General science important one liner questions and answers based on previous government exams. Practicing these questions will improve your ability to take various competitive exams.
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Q 1.
How much percentage of nitrogen consists in Earth's atmosphere ?
Ans.
78%
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Q 2.
This is called powerhouse of the cell ?
Ans.
Mitochondria
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Q 3.
This is consider as important gas for green house gas ?
Ans.
Methane, carbon dioxide
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Q 4.
This is not a source of air pollution ?
Ans.
Solid waste
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Q 5.
Which type of fertilizer is useful for gardening ?
Ans.
Vermi-compost
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Q 6.
When an organism takes benefit from an associated partner without harming the letter it is called ?
Ans.
Symbiont
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Q 7.
Which soil covers the maximum area of India ?
Ans.
Alluvial Soil
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Q 8.
Name the drug most commonly used in fever control ?
Ans.
Paraceetamol
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Q 9.
Who discovered the blood group in human being ?
Ans.
Landsteiner
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Q 10.
Onion, Potato and Ginger are ?
Ans.
Stem
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Q 11.
What is the instrument to record the intensity of Earthquake ?
Ans.
Seismograph
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Q 12.
Which planet is the nearest to the sun ?
Ans.
Mercury
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Q 13.
Which automobile fuel is considered to be eco-friendly ?
Ans.
CNG
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Q 14.
Which salts is found in maximum quantity in the oceans ?
Ans.
Magnesium Chloride
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Q 15.
Plague is a ?
Ans.
Bacterial disease
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Q 16.
Minamata disease is a pollution related disease which results from ?
Ans.
Release of industrial mercury waste into water
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Q 17.
What are the important learning indicators of environmental studies ?
Ans.
Expression, explanation, observation, reporting,questioning, analysis and experimentation
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Q 18.
Which article of Indian Constitution is related with the fundamental duties of a citizen for environmental protection ?
Ans.
Aticle 51A
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Q 19.
Which part of atmosphere blocks ultraviolet rays of light to reach Earth's surface ?
Ans.
Stratosphere
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Q 20.
Who is called the 'Father of Green Revolution' in India ?
Ans.
Dr. MS Swaminathan
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Q 21.
The bird that lays eggs on ice is ?
Ans.
Penguin
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Q 22.
Increasing concentration of toxic chemical in the food chain is called ?
Ans.
Biomagnification
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Q 23.
Which soil have more water holding capacity ?
Ans.
Clay
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Q 24.
Which is a good conductor of electricity ?
Ans.
Copper
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Q 25.
Non- stick cooking utensils are coated with ?
Ans.
Teflon
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Q 26.
The inert gas which is substitued for nitrogen in the air used by deep sea divers for breathing is ?
Ans.
Helium
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Q 27.
In the rainy season, doors gets swelled up due to ?
Ans.
Imbibition
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Q 28.
In the human body the blood supplies ______ to all the part of the body.
Ans.
Oxygen
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Q 29.
What is the value of Acceleration due to gravity' ?
Ans.
9.8 m/sec2
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Q 30.
Which part of the human body converts carbohydrates to glucose during digestion ?
Ans.
Pancreas
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