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Class 9 (1637 questions)
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by GIANSH GUPTA KHUNDKER
· Class 9
What type of energy conversion takes place when you rub your hands together?
Science
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
According to the law of reflection, the angle of incidence is always equal to:
Science
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
Why is aluminum metal unreactive with air under normal conditions?
Science
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
Which plant tissue is responsible for transporting water and dissolved minerals from the roots to the rest of the plant?
Science
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following statements about the unit of pressure is correct?
Science
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
When a dark grey solid iodine is heated, it changes directly into a purple gas without melting. Which term describes this phase change?
Science
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following is the best definition of a gene?
Science
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
There are five houses in a line: A, B, C, D, and E. House B is to the right of C, and house A is to the left of B but to the right of C. House E is to the left of C, and house D is to the right of E but to the left of C. Which house is in the middle?
Reasoning
Analytical Reasoning
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by GIANSH GUPTA KHUNDKER
· Class 9
Pointing to a picture, Amit said, "She is the only daughter of my father's only son." How is the girl related to Amit?
Reasoning
Blood Relations
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by GIANSH GUPTA KHUNDKER
· Class 9
If PINK is coded as 1691411, how will RED be coded?
Reasoning
Coding and Decoding
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by GIANSH GUPTA KHUNDKER
· Class 9
Find the next number in the sequence: 2, 6, 12, 20, 30,.....
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
Overgrazing and poor land management lead to severe desertification in arid grasslands. Beyond losing plant life, how does this directly accelerate global climate change?
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?
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?
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?
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?
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?
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?
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)?
Green Warrior
Climate Action
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