The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect...? Mcqs

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The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect...?

(A) Nitrogen Dioxide (NO2)
(B) Chlorofluorocarbons (CFCs)

(C) Methane (CH4)
(D) High-fructose corn syrup (HFCs)

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The height at which atmospheric pressure declines by a factor of e (an irrational number equal to 2.71828) is called __________....?

(A) Average height (H)
(B) Scale height (H)

(C) Mean height (H)
(D) Standard height (H)

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Why are soft drink made with chilled water rather than water at room temperature...?

(A) Ingredients dissolve better in chilled water
(B) Chilled water enhances the taste

(C) Chilled water attracts more carbon dioxide
(D) Chilled water is more hygienic

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Water waves pass from deep into the shallow region and are then refracted. The characteristics of waves which will remain constant is _____...?

(A) Direction
(B) Frequency

(C) Speed
(D) Wavelength

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The good sources of iodine are_______...?

(A) green leafy vegetables
(B) seeds

(C) fresh vegetables and fruits
(D) sea foods

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Weather satellites are used for _____...?

(A) Provide weather forecasting
(B) TV signal broadcasting

(C) Telecommunication
(D) Space exploration

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How many colors are there in Rainbow ...?

(A) 2
(B) 4

(C) 5
(D) 7

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Which of the following are non-biodegradable materials ______...?

(A) Dead Animals
(B) Plastics

(C) Bread
(D) None of these

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What is the largest artificial object in space...?

(A) ISS (International Space Station)
(B) AI powered robot

(C) Parabolic aircraft
(D) None of the above

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Pascal’s Principle is widely used in a _____...?

(A) Electrical System
(B) Hydraulic System

(C) Pneumatic System
(D) Mechanical System

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