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Chapter 2

Social Science Class 7

50 of 50 questions

50
Total Questions
15
Easy
24
Medium
11
Hard
Q1
easyBasics
What is the definition of weather?
A.The state of the Earth's atmosphere at a particular time and place
B.The study of climate over long periods
C.The amount of water vapour in the air
D.The movement of air from high to low pressure
Q2
easyAtmosphere
Which layer of the atmosphere is closest to the Earth's surface?
A.Stratosphere
B.Troposphere
C.Mesosphere
D.Thermosphere
Q3
easyAtmosphere
Approximately how thick is the troposphere?
A.1–5 km
B.6–18 km
C.20–30 km
D.50–60 km
Q4
easyElements
Which of these is NOT an element of weather?
A.Temperature
B.Precipitation
C.Humidity
D.Soil type
Q5
easyElements
What does precipitation include?
A.Rain and snow
B.Only rain
C.Only hail
D.Only dew
Q6
easyElements
How is atmospheric pressure defined?
A.The amount of water vapour in the air
B.The weight of the air above us on the Earth's surface
C.The speed of wind
D.The amount of rainfall in mm
Q7
easyElements
What is wind?
A.Movement of water
B.Movement of air from low to high pressure
C.Movement of air from high to low pressure
D.Movement of clouds
Q8
easyElements
What does humidity measure?
A.Air pressure
B.Air temperature
C.Water vapour in the air
D.Wind speed
Q9
easyInstruments
Which instrument measures rainfall depth?
A.Thermometer
B.Rain gauge
C.Barometer
D.Anemometer
Q10
easyInstruments
Which instrument uses rotating cups to measure wind speed?
A.Wind vane
B.Anemometer
C.Barometer
D.Hygrometer
Q11
easyInstruments
A barometer is used to measure:
A.Temperature
B.Humidity
C.Atmospheric pressure
D.Precipitation
Q12
easyTemperature
Which scale is used for most temperature recordings in weather reports?
A.Kelvin
B.Celsius
C.Rankine
D.Newton
Q13
mediumTemperature
15°C is equivalent to how many degrees Fahrenheit (approx)?
A.41°F
B.59°F
C.75°F
D.32°F
Q14
mediumAtmospheric Pressure
What is the normal atmospheric pressure at sea level?
A.950 mb
B.980 mb
C.1013 mb
D.1050 mb
Q15
mediumAtmospheric Pressure
A pressure below 1000 mb generally indicates a:
A.Heat wave
B.Drought
C.Depression
D.Cold wave
Q16
mediumHumidity
Relative humidity of 100% means the air is:
A.Very dry
B.Completely saturated with water vapour
C.At normal conditions
D.Very cold
Q17
mediumHumidity
Which relative humidity range is typical for dry weather?
A.0–10%
B.20–40%
C.60–80%
D.90–100%
Q18
mediumTraditional Methods
What traditional sign indicates coming rain in nature?
A.Birds flying high
B.Pine cones closing
C.Cloudless sky
D.Strong sunlight
Q19
mediumWeather Stations
What does AWS stand for in meteorology?
A.Automated Weather Station
B.Atmospheric Wind Sensor
C.Advanced Weather System
D.Air Water Scale
Q20
mediumWeather Stations
Why is an Automated Weather Station at 4800 m in Sikkim important?
A.To predict avalanches
B.To provide early warning of high-altitude weather
C.To measure seismic activity
D.To track migratory birds
Q21
mediumBasics
Meteorology is the systematic study of:
A.Climate change effects
B.Rocks and minerals
C.Weather and its evolution
D.Ocean currents
Q22
mediumInstruments
Which instrument would you use to record maximum and minimum temperatures?
A.Laboratory thermometer
B.Maximum-minimum thermometer
C.Clinical thermometer
D.Digital hygrometer
Q23
mediumTerminology
In the context of weather, what does 'ambient' refer to?
A.Air pressure
B.Relative humidity
C.Immediate surroundings
D.Temperature range
Q24
mediumInstruments
Why do pilots use wind socks on runways?
A.To measure humidity
B.To indicate wind direction and strength
C.To forecast storms
D.To measure temperature
Q25
mediumHumidity
Which of these factors does NOT affect humidity measurements?
A.Temperature
B.Wind
C.Pressure
D.Soil moisture
Q26
hardConceptual
If Chennai reports 20°C and you feel cold, which concept explains this?
A.Relative humidity
B.Perception varies with local climate
C.Barometric pressure
D.Wind chill
Q27
hardData Analysis
Calculate the temperature range for a day with a maximum of 32°C and minimum of 18°C.
A.14°C
B.50°C
C.0.56°C
D.16°C
Q28
mediumPractical
Which site is best for placing a rain gauge?
A.School vegetable garden
B.Terrace of the building
C.Open ground on elevated platform
D.Inside the laboratory verandah
Q29
hardTerminology
What does the abbreviation 'TR' mean in rainfall records?
A.Total rainfall
B.Trace amount
C.Torrential rain
D.Temperature reading
Q30
hardData Analysis
On 01-02-2024 at Srinagar, the actual max was 6.5°C and normal was 8.9°C. What is the departure?
A.−2.4°C
B.2.4°C
C.0°C
D.−8.9°C
Q31
hardForecasting
Which weather map symbol indicates a heat wave?
A.Flame icon
B.Snowflake
C.Raindrop
D.Wind icon
Q32
hardForecasting
Why is measuring atmospheric pressure important for forecasting cyclones?
A.Cyclones form in high-pressure areas
B.Cyclones form in low-pressure areas
C.Pressure does not affect cyclones
D.Pressure only affects humidity
Q33
mediumData Analysis
What statistical measure gives the mean daily temperature?
A.Maximum temperature
B.Minimum temperature
C.(Max + Min)/2
D.Range
Q34
easyTerminology
How would you explain 'forecast' in simple terms?
A.To measure rainfall
B.To predict or find out in advance
C.To record humidity
D.To calculate temperature
Q35
hardHistory
What does the India Meteorological Department motto ‘ādityāt jāyate vṛṣṭi’ mean?
A.Rain arises from clouds
B.From the sun arises rain
C.From water comes life
D.The sun gives heat
Q36
mediumElements
Which factor is dominant when a loo (hot, dusty wind) blows?
A.Temperature
B.Wind
C.Humidity
D.Precipitation
Q37
mediumPractical
What simple experiment can students do to measure weekly rainfall variation?
A.Use a wind vane daily
B.Record rain gauge readings at the same time each day
C.Measure temperature every hour
D.Track humidity changes
Q38
mediumGrammar
Which sentence correctly uses 'dew' in weather context?
A.The rain gauge measured dew.
B.Dew forms on cool surfaces overnight.
C.Dew forecast calls for sunshine.
D.Dew records wind speed.
Q39
mediumInstruments
Which instrument would help a museum maintain its exhibits?
A.Rain gauge
B.Barometer
C.Hygrometer
D.Anemometer
Q40
mediumTraditional Methods
Which of these is a natural method of predicting weather?
A.Using a barometer
B.Observing ants carrying eggs
C.Measuring humidity
D.Reading a weather map
Q41
mediumApplication
What would be the advice for packing clothes for Mumbai at 29°C and 84% humidity?
A.Pack heavy woollens
B.Pack light, breathable clothing
C.Pack raincoats only
D.Pack thick jackets
Q42
easyPrecipitation
What unit is used to report rainfall depth?
A.Millimetres
B.Centimetres
C.Millibars
D.Degrees
Q43
easyHumidity
What does 'saturated air' refer to?
A.Air with low pressure
B.Air with maximum water vapour
C.Air with no wind
D.Air with no clouds
Q44
hardElements
Which weather condition likely causes forest fires to spread?
A.Heavy rain
B.High humidity
C.Strong, hot, dry winds
D.Cold wave
Q45
hardInstruments
How does a hygrometer measure humidity?
A.By collecting rainwater
B.By using a rotating cup mechanism
C.By measuring changes in a hair or material length
D.By recording temperature changes
Q46
mediumWeather Stations
What component of an AWS measures precipitation?
A.Thermistor
B.Rain gauge
C.Barometer
D.Anemometer
Q47
hardForecasting
Why is data collected at regular intervals important for forecasting?
A.It tracks seasonal changes only
B.It ensures accuracy in weather models
C.It measures wildlife behaviour
D.It records soil nutrient levels
Q48
mediumElements
Which weather element is most dominant during monsoon season?
A.Temperature
B.Precipitation
C.Wind speed
D.Humidity
Q49
mediumStructure
Which part of the chapter explains the link between climate and weather?
A.Introduction
B.Weather Stations
C.Before we move on
D.Exploring Society
Q50
hardActivities
Write a short script reporting temperature range, humidity, and rainfall for a given date from the IMD chart.
A.A narrative paragraph
B.A data table
C.A bullet-point report with key parameters
D.An essay on weather history