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Class 9 (692 questions)
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by GIANSH GUPTA KHUNDKER
· Class 9
Two parallel lines are intersected by a transversal. The interior angles on the same side of the transversal are:
A) Equal
B) Complementary
C) Supplementary
D) Corresponding
Maths
Lines and Angles
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by GIANSH GUPTA KHUNDKER
· Class 9
The measure of an angle which is four times its supplement is:
A) 36°
B) 144°
C) 150°
D) 45°
Maths
Lines and Angles
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by GIANSH GUPTA KHUNDKER
· Class 9
If a ray stands on a line, then the sum of the two adjacent angles so formed is:
A) 90°
B) 180°
C) 360°
D) 270°
Maths
Lines and Angles
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by GIANSH GUPTA KHUNDKER
· Class 9
If two lines intersect each other, then the vertically opposite angles are:
A) Equal
B) Unequal
C) Supplementary
D) Complementary
Maths
Lines and Angles
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by GIANSH GUPTA KHUNDKER
· Class 9
In a right-angled triangle, the hypotenuse is:
a) The shortest side
b) The longest side
c) Equal to the other side
d) None of these
Maths
Triangles
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following is NOT a criterion for congruence of triangles?
a) SAS
b) ASA
c) SSA
d) SSS
Maths
Triangles
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by GIANSH GUPTA KHUNDKER
· Class 9
A binomial of degree 20 is:
a) 20x+1
b) x/20+1
c) x^20+1
d) x^2+20
Maths
Polynomials
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by GIANSH GUPTA KHUNDKER
· Class 9
Pointing to a woman in a photo, a man says, "She is the grandmother of my son." How is the woman related to the man?
a) Sister
b) Mother
c) Wife
d) Daughter-in-law
Reasoning
Blood Relations
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by GIANSH GUPTA KHUNDKER
· Class 9
What does "Conservation of Energy" mean?
a) Producing more electricity.
b) Using energy-efficient appliances and saving energy.
c) Selling energy to other countries.
d) Using coal for heating.
Green Warrior
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the effect of excessive use of chemical fertilizers in agriculture?
a) Increased soil fertility permanently.
b) Chemical pollution of soil and water.
c) Improvement in air quality.
d) Decrease in forest fire risks.
Green Warrior
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
"Desertification" refers to:
a) Creating new deserts for tourism.
b) The process by which fertile land becomes desert due to deforestation or poor agriculture.
c) Planting trees in the desert.
d) The increase in water availability in arid regions.
Green Warrior
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
Pollutants that can be broken down into simpler, harmless substances naturally (by bacteria/moisture) are called:
a) Non-Biodegradable Pollutants
b) Biodegradable Pollutants
c) Hazardous Waste
d) Inert Waste
Green Warrior
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following is NOT an example of a natural resource?
a) Natural gas
b) Fertile land
c) Plastics
d) Biomass
Green Warrior
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
What does the concept of "Sustainable Development" aim to achieve?
a) Rapid industrialization for economic growth.
b) Meeting present needs without compromising the ability of future generations to meet their own needs.
c) Using all natural resources as quickly as possible.
d) Reducing the human population.
Green Warrior
Other
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by GIANSH GUPTA KHUNDKER
· Class 9
Q8. What makes LPG (Liquefied Petroleum Gas) a better fuel option than wood?
a) It produces more soot.
b) It is a renewable resource.
c) It is cleaner and produces fewer emissions compared to burning wood.
d) It is more expensive.
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the primary role of the Ministry of New and Renewable Energy in India?
a) To regulate the price of petrol.
b) To research and develop solar, wind, and small hydro energy projects.
c) To increase the mining of coal.
d) To distribute LPG cylinders.
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA KHUNDKER
· Class 9
Q5. Which of the following is an energy-efficient habit?
a) Leaving fans on when leaving a room.
b) Using incandescent bulbs instead of LEDs.
c) Using public transport instead of personal vehicles.
d) Using high-energy appliances during peak hours.
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the most significant disadvantage of renewable energy sources?
a) High pollution levels.
b) They are highly polluting.
c) Unreliable supply and intermittency (e.g., sun does not shine at night).
d) They are faster to consume than create.
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of these is a major consequence of relying on fossil fuels for energy?
a) Decrease in global temperature.
b) Generation of massive amounts of oxygen.
c) Release of greenhouse gases leading to climate change.
d) Increased biodiversity.
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA KHUNDKER
· Class 9
What is the main objective of Sustainable Development Goal (SDG) 7?
a) To provide free electricity to everyone.
b) To ensure access to affordable, reliable, sustainable, and modern energy for all.
c) To eliminate all fossil fuel plants by 2025.
d) To encourage the use of traditional biomass for cooking.
Green Warrior
Affordable and Clean Energy
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