Atmospheric Extreme Events and Hazards

Options:

1. Lightning
2. Floods
3. Super cyclone of Orissa (Indi in 1999
4. Thunderstorms

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1. They have a circular isobar with many fronts.
2. They have different temperature variations in their different parts.
3. They move with very high velocity over land areas.
4. They are characterized by extremely low pressure at the center.

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1. 80km to 300km
2. 50km or less
3. 400km to 500km
4. More than 500km

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1. Unusual rise in sea-level caused by high atmospheric pressure
2. Unusual rise in sea-level caused by low atmospheric pressure
3. Unusual rise in sea-level caused by strong gusty winds
4. Unusual rise in sea-level caused by high tidal waves

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1. From west to east
2. From north to south
3. From east to west
4. From south to north

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1. Temperate regions
2. Arctic regions
3. Regions lying between the tropics of Capricorn and Cancer
4. All regions of the world

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1. High rainfall intensity
2. Low atmospheric pressure causing unusual rise in sea-level
3. High wind speed of 180 to 400 km per hour
4. All of the above

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1. Based on their size and weather conditions
2. Based on their intensity and subtype
3. Based on their location and duration
4. Based on their impact on the environment

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1. Tornadoes
2. Hurricanes or typhoons
3. Tropical disturbances or easterly waves
4. Tropical storms

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Options:

1. They are migratory wave-like cyclones associated with easterly trade winds
2. They are centers of low pressure surrounded by closed isobars
3. They have wind velocities ranging between 40-50 km per hour
4. They are low pressure centers surrounded by closed isobars with wind velocities ranging between 40-120 km per hour

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1. North Pacific Ocean
2. Caribbean Sea
3. Bay of Bengal
4. Arabian Sea

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1. High wind speed of 180 to 400 km per hour
2. High tidal surges
3. Heavy rainfall and inundation of low-lying areas
4. Very low atmospheric pressure causing unusual rise in sea-level

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1. The cyclone of 1737
2. The cyclone of 1977
3. The cyclone that occurred on November 12, 1970
4. The cyclone that occurred in the Caribbean Sea

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1. It ruined 1,200,000 hectares of agricultural crops
2. It made most of the coastal land barren and wasteland
3. It claimed loss of property worth 1,000 billion rupees in the coastal districts
4. All of the above

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1. Typhoons
2. Cyclones
3. Baguio
4. Taifu

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1. Hurricanes have symmetrical and circular isobars
2. Precipitation from hurricanes is widespread and uniformly distributed
3. There is no temperature variation in hurricanes
4. All of the above

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1. 950 mb
2. 900 mb
3. 1000 mb
4. 800 mb

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1. Due to the meeting of land and sea winds
2. Due to the development of low pressure of thermal origin
3. Due to the formation of fronts
4. None of the above

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1. 30°-40° latitudes in the western parts of the oceans
2. 5°-20° latitudes in the eastern parts of the oceans
3. 5°-8° latitudes on both sides of the equator
4. 50°-60° latitudes in the southern hemisphere

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Options:

1. Convection currents from warm ocean surfaces
2. Deflection in wind direction resulting from coriolis force
3. Intruding high pressure systems at high altitude
4. Sinking air from above

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