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by GIANSH GUPTA
· Class 8
Which gas is a major component of Compressed Natural Gas (CNG)?
a) Ethane
b) Propane
c) Methane
d) Butane
Science
Coal and Petroleum
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by GIANSH GUPTA
· Class 8
The slow process of conversion of dead vegetation into coal is called:
a) Fossilization
b) Carbonization
c) Combustion
d) Distillation
Science
Coal and Petroleum
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by GIANSH GUPTA
· Class 8
What is the correct full form of PCRA?
a) Public Council of Research Association
b) Petroleum Conservation Research Association
c) Petroleum Conservation Resource Agency
d) Public Conservation Research Association
Science
Coal and Petroleum
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by GIANSH GUPTA
· Class 8
Rahul's father has a brother named Anil. How is Rahul related to Anil?
a) Nephew | b) Niece | c) Cousin | d) Son
Reasoning
Blood Relations
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by GIANSH GUPTA
· Class 8
Which of the following is not a petroleum product?
a) Kerosene
b) Beeswax
c) Paraffin wax
d) Bitumen
Science
Coal and Petroleum
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by GIANSH GUPTA
· Class 8
Pointing to a photograph, a man says, "She is my mother's only daughter." How is the woman related to the man?
a) Mother | b) Sister | c) Aunt | d) Daughter
Reasoning
Blood Relations
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by GIANSH GUPTA
· Class 8
Natural gas is considered a cleaner fuel because:
a) It is easily transportable through pipes
b) It burns with very little smoke
c) It is easy to store
d) It is found deep under the earth
Science
Coal and Petroleum
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by GIANSH GUPTA
· Class 8
The process of conversion of dead vegetation into coal is called:
a) Carbonisation
b) Distillation
c) Refining
d) Combustion
Science
Coal and Petroleum
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by GIANSH GUPTA
· Class 8
If 'BOOK' is coded as 'CPPL', how is 'DOOR' coded?
a) EPPS | b) ENNQ | c) FQQS | d) EPOS
Reasoning
Coding and Decoding
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by GIANSH GUPTA
· Class 8
The angle between the normal and the reflected ray is called the ________.
a) Angle of incidence | b) Angle of reflection | c) Normal angle | d) Lateral angle
Science
Light
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by GIANSH GUPTA
· Class 8
Which of the following is the purest form of carbon?
a) Coal tar
b) Coal gas
c) Coke
d) Charcoal
Science
Coal and Petroleum
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by GIANSH GUPTA
· Class 8
Where is the pituitary gland located in the human body?
a) Neck
b) Abdomen
c) Attached to the brain
d) Above the kidneys
Science
Endocrine System
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by GIANSH GUPTA
· Class 8
What is a major disadvantage of wind energy plants?
a) They emit high levels of greenhouse gases
b) They require a very small area of land
c) They are location-specific and require consistent wind speeds
d) They use non-renewable fuel to operate
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA
· Class 8
The change from a larva to an adult is called metamorphosis. In frogs, this is controlled by ________.
a) Insulin
b) Adrenaline
c) Thyroxine
d) Estrogen
Science
Endocrine System
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by GIANSH GUPTA
· Class 8
The term "3E" in environmental studies typically refers to the interrelation between:
a) Ecology, Evolution, and Economy
b) Energy, Economy, and Environment
c) Ethics, Education, and Energy
d) Efficiency, Effort, and Environment
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA
· Class 8
Which gland is known as the "Master Gland" because it controls other glands?
a) Thyroid
b) Adrenal
c) Pituitary
d) Pancreas
Science
Endocrine System
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by GIANSH GUPTA
· Class 8
Which of these is a simple way for a student to practice energy conservation at home?
a) Leaving the TV on standby mode all night
b) Switching to LED light bulbs
c) Using incandescent bulbs instead of fluorescent ones
d) Keeping the refrigerator door open while deciding what to eat
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA
· Class 8
Endocrine glands are also known as ________ glands.
a) Small
b) Ductless
c) Secretory
d) Target
Science
Endocrine System
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by GIANSH GUPTA
· Class 8
Which Sustainable Development Goal (SDG) specifically focuses on providing "Affordable and Clean Energy" for all?
a) Goal 6
b) Goal 7
c) Goal 11
d) Goal 13
Green Warrior
Affordable and Clean Energy
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by GIANSH GUPTA
· Class 8
The main constituent of Natural Gas and CNG is ________.
a) Butane
b) Methane
c) Ethane
d) Propane
Science
Coal and Petroleum
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