McqMate
Chapters
| 101. |
A sudden fall in the barometric reading indicates: |
| A. | rain |
| B. | storm |
| C. | fine weather |
| D. | extreme cold |
| Answer» B. storm | |
| 102. |
Relative humidity of the atmosphere is directly affected by : |
| A. | change in atmospheric pressure |
| B. | change in atmospheric temperature |
| C. | change in the direction of winds |
| D. | none of these |
| Answer» B. change in atmospheric temperature | |
| 103. |
A type of rainfall which occurs when wind rises up along a hill or mountain barrier is called: [NDA 2004] |
| A. | anti-cyclonic |
| B. | convectional |
| C. | cyclonic |
| D. | orographic |
| Answer» D. orographic | |
| 104. |
The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth's surface is called: |
| A. | fog |
| B. | hail |
| C. | sleet |
| D. | snowfall |
| Answer» C. sleet | |
| 105. |
Choose the incorrect statement: |
| A. | Capacity of air to hold moisture decreases with a rise in temperature of the air |
| B. | The air pressure decreases with an increase in temperature |
| C. | Absolute humidity is expressed in grams per cubic metre of air |
| D. | With an ascent of every 165 metres, the temperature is reduced by 1°C |
| Answer» C. Absolute humidity is expressed in grams per cubic metre of air | |
| 106. |
Precipitation takes place when: |
| A. | the sky is overcast with clouds |
| B. | temperature of moisture in air suddenly increases |
| C. | temperature of moisture in air sharply decreases |
| D. | winds begin to blow in a circular motion |
| Answer» B. temperature of moisture in air suddenly increases | |
| 107. |
Dew point is: [NDA 1991] |
| A. | amount of actual water vapour present per unit volume of air |
| B. | incoming solar radiation |
| C. | a low pressure system in lower atmosphere |
| D. | a temperature at which a given sample of air becomes saturated |
| Answer» D. a temperature at which a given sample of air becomes saturated | |
| 108. |
‘Cloud burst’ means: |
| A. | abnormally heavy downpour of rain, associated with a thunderstorm |
| B. | formation of artificial rain |
| C. | presence of scattered flakes of cloud in the sky |
| D. | sowing of seeds of a crop in a cloudy weather |
| Answer» A. abnormally heavy downpour of rain, associated with a thunderstorm | |
| 109. |
The amount of actual water vapour of air is known as: [NDA 1992] |
| A. | absolute humidity |
| B. | dew point |
| C. | relative humidity |
| D. | condensation point |
| Answer» A. absolute humidity | |
| 110. |
Water vapour beyond the dew point results in: [NDA 1994] |
| A. | precipitation |
| B. | hailstorm |
| C. | condensation |
| D. | formation of ice |
| Answer» C. condensation | |
| 111. |
Which type of rainfall leads to the formation of the windward and the leeward side? |
| A. | Cyclonic |
| B. | Convectional |
| C. | Orographic |
| D. | All of these |
| Answer» C. Orographic | |
| 112. |
Which of the following types of rainfall is often accompanied with lightning and thunder? |
| A. | Orographic |
| B. | Convectional |
| C. | Frontal |
| D. | None of these |
| Answer» B. Convectional | |
| 113. |
The contact of two air masses differing sharply in humidity originates: .[CDS 2001] |
| A. | tropical cyclones |
| B. | inter-tropical convergence |
| C. | temperate cyclones |
| D. | tropospheric instability |
| Answer» C. temperate cyclones | |
| 114. |
Wind in the Southern hemisphere is deflected towards left due to : [CDS 2001] |
| A. | temperature variations |
| B. | rotation of the earth |
| C. | difference in pressure |
| D. | difference in water content |
| Answer» B. rotation of the earth | |
| 115. |
Smog is likely to occur: [CDS 2002] |
| A. | around valleys |
| B. | near lakes |
| C. | on calm, clear and cool nights |
| D. | near the industrial areas |
| Answer» D. near the industrial areas | |
| 116. |
Consider the following statements: 1. Troposphere varies in its thickness between equator and poles. 2. Stratosphere does not experience Normal Lapse Rate. 3. Ozone layer occurs in the Mesophere. 4. Ionosphere lies between Stratosphere and Mesosphere Which of these statements are correct? [NDA 2003] |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 3 and 4 |
| D. | 1, 2 and 4 |
| Answer» A. 1 and 2 | |
| 117. |
What do you understand by the term ‘Advection’ ? |
| A. | Heat is transferred horizontally by winds |
| B. | Heat is transferred horizontally by both winds and ocean currents |
| C. | Heat is transferred vertically through the air |
| D. | Heat is transferred horizontally through ocean currents |
| Answer» B. Heat is transferred horizontally by both winds and ocean currents | |
| 118. |
Transfer of surplus heat from the lower latitudes to higher latitudes is done by : 1. ocean currents 2. planetary winds 3. tides 4. waves |
| A. | I and II |
| B. | III and IV |
| C. | I and IV |
| D. | II and III |
| Answer» A. I and II | |
| 119. |
Compared to other slopes in the northern hemisphere which is the warmest? |
| A. | East facing |
| B. | South facing |
| C. | North facing |
| D. | West facing |
| Answer» B. South facing | |
| 120. |
Which of the following is/are correct in matching the layer of atmosphere and its characteristic ? 1. Troposphere : weather phenomena 2. Stratosphere : ozone layer 3. Ionosphere : radio waves reflected to earth's surface 4. Mesosphere : Aurorae |
| A. | I, II, III and IV |
| B. | I, II and IV |
| C. | II and III |
| D. | I, II and III |
| Answer» D. I, II and III | |
| 121. |
Freely moving bodies are: |
| A. | deflected to their right in the northern hemisphere |
| B. | deflected to the right in the southern hemisphere |
| C. | deflected upwards at the equator |
| D. | unaffected by the earth's movements |
| Answer» A. deflected to their right in the northern hemisphere | |
| 122. |
Which of the following statements is not true of Trade Winds? |
| A. | They blow from the Horse Latitudes to the Doldrums |
| B. | They are deflected to the right to become South-East Trades in the southern hemisphere |
| C. | they are constant in strength and direction |
| D. | They sometimes contain intense depressions |
| Answer» B. They are deflected to the right to become South-East Trades in the southern hemisphere | |
| 123. |
Which of the following is specially true of anticyclones in the southern hemisphere? |
| A. | The air moves in a circular manner |
| B. | Pressure increases from the outside to the centre |
| C. | They often form over continents |
| D. | The air moves in an anti-clockwise direction |
| Answer» D. The air moves in an anti-clockwise direction | |
| 124. |
Which of the following is/are characteristic of a depression in the southern hemisphere? 1. It is a mass of air whose isobars form an oval or circular shape 2. Pressure is high in the centre and decreases towards the outside 3. Air moves anti-clockwise |
| A. | I only |
| B. | II only |
| C. | I and III |
| D. | All three |
| Answer» A. I only | |
| 125. |
Which of the following are true with regard to temperature control of the atmosphere of a given place? 1. The major temperature contrasts on earth's surface are between land masses and oceans 2. During night, the water surface cools more rapidly than the land surface 3. Temperature generally decreases with latitude on either side of the equator 4. Temperature rises to a maximum during summer and falls to a minimum during winter |
| A. | I, III and IV |
| B. | II, III and IV |
| C. | I and II |
| D. | II and IV |
| Answer» A. I, III and IV | |
| 126. |
At low elevation which among the following clouds are to be found ? |
| A. | Cirrus |
| B. | Nimbus |
| C. | Cumulus |
| D. | Stratus |
| Answer» B. Nimbus | |
| 127. |
Which of the following colour types do not indicate fair or fine weather? |
| A. | Cirrus |
| B. | Cumulus |
| C. | Altocumulus |
| D. | Cumulonimbus |
| Answer» D. Cumulonimbus | |
| 128. |
Which one among the following is a high cloud? [NDA 2003] |
| A. | Cirrus |
| B. | Cumulonimbus |
| C. | Nimbostratus |
| D. | Stratus |
| Answer» A. Cirrus | |
| 129. |
What is the correct sequence of the given clouds from low to high altitudes? [CDS 2001] |
| A. | Stratus, Cumulonimbus, Cirrostratus, Cirrus |
| B. | Stratus, Cirrostratus, Cumulonimbus, Cirrus |
| C. | Cumulonimbus, Stratus, Cirrus, Cirrostratus |
| D. | Cumulonimbus, Stratus, Cirrostratus, Cirrus |
| Answer» D. Cumulonimbus, Stratus, Cirrostratus, Cirrus | |
| 130. |
In the northern hemisphere, currents are deflected to their right due to : |
| A. | centrifugal force |
| B. | coriolis force |
| C. | cyclonic storms |
| D. | none of these |
| Answer» B. coriolis force | |
| 131. |
Which one of the following is a type of planetary wind? |
| A. | Monsoons |
| B. | Loo |
| C. | Westerlies |
| D. | Tornadoes |
| Answer» C. Westerlies | |
| 132. |
In the northern hemisphere, the wind blowing from the Horse latitudes to the Doldrums is called: [NDA 1994] |
| A. | Westerly wind |
| B. | Trade wind |
| C. | Polar Easterly |
| D. | Jet Stream |
| Answer» B. Trade wind | |
| 133. |
Warm dry winds blowing down the east slopes of Rockies are known as : [NDA 1992] |
| A. | Mistral |
| B. | Nor' westers |
| C. | Foehn |
| D. | Chinook |
| Answer» D. Chinook | |
| 134. |
The monsoon has well-developed cycle in: [CDS 1992] |
| A. | South and South East Asia |
| B. | North Australia |
| C. | East United States |
| D. | Africa |
| Answer» A. South and South East Asia | |
| 135. |
What is true with regard to Jet Streams? 1. High velocity winds 2. Blow from west to east 3. Blow in upper troposphere near the tropopause 4. Blow in the mesosphere |
| A. | 2 and 3 |
| B. | 2 and 4 |
| C. | 1, 2 and 3 |
| D. | 1, 2 and 4 |
| Answer» C. 1, 2 and 3 | |
| 136. |
Anticyclones are caused by: |
| A. | violent winds |
| B. | heavy rainfall |
| C. | winds that blow spirally outwards from the centre |
| D. | winds that blow spirally inwards |
| Answer» C. winds that blow spirally outwards from the centre | |
| 137. |
In the earth's atmosphere, the atmospheric pressure: [NDA 1991] |
| A. | increases with height |
| B. | decreases with height |
| C. | remains constant with height |
| D. | first increases and then decreases with height |
| Answer» B. decreases with height | |
| 138. |
Which of the following statements about Stratosphere is incorrect? |
| A. | It is the region in the atmosphere above tropopause |
| B. | It contains ozone layer which prevents ultraviolet radiations of sun from reaching to the earth |
| C. | It is not free from the violent weather changes occurring on the earth |
| D. | It provides ideal flying conditions |
| Answer» C. It is not free from the violent weather changes occurring on the earth | |
| 139. |
The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is : |
| A. | depression |
| B. | doldrums |
| C. | horse-latitudes |
| D. | inter-tropical convergence |
| Answer» A. depression | |
| 140. |
The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from: |
| A. | troposphere |
| B. | mesosphere |
| C. | stratosphere |
| D. | ionosphere |
| Answer» D. ionosphere | |
| 141. |
‘Temperate lows’ are: |
| A. | low pressure areas in cyclones |
| B. | equatorial low pressure belt |
| C. | polar regions which have very low temperatures |
| D. | sub-polar low pressure belts |
| Answer» D. sub-polar low pressure belts | |
| 142. |
Which of the following statements is wrong? |
| A. | Roughly circular isobar system with a high pressure at the centre represents an anticyclone |
| B. | Roughly circular isobar system with a low pressure at the centre represents a cyclone |
| C. | Roughly V-sheped isobar system with a low pressure at the centre represents a trough |
| D. | Roughly V-shaped isobar system with a low pressure at the centre represents a wedge |
| Answer» D. Roughly V-shaped isobar system with a low pressure at the centre represents a wedge | |
| 143. |
Countries favourably influenced by Westerlies are: |
| A. | Western Europe, British Columbia and East of U.S.A. |
| B. | South-West Africa and South Chile |
| C. | New Zealand |
| D. | All of these |
| Answer» D. All of these | |
| 144. |
The hot and dry winds that help in the ripening of grapes in the Alps region is : |
| A. | Chi nook |
| B. | Foehn |
| C. | Mistral |
| D. | Roaring Forties |
| Answer» B. Foehn | |
| 145. |
'Pampero' is : |
| A. | a cold wind which prevails in Argentina and Uruguay |
| B. | a low pressure area in Equator |
| C. | a moisture laden wind which brings rainfall to the west coast of Panama |
| D. | a high pressure area which develops first and then leads to the formation of an anticyclone |
| Answer» A. a cold wind which prevails in Argentina and Uruguay | |
| 146. |
Which of the following winds is incorrectly paired with the area in which it prevails? |
| A. | Berg wind - South eastern Africa |
| B. | Karaburan - Tarim basin of Sinkiang |
| C. | Southerly Burster - New South Wales |
| D. | Hurricanes - New Zealand |
| Answer» D. Hurricanes - New Zealand | |
| 147. |
The tropical cyclones-Hurricanes and Typhoons-develop and mature: |
| A. | at the same place |
| B. | over the land masses only |
| C. | over the water bodies only |
| D. | anywhere in the tropical zone |
| Answer» D. anywhere in the tropical zone | |
| 148. |
Which of the following is a cold wind? |
| A. | Buran |
| B. | Foehn |
| C. | Chinook |
| D. | Sirocco |
| Answer» A. Buran | |
| 149. |
The dry wind 'Santa Ana' blows in : |
| A. | Siberia |
| B. | Argentina |
| C. | Switzerland |
| D. | California |
| Answer» D. California | |
| 150. |
The portion of the atmosphere which extends from the earth's surface upto 6-8 miles and experiences decrease in temperature at constant rate is : [NDA 1990] |
| A. | stratosphere |
| B. | tropopause |
| C. | troposphere |
| D. | ionosphere |
| Answer» C. troposphere | |
| 151. |
Consider the following statements: 1. Mistral is a cold wind blowing in North America. 2. Sirocco is a hot dry wind blowing across the North African coast. Which of the statement(s) given above is/are correct? [IAS 2009] |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» B. 2 only | |
| 152. |
Local thunderstorms ‘Nor westers’ are prominent in : |
| A. | Punjab |
| B. | West Bengal |
| C. | Andhra Pradesh |
| D. | Tamil Nadu |
| Answer» B. West Bengal | |
| 153. |
When the relative humidity is 50 percent and air temperature is 30°C, a cooling of air mass: [NDA 1990] |
| A. | raises the absolute humidity |
| B. | produces no change in relative humidity |
| C. | decreases the relative humidity |
| D. | increases the relative humidity |
| Answer» C. decreases the relative humidity | |
| 154. |
Which of the following statements about convectional rainfall are true? 1. The areas of the world, having an equatorial type of climate, receive this kind of rainfall. 2. It is usually torrential and accompanied by thunder and lightning. 3. It is also known as 4 o'clock rain. |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 1 and 3 |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 155. |
The dense mass of small water drops on smoke particles in the lower layers of the atmosphere is : |
| A. | smog |
| B. | frost |
| C. | fog |
| D. | dew |
| Answer» A. smog | |
| 156. |
Cyclonic rainfall largely occurs in : |
| A. | Egypt |
| B. | India |
| C. | U.K. |
| D. | Mexico |
| Answer» B. India | |
| 157. |
Which one of the following islands receives convectional rainfall ? |
| A. | Cyprus |
| B. | Sumatra |
| C. | Cuba |
| D. | Greenland |
| Answer» B. Sumatra | |
| 158. |
Consider the following statements: 1. Tropical cyclones have circular isobars. 2. Tropical cyclones originate· entirely within tropical air mass. 3. The intensity and magnitude of hurricanes generally exceed those of typhoons. 4. Tropical cyclones are more destructive than the western disturbances. Select the correct answer by using the following codes: [CDS 2001] |
| A. | 1, 2 and 4 |
| B. | 1 only |
| C. | 2 and 3 |
| D. | 3 and 4 |
| Answer» A. 1, 2 and 4 | |
| 159. |
Consider the following statements regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth's surface at sea level is called one atm sphere. Which of these statements are correct? [CDS 2001] |
| A. | 1 and 4 |
| B. | 2 and 4 |
| C. | 2, 3 and 4 |
| D. | 1, 2 and 4 |
| Answer» D. 1, 2 and 4 | |
| 160. |
The most important factor in thunderstorms development is: [IAS 2003] |
| A. | atmospheric stability |
| B. | atmospheric instability |
| C. | abundance of moisture |
| D. | temperature inversion |
| Answer» B. atmospheric instability | |
| 161. |
Which of the following statements is not true? [UP PCS 2002] |
| A. | Presence of water vapour is highly variable in the lower atmosphere. |
| B. | The zone of maximum temperature is located along the equator. |
| C. | Frigid zones are located in both the hemispheres between the polar circles and the poles. |
| D. | Jet streams are high altitude winds affecting the surface weather conditions. |
| Answer» B. The zone of maximum temperature is located along the equator. | |
| 162. |
Which are of the following is wrongly characterised? |
| A. | Chinook- Canada - winter - warm |
| B. | Khamsin – Egypt – spring - hot |
| C. | Sirocco – Sahara – spring - hot |
| D. | Mistral - Rhone Valley - summer – cold |
| Answer» D. Mistral - Rhone Valley - summer – cold | |
| 163. |
Which of the following is wrongly matched? |
| A. | Rainfall caused by mountain standing in the way of moisture - laden winds - relief rainfall |
| B. | Rain caused by vertical circulation of air currents - orographic rainfall |
| C. | Rain caused by a warm moist air mass moving upward over cold air mass - cyclonic rainfall |
| D. | An area sheltered from rain bearing winds by a hill - rain shadow area |
| Answer» B. Rain caused by vertical circulation of air currents - orographic rainfall | |
| 164. |
Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when : |
| A. | the water is shallow |
| B. | the lake is high above sea level |
| C. | prevailing out-blowing winds cross the lake in winter |
| D. | the lake is a basin of inland drainage |
| Answer» C. prevailing out-blowing winds cross the lake in winter | |
| 165. |
The absence of which among the following causes the temperature of the atmosphere to decrease with ascent along with decreasing density of air? 1. Vegetation 2. Water 3. Carbon dioxide 4. Oxygen 5. Nitrogen |
| A. | I and II |
| B. | III and IV |
| C. | II and III |
| D. | II and V |
| Answer» C. II and III | |
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