Weather Forecasting and Agriculture
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Question No. 1
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Which instrument is used to measure the direction of wind?
A.
Anemometer
B.
Barometer
C.
Wind vane
D.
Rain gauge
Question No. 2
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Growing Degree Days (GDD) are a measure used in agriculture primarily to estimate:
A.
Soil moisture content
B.
Crop growth and development stages
C.
Precipitation levels
D.
Wind speed intensity
Question No. 3
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What is the primary purpose of an Agrometeorological Advisory Service (AAS) in India?
A.
To regulate crop prices in the market
B.
To provide weather-based advisories for agricultural operations
C.
To distribute agricultural subsidies to farmers
D.
To conduct agricultural research and development
Question No. 4
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The phenomenon of 'Western Disturbances' primarily affects which part of India and is crucial for which crops?
A.
South India, Kharif crops
B.
North-East India, Plantation crops
C.
North-West India, Rabi crops
D.
Central India, Commercial crops
Question No. 5
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A prolonged period of abnormally low rainfall, leading to water scarcity, is technically termed as:
A.
Flood
B.
Heatwave
C.
Drought
D.
Cyclone
Question No. 6
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Which type of clouds are typically associated with heavy rainfall, thunderstorms, and often hail?
A.
Cirrus
B.
Stratus
C.
Cumulonimbus
D.
Altocumulus
Question No. 7
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The optimum temperature range for the growth of most tropical crops generally lies between:
A.
5°C - 15°C
B.
15°C - 20°C
C.
20°C - 35°C
D.
35°C - 45°C
Question No. 8
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What is the primary function of a windbreak in agricultural fields?
A.
To increase soil erosion
B.
To attract more pests
C.
To reduce wind speed and protect crops
D.
To enhance waterlogging
Question No. 9
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Which government organization in India is primarily responsible for weather observation, forecasting, and seismology?
A.
Indian Council of Agricultural Research (ICAR)
B.
National Disaster Management Authority (NDMA)
C.
India Meteorological Department (IMD)
D.
Department of Space (DOS)
Question No. 10
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The process by which water vapor in the atmosphere changes into liquid water droplets or ice crystals, forming clouds or dew, is called:
A.
Evaporation
B.
Transpiration
C.
Condensation
D.
Precipitation
Question No. 11
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El Niño, a climate pattern involving the warming of Pacific Ocean surface waters, often leads to what effect on the Indian monsoon?
A.
Stronger monsoon rainfall
B.
Delayed and weaker monsoon rainfall
C.
No discernible effect on monsoon
D.
Early onset of monsoon
Question No. 12
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Which of the following agricultural operations is most critically dependent on short-range (1-3 days) weather forecasts?
A.
Crop variety selection
B.
Construction of irrigation infrastructure
C.
Application of pesticides/fertilizers
D.
Long-term farm planning
Question No. 13
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Frost injury in plants is primarily caused by:
A.
High temperatures causing cellular damage
B.
Formation of ice crystals within plant cells, disrupting membranes
C.
Excessive sunlight exposure
D.
Nutrient deficiency in the soil
Question No. 14
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An instrument used to measure the total amount of incoming solar radiation is called a:
A.
Hygrometer
B.
Pyranometer
C.
Altimeter
D.
Luxmeter
Question No. 15
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What is the 'dew point' temperature?
A.
The temperature at which water boils
B.
The temperature at which atmospheric water vapor condenses into liquid
C.
The temperature at which ice melts
D.
The temperature at which crops begin to flower
Question No. 16
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Which atmospheric layer is closest to the Earth's surface and where nearly all weather phenomena occur?
A.
Stratosphere
B.
Mesosphere
C.
Thermosphere
D.
Troposphere
Question No. 17
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The process of loss of water from the stomata of plants is called:
A.
Evaporation
B.
Precipitation
C.
Transpiration
D.
Condensation
Question No. 18
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High humidity combined with high temperatures in agricultural fields often creates favorable conditions for the increased incidence of:
A.
Pollination
B.
Photosynthesis
C.
Pest and disease outbreaks
D.
Nutrient absorption
Question No. 19
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Which of the following is a direct impact of a heatwave on crop plants?
A.
Increased photosynthesis rate
B.
Premature ripening and reduced yield
C.
Enhanced water absorption
D.
Improved nutrient uptake efficiency
Question No. 20
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Which type of weather forecast typically provides information for the next 3 to 10 days?
A.
Nowcasting
B.
Short-range forecast
C.
Medium-range forecast
D.
Long-range forecast
Question No. 21
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The term 'monsoon break' in India refers to:
A.
The beginning of the monsoon season
B.
A prolonged dry spell during the active monsoon season
C.
The end of the monsoon season
D.
A period of unusually heavy rainfall
Question No. 22
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Remote sensing technology is increasingly used in agriculture for what purpose related to weather and crops?
A.
Manual irrigation system operation
B.
Forecasting market prices of crops
C.
Monitoring crop health, stress, and yield estimation based on weather conditions
D.
Directly controlling pest populations
Question No. 23
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Which agricultural operation is most critically dependent on the accurate prediction of the onset of monsoon rainfall?
A.
Harvesting of Rabi crops
B.
Sowing of Kharif crops
C.
Pruning of fruit trees
D.
Application of post-harvest treatments
Question No. 24
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What is the primary effect of cloud cover on diurnal (day-night) temperature variation?
A.
Increases both day and night temperatures
B.
Decreases both day and night temperatures
C.
Reduces the diurnal temperature range (cooler days, warmer nights)
D.
Increases the diurnal temperature range (warmer days, cooler nights)
Question No. 25
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An instrument that continuously records various meteorological parameters like temperature, humidity, and rainfall automatically is known as a/an:
A.
Simple thermometer
B.
Manual rain gauge
C.
Automatic Weather Station (AWS)
D.
Wind sock
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