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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Oasis is associated with___________...?

(A) Glaciers
(B) Desert

(C) Islands
(D) Volcanoes

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In Fahrenheit scale the freezing point of water is ______...?

(A) 30°F
(B) 32°F

(C) 34°F
(D) 100°F

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Two bulbs are connected in a series circuit. One bulb blows (blast), what will happen to the other bulb...?

(A) Will glow brighter
(B) Also blow (blast)

(C) Remains same
(D) Will glow dimmer

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Water is a...?

(A) Compound
(B) Mixture

(C) Solution
(D) Element

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The freezing point of water is the same as its...?

(A) Melting point
(B) Boiling point

(C) Evaporation point
(D) None

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Which of the following are not deflected by electric and magnetic fields ...?

(A) Alpha rays
(B) Beta rays

(C) Gamma rays
(D) None of these

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A type of circulatory system blood flow through the spaces among tissues called...?

(A) Open type circulatory system
(B) Close type circulatory system

(C) Pulmonary circulatory system
(D) All of these

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When animals and plants are decayed in absence of air, there produces a gas called...?

(A) Natural Gas
(B) CNG

(C) LPG
(D) Biogas

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Which of the following is not a donor atom...?

(A) Phosphorus
(B) Antimony

(C) Arsenic
(D) Aluminum

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