Mouna Loa is an example of...? Mcqs

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Mouna Loa is an example of...?

(A) Active volcano
(B) Extinct volcano

(C) Plateau in volcanic region
(D) None of these

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The sun has a __________ year solar cycle during which its activity increases and decreases....?

(A) 10
(B) 11

(C) 12
(D) 13

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In how many days pluto revolves around the sun _____...?

(A) 88 years
(B) 248 years

(C) 12 years
(D) 84 years

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Which gas is used to extract energy from food in respiration...?

(A) CO2
(B) N2

(C) O2
(D) H2

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Most abundant color in Earth is_________...?

(A) Blue
(B) Green

(C) Brown
(D) Black

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Mass of Earth is___________...?

(A) 5.972 × 1024 kg.
(B) 6.972 × 1024 kg

(C) 7.972 × 1024 kg
(D) 8.972 × 1024 kg

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Which is the best indication that a chemical reaction has taken place...?

(A) Blue powder turns water blue
(B) Metal budding when placed in an unknown liquid

(C) A white substance dissolving in water
(D) None

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Second ionization energy:...?

(A) is always less than first ionization energy
(B) is always greater than first ionization energy

(C) is equal to the first ionization energy
(D) may be greater or less than the first ionization energy depending on the nature of the element

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The percentage of blood cells in the Blood of human body is _________...?

(A) 40%
(B) 45%

(C) 50%
(D) 60%

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Which of the following is the purpose of connecting a battery in an electric circuit...?

(A) To maintain resistance across the conductor
(B) To vary resistance across the conductors

(C) To maintain constant potential difference across the conductor
(D) To maintain varying potential difference across the conductor

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