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Class 9 (1637 questions)
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by GIANSH GUPTA KHUNDKER
· Class 9
Choose the correct indirect speech for: He asked me, "Where are you going tomorrow?"
English
Reported Speech
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by GIANSH GUPTA KHUNDKER
· Class 9
Choose the correct indirect speech for: The teacher said, "Water boils at 100°C."
English
Reported Speech
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the industrial practice of designing consumer products with a deliberately limited useful life so that they become obsolete or non-functional after a certain period?
Green Warrior
Responsible Consumption and Production
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by GIANSH GUPTA KHUNDKER
· Class 9
What ecological disaster occurs when massive nutrient runoff causes rapid algae growth, depleting dissolved oxygen levels and creating aquatic "dead zones"?
Green Warrior
Life Below Water
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by GIANSH GUPTA KHUNDKER
· Class 9
What environmental phenomenon causes urban regions to experience significantly warmer temperatures than their surrounding rural or natural areas due to human activity?
Green Warrior
Sustainable Cities and Communities
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by GIANSH GUPTA KHUNDKER
· Class 9
Which process describes the gradual accumulation of toxic chemical pollutants, such as heavy metals or pesticides, in the tissues of an organism over time from its environment?
Green Warrior
Life On Land
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the term for the reflective power of a surface, where areas covered in ice reflect solar radiation back into space, helping to cool the planet?
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
Which ecological water purification process relies on specifically selected aquatic plants and soil microbes to filter and break down contaminants in wastewater naturally?
Green Warrior
Clean Water and Sanitation
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by GIANSH GUPTA KHUNDKER
· Class 9
What design philosophy aims to eliminate industrial waste by ensuring all manufactured products are continuously recycled, reused, or composted without entering landfills?
Green Warrior
Responsible Consumption and Production
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by GIANSH GUPTA KHUNDKER
· Class 9
Which grid-scale renewable energy storage system uses surplus electricity to pump water to a higher elevation reservoir, releasing it through turbines during peak demand?
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the primary chemical driver causing ocean acidification, which severely threatens marine calcifiers like corals and shellfish?
Green Warrior
Life Below Water
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by GIANSH GUPTA KHUNDKER
· Class 9
Which highly potent greenhouse gas, primarily emitted through agricultural activities and livestock farming, has a global warming potential over 25 times greater than Carbon Dioxide (CO₂)?
Green Warrior
Climate Action
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by GIANSH GUPTA KHUNDKER
· Class 9
In 2D digital animation, what is the term used for the automatic generation of intermediate frames between two user-defined keyframes to create smooth motion?
Cyber
Animation Basics
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the minimal number of bits required to uniquely represent the decimal number 255 in an unsigned binary integer format?
Cyber
Number Systems
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by GIANSH GUPTA KHUNDKER
· Class 9
In a standard flowchart diagram, which specific geometric shape is strictly used to display either an input step or an output message?
Cyber
Algorithms and Flowcharts
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the technical term for an algorithm that continuously calls itself inside its own definition to solve smaller sub-problems?
Cyber
Algorithms and Flowcharts
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by GIANSH GUPTA KHUNDKER
· Class 9
Which built-in Python method is used to add a single new element directly to the very end of an existing list?
Cyber
Python Programming
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by GIANSH GUPTA KHUNDKER
· Class 9
What will be the exact data type of the variable result after executing the line result = (10 > 5) and (3 == 4) in Python 3?
Cyber
Python Programming
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by GIANSH GUPTA KHUNDKER
· Class 9
Which field property in Microsoft Access forces a user to enter data in a specific structure, such as ensuring a phone number always follows the (XXX) XXX-XXXX layout?
Cyber
Database Concepts with MS Access
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by GIANSH GUPTA KHUNDKER
· Class 9
How many distinct bytes of data storage are required to fully hold a digital image file that has a resolution of 100 x 200 pixels using a 24-bit true color depth?
Cyber
Data Representation
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