High speed winds are accompanied by
  A)
  increased pressure       done clear
  B)
  reduced pressure done clear
  C)
  water vapour   done clear
  D)
  static electricity done clear
  View Solution play_arrow

• question_answer29)
  DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.  

  Column - I	Column - II
  (A) Anemometer	(p) Caused by high speed wind and air pressure differences.
  (B) Cyclone	(q) Accompanied by low pressure.
  (C) High wind speed	(r) Instrument used to measure wind speed.
  (D) Wind movement	(s) Caused by to uneven heating of earth surface.

  A)
  (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (p), (D) \[\to \] (s) done clear
  B)
  (A) \[\to \] (r), (B) \[\to \] (p), (C) \[\to \] (q), (D) \[\to \] (s) done clear
  C)
  (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (p), (D) \[\to \] (q) done clear
  D)
  (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (p) done clear
  View Solution play_arrow

• question_answer30)
  DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.

  Column - I	Column - II
  (A) Wind carrying water	(p) Thunderstorms
  (B) Dark funnel shaped cloud	(q) Tornado
  (C) Moving air	(r) Monsoon
  (D) Develop in India very frequently	(s) Wind

  A)
  (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (p) done clear
  B)
  (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s) done clear
  C)
  (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (s) done clear
  D)
  (A) \[\to \] (s), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (q) done clear
  View Solution play_arrow

• question_answer31)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage Take a soft plastic bottle and fill it with boiling hot water. Empty the bottle and cap it tightly. Place the water under running water. You will observe that the plastic bottle becomes distorted. Why does the plastic bottle get distorted?
  A)
  Because it is made of soft plastic done clear
  B)
  Because the difference in air pressure inside the bottle and the air pressure outside done clear
  C)
  Both the above done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer32)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage Take a soft plastic bottle and fill it with boiling hot water. Empty the bottle and cap it tightly. Place the water under running water. You will observe that the plastic bottle becomes distorted. What causes the air pressure inside the bottle to decrease?
  A)
  Distillation of steam inside the bottle when water is poured over it. done clear
  B)
  Condensation of steam inside the bottle when water is poured over it done clear
  C)
  Evaporation of steam inside the bottle when water is poured over it done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer33)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage Take a soft plastic bottle and fill it with boiling hot water. Empty the bottle and cap it tightly. Place the water under running water. You will observe that the plastic bottle becomes distorted. Condensation of steam inside the bottle causes:
  A)
  increasing the amount of air inside the bottle done clear
  B)
  decreasing the amount of air inside the bottle done clear
  C)
  increasing the pressure of air inside the bottle done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer34)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these questions using codes given below. Assertion (A): Air expands on heating Reason (R): Air exerts pressure.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer35)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these questions using codes given below. Assertion (A): Warm air is lighter than cold air. Reason (R): Air moves from a region of high pressure to a region of low pressure.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer36)
  DIRECTIONS: Read the following two statements carefully and choose the correct options. Statement 1: Wind currents are generated due to shape of earth. Statement 2: High speed wind is accompanied by reduced pressure.
  A)
  Statement (1) is correct while statement (2) is incorrect. done clear
  B)
  Statement (2) is correct while statement (1) is incorrect. done clear
  C)
  Both statements are correct done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer37)
  DIRECTIONS: Read the following two statements carefully and choose the correct options. Statement 1: Anemometer measures speed of wind. Statement 2: Wind vane measures direction of wind.
  A)
  Statement (1) is correct while statement (2) is incorrect. done clear
  B)
  Statement (2) is correct while statement (1) is incorrect. done clear
  C)
  Both statements are correct done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer38)
  DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: Which of these show the uses of air?      
  A)
   (i) only                        done clear
  B)
   (ii) only done clear
  C)
   (i), (ii) and (iii)            done clear
  D)
   (i) and (ii) only done clear
  View Solution play_arrow

• question_answer39)
  Which of the following information is generally not provided in a weather report?
  A)
  Time of sunrise and sunset done clear
  B)
  Humidity done clear
  C)
  Wind direction done clear
  D)
  Clouds and rainfall done clear
  View Solution play_arrow

• question_answer40)
  What causes differences in air pressure?
  A)
  Population of the area done clear
  B)
  Topography of the region done clear
  C)
  Difference in temperature done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer41)
  Which regions of earth get maximum heat from the sun?
  A)
  Polar regions done clear
  B)
  Regions close to equator done clear
  C)
  Regions between 20-30 degree latitude done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer42)
  What causes air circulation from poles to warmer latitudes?
  A)
  Air at poles is colder as compared to air at latitudes about 60 degrees. done clear
  B)
  Air at poles in hotter as compared to air at latitudes of about 60 degrees. done clear
  C)
  Temperature of air is almost same at poles as at latitudes of 60 degrees. done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer43)
  __________ is used to measure atmospheric pressure?
  A)
  Barometer      done clear
  B)
  Mamometer done clear
  C)
  Pressure cooker           done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer44)
  At which place will you find the atmospheric pressure low?
  A)
  At equator only done clear
  B)
  At \[30{}^\circ \]N and S done clear
  C)
  At the poles done clear
  D)
  At the equator and at \[60{}^\circ \]N and S done clear
  View Solution play_arrow

• question_answer45)
  __________contributes to development of a cyclone.
  A)
  wind speed      done clear
  B)
  temperature done clear
  C)
  humidity          done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer46)
  Typhoon is another name used for cyclone in
  A)
  India                            done clear
  B)
  Philippines done clear
  C)
  Japan                          done clear
  D)
  Both (b) and (c) done clear
  View Solution play_arrow

• question_answer47)
  In U.S.A a cyclone is called a:
  A)
  Typhoon                      done clear
  B)
  Tsunami done clear
  C)
  Hurricane       done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer48)
  Tornadoes are dark funnel shaped clouds that reach from
  A)
  the sky to the ground done clear
  B)
  the ground to the sky done clear
  C)
  any one of (a) or (b) done clear
  D)
  None of these is correct done clear
  View Solution play_arrow

• question_answer49)
  Roofs are blown off when there is a strong wind because
  A)
  air in the room is at a lower pressure. done clear
  B)
  moving air over the roof is at a lower pressure. done clear
  C)
  moving air over the roof is at a higher pressure. done clear
  D)
  moving air over the roof is at a lower pressure than the calm air under the roof. done clear
  View Solution play_arrow

• question_answer50)
  Eye of a hurricane is the region of
  A)
  very high pressure done clear
  B)
  full of vapor done clear
  C)
  depression and a calm area done clear
  D)
  whirling wind done clear
  View Solution play_arrow

• question_answer51)
  The winds from oceans carry water and bring rain are called
  A)
  cyclone           done clear
  B)
  typhoon done clear
  C)
  monsoon         done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer52)
  Low atmospheric pressure exists on the earth in which of the following latitudes?
  A)
  At the equator only      done clear
  B)
  At \[30{}^\circ \]N and S       done clear
  C)
  At the poles done clear
  D)
  At the equator and at \[60{}^\circ \]N and S done clear
  View Solution play_arrow

• question_answer53)
  Select the correct statement.
  A)
  In winter, the winds flow from the land to the ocean. done clear
  B)
  The coastline of India is not vulnerable to cyclones. done clear
  C)
  A cyclone is formed by a very high-pressure area with very high speed winds revolving around it. done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer54)
  High speed winds are accompanied by
  A)
  increased pressure       done clear
  B)
  reduced pressure done clear
  C)
  water vapour   done clear
  D)
  static electricity done clear
  View Solution play_arrow

• question_answer55)
  Wind currents are generated due to
  A)
  shape of earth     done clear
  B)
  sea breeze done clear
  C)
  thunderstorm               done clear
  D)
  cyclone done clear
  View Solution play_arrow

• question_answer56)
  Which of the following will rise the highest?
  A)
  Air at \[10{}^\circ C\]            done clear
  B)
  Air at \[40{}^\circ C\] done clear
  C)
  Air at \[20{}^\circ C\]            done clear
  D)
  Air at\[-\,5{}^\circ C\] done clear
  View Solution play_arrow

• question_answer57)
  Why are cloudy nights warmer than clear nights?
  A)
  The clouds do not allow the heat radiating from the earth to escape done clear
  B)
  Amount of the moisture in the air increases done clear
  C)
  The clouds results in heavy rainfall at night done clear
  D)
  Both (a) & (c) done clear
  View Solution play_arrow

• question_answer58)
  Which of the following is correct?
  A)
  In winter the winds flows from ocean to the land done clear
  B)
  The coastline is vulnerable to cyclones done clear
  C)
  In Philippines cyclone is called a hurricane done clear
  D)
  In U.S.A. a cyclone is called a typhoon. done clear
  View Solution play_arrow

• question_answer59)
  Which of the following is correct?
  A)
  Winds from the oceans carry water and bring rain. It is a part of the water cycle. done clear
  B)
  Radars help to monitor cyclones. done clear
  C)
  Centre of cyclone is a calm area. done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer60)
  Why does the air in regions close to equator get warmer?
  A)
  These regions are situated near the equator done clear
  B)
  These regions get maximum heat of the sun done clear
  C)
  Both the above are correct done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer61)
  Cooler air from 0 to 30 degree latitudes on either side of the equator moves in towards the equator. These winds blow towards the equator from:
  A)
  North to south in northern hemisphere done clear
  B)
  South to north in northern hemisphere. done clear
  C)
  East to west done clear
  D)
  West to east done clear
  View Solution play_arrow

• question_answer62)
  It is known as hurricane in U.S.A. and of typhoon in Japan. In Philippines it is known as
  A)
  Cyclone                       done clear
  B)
  Typhoon done clear
  C)
  Tornado           done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer63)
  How do cyclones decrease the fertility of the soil in the coastal areas?
  A)
  By flooding the land with saline water done clear
  B)
  By dissolving soil and rocks done clear
  C)
  By increasing the water table of the place done clear
  D)
  By decreasing the water table of the place done clear
  View Solution play_arrow

• question_answer64)
  DIRECTIONS: Match Column-I with Column-II and select the correct answer using the code given below the columns.

  Column - I	Column - II
  (A) Wind	(p) Wind transporting water
  (B) Monsoon	(q) Moving air
  (C) Thunderstorms	(r) Dark funnel shaped cloud
  (D) Tornado	(s) Swift movement of falling water droplets along with rising air that creates lightning and sound

  A)
  (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s) done clear
  B)
  (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (s) done clear
  C)
  (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (s), (D) \[\to \] (r) done clear
  D)
  (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (r) done clear
  View Solution play_arrow

• question_answer65)
  DIRECTIONS: Match Column-I with Column-II and select the correct answer using the code given below the columns.

  Column - I	Column - II
  (A) Hurricane	(p) Created due to difference in temperature
  (B) Typhoon	(q) Name of cyclone in U.S.A.
  (C) When filled in bicycle tube, keeps it inflated	(r) Alternative name of cyclone
  (D) Difference in air pressure in nature	(s) Air

  A)
  (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s) done clear
  B)
  (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (s), (D) \[\to \] (p) done clear
  C)
  (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (p), (D) \[\to \] (s) done clear
  D)
  (A) \[\to \] (s), (B) \[\to \] (r), (C) \[\to \] (q), (D) \[\to \] (p) done clear
  View Solution play_arrow

• question_answer66)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage ? 1 Take a boiling tube and stretch a balloon tightly over its neck. Insert the boiling tube in a beaker containing hot water. Wait for 2-3 minutes and observe the changes that take place in shape of the balloon. Now take out the boiling tube and allow it to cool to room temperature. When it has cooled down place it in a beaker containing ice-cold water for 2-3 minutes and observe the changes in shape of the balloon. What change do you expect when the tube containing the stretched balloon was kept in a beaker containing hot water?
  A)
  There will be no change in the shape of the balloon done clear
  B)
  Balloon gets inflated done clear
  C)
  Balloon gets deflated done clear
  D)
  Shape of balloon becomes distorted done clear
  View Solution play_arrow

• question_answer67)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage ? 1 Take a boiling tube and stretch a balloon tightly over its neck. Insert the boiling tube in a beaker containing hot water. Wait for 2-3 minutes and observe the changes that take place in shape of the balloon. Now take out the boiling tube and allow it to cool to room temperature. When it has cooled down place it in a beaker containing ice-cold water for 2-3 minutes and observe the changes in shape of the balloon. What changes do you expect when the tube containing the stretched balloon was kept in ice- cold water?
  A)
  No change is observed done clear
  B)
  It gets inflated done clear
  C)
  It gets deflated done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer68)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage ? 1 Take a boiling tube and stretch a balloon tightly over its neck. Insert the boiling tube in a beaker containing hot water. Wait for 2-3 minutes and observe the changes that take place in shape of the balloon. Now take out the boiling tube and allow it to cool to room temperature. When it has cooled down place it in a beaker containing ice-cold water for 2-3 minutes and observe the changes in shape of the balloon. What happens to the air when the tube with the stretched balloon is kept in hot water?
  A)
  The air expands           done clear
  B)
  The air contracts done clear
  C)
  No change                   done clear
  D)
  None of these done clear
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• question_answer69)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 In nature itself there are situations that can create disasters and pose threat to human, animals and plant life. Two such situations are: (i) Thunderstorms and (ii) Cyclones. What is the tendency of hot air?
  A)
  It tends to rise and causes a drop in pressure of atmosphere done clear
  B)
  It tends to rise and causes an increase in pressure of atmosphere done clear
  C)
  It tends to rise but does not cause any change in pressure of the atmosphere done clear
  D)
  None of these done clear
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• question_answer70)
  DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 In nature itself there are situations that can create disasters and pose threat to human, animals and plant life. Two such situations are: (i) Thunderstorms and (ii) Cyclones.  A large cyclone
  A)
  is a violently rotating mass of air in the atmosphere done clear
  B)
  Has no eye done clear
  C)
  Both the above done clear
  D)
  None of these done clear
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• question_answer71)
  DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The leaves of trees flute when wind is blowing. Reason (R): Air exerts pressure
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
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• question_answer72)
  DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Cyclones may cause severe loss of life and property. Reason (R): In Philippines, cyclones are known as tornadoes.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
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• question_answer73)
  DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Tornadoes may form within cyclones Reason (R): Most tornadoes are weak
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
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• question_answer74)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement 1: An area of a low pressure is most likely to be in the eye of a cyclone. Statement 2: Cyclone can be predicted in advance. Statement 3: A typhoon is essentially a cyclone.
  A)
  Statement (1) and (3) are incorrect while statement (2) is correct. done clear
  B)
  Statement (1) and (2) are incorrect while (3) is correct. done clear
  C)
  All the statements are correct. done clear
  D)
  All the statements are incorrect. done clear
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• question_answer75)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement 1: A thunderstorm becomes a cyclone when a very high pressure is accompanied by low speed winds revolving around it. Statement 2: A gradual rise in air pressure indicates dry weather. Statement 3: The formation of cyclones depends on the temperature and pressure.
  A)
  Statement (1) and (3) are incorrect while statement (2) is correct. done clear
  B)
  Statement (1) and (2) are incorrect while (3) is correct. done clear
  C)
  All the statements are correct. done clear
  D)
  All the statements are incorrect. done clear
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• question_answer76)
  DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: From the given figure we can infer that
  A)
  air expands and rises up on heating done clear
  B)
  air contracts and falls down on heating done clear
  C)
  Both the above done clear
  D)
  None of the above done clear
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