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Class 9 (1226 questions)
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by GIANSH GUPTA KHUNDKER
· Class 9
Find the next number in the sequence: 2, 6, 12, 20, 30,.....
A) 36
B) 42
C) 48
D) 52
Reasoning
Series Completion
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by GIANSH GUPTA KHUNDKER
· Class 9
What is growth?
Science
Diversity in Living Organisms
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by GIANSH GUPTA KHUNDKER
· Class 9
What color is the sky?
English
Nouns
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by GIANSH GUPTA KHUNDKER
· Class 9
Overgrazing and poor land management lead to severe desertification in arid grasslands. Beyond losing plant life, how does this directly accelerate global climate change?A) Dry sand reflects less heat than green vegetation.B) The exposed soil releases massive amounts of historically trapped organic carbon into the atmosphere.C) Desertification speeds up the Earth's magnetic rotation.D) The lack of plants prevents toxic volcanic gasses from escaping the ground.
Green Warrior
Life On Land
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by GIANSH GUPTA KHUNDKER
· Class 9
A corporation plants millions of identical eucalyptus trees on degraded land to claim carbon offset credits. What is the ecological consequence of this monoculture plantation?A) It maximizes biodiversity by introducing a resilient plant species.B) It depletes local groundwater tables and creates a ecological desert for native wildlife.C) It permanently cools the local climate by absorbing more sunlight than native forests.D) It creates a perfectly balanced soil ecosystem rich in vital nutrients.
Green Warrior
Life On Land
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by GIANSH GUPTA KHUNDKER
· Class 9
A government decides to build a highway through a large, continuous forest ecosystem. To compensate, they plant an equal acreage of trees in small patches across nearby urban parks. Why is this flawed climate and biodiversity action?A) The small patches will absorb significantly more carbon dioxide than the deep forest.B) Habitat fragmentation isolates wildlife populations and creates harsh "edge effects" that degrade the interior ecosystem.C) The urban trees will alter local weather patterns an
Green Warrior
Life On Land
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by GIANSH GUPTA KHUNDKER
· Class 9
Which agricultural practice reduces greenhouse gas emissions while simultaneously building long-term climate resilience in soil?A) Deep tilling the soil multiple times a year to increase oxygen flow.B) Applying heavy amounts of synthetic nitrogen fertilizers to maximize growth.C) Implementing no-till farming and planting diverse cover crops.D) Switching entirely to water-heavy monoculture farming crops.
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
A landfill site starts capturing methane gas produced by decaying organic waste and burns it to generate electricity. Why is this considered an effective climate action?A) Burning methane destroys all atoms, leaving no byproduct behind.B) Methane is a much more potent greenhouse gas than the carbon dioxide produced by burning it.C) Burning methane adds vital oxygen back into the atmosphere.D) Methane traps less heat than carbon dioxide over a 20-year period.
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
A factory installs a Direct Air Capture (DAC) system to extract carbon dioxide directly from the atmosphere. To ensure this is a true climate action victory, what condition must be met?A) The captured carbon dioxide must be immediately released into the ocean.B) The DAC system must be powered entirely by fossil fuels to remain stable.C) The energy running the DAC system must come from 100% renewable sources.D) The factory must increase its overall production to pay for the system.
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
If global warming causes Arctic sea ice to melt completely during summers, exposing the dark ocean water underneath, how does this create a positive feedback loop?A) The dark ocean reflects more sunlight, cooling the planet down.B) The dark ocean absorbs more solar radiation, accelerating further warming and melting.C) The dark ocean water prevents clouds from forming, reducing rainfall.D) The dark ocean increases the Earth's overall albedo, stabilizing the climate.
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
In a country where 80% of electricity is generated by burning coal, a consumer replaces their petrol car with an electric vehicle (EV). What is the immediate climate reality of this choice?A) The consumer’s carbon footprint drops to zero instantly.B) The consumer’s carbon footprint remains identical to the petrol car.C) The consumer’s footprint may shift from oil combustion to increased coal emissions at the power plant.D) The consumer eliminates all greenhouse gas emissions from their lifestyle
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
How does the restoration of coastal mangrove ecosystems directly support UN Sustainable Development Goal (SDG) 13 (Climate Action)?A) Mangroves provide habitats for endangered terrestrial animals.B) Mangroves act as highly efficient "blue carbon" sinks, sequestering carbon dioxide from the atmosphere.C) Mangroves naturally filter out plastic pollution from rivers.D) Mangroves increase the salinity of ocean water to prevent acidification.
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
You are analyzing the life cycle of clothing. Which circular economy practice provides the highest long-term climate benefit?A) Purchasing organic cotton clothing and discarding it after one season.B) Buying synthetic "fast fashion" and recycling it immediately after use.C) Extending the active lifespan of your existing garments and buying fewer new clothes.D) Purchasing clothing made entirely from biodegradable plastics.
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
You are analyzing the life cycle of clothing. Which circular economy practice provides the highest long-term climate benefit?A) Purchasing organic cotton clothing and discarding it after one season.B) Buying synthetic "fast fashion" and recycling it immediately after use.C) Extending the active lifespan of your existing garments and buying fewer new clothes.D) Purchasing clothing made entirely from biodegradable plastics.
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
If a farmer's cooperative achieves a 50% reduction in post-harvest food losses, which strategy would most effectively contribute to both food security and climate action?A) Increasing intermediaries in the supply chain to ensure faster distribution.B) Using heavy synthetic chemical preservatives to extend shelf life.C) Implementing optimized, temperature-controlled supply chains using renewable energy.D) Expanding farm sizes to produce more crops to offset the lost food.
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following actions has the most significant net impact on reducing global carbon emissions?A) Choosing organic meats instead of conventionally raised meats.B) Consuming locally sourced fruits and vegetables over imported ones.C) Opting for packaged vegetarian convenience foods.D) Eating seafood exclusively sourced from sustainable fisheries.
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
What punctuation mark is used to separate items in a list?
A. PeriodB. SemicolonC. CommaD. Hyphen
Green Warrior
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
What do you call a word that means the opposite of another word?
A. SynonymB. AntonymC. HomonymD. Acronym
Green Warrior
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the capital city of France?
A. RomeB. ParisC. BerlinD. London
Green Warrior
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
In which country are the ancient Pyramids of Giza located?
A. ItalyB. GreeceC. EgyptD. Mexico
Green Warrior
Other
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