Gales occur when the wind moves at the speed of _____ ...? Mcqs

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Gales occur when the wind moves at the speed of _____ ...?

(A) 35 km/h
(B) 55 km/h

(C) 75 km/h
(D) 100 km/h

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Electron pairs which are not shared by atoms are called...?

(A) Electron pairs
(B) Lone pairs

(C) Bond pairs
(D) Shared pairs

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Which mineral plays a role in developing bones and in metabolic processes...?

(A) Sodium
(B) Iodine

(C) Magnesium
(D) Copper

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If the level of atmospheric pollution increases:...?

(A) The length of the day will increases
(B) The length of the day will decreases

(C) The length of the day will remain same
(D) None of these

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Approximate age of earth is ________...?

(A) 4.14 billion years
(B) 4.64 billion years

(C) 4.54 billion years
(D) 4.34 billion years

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Solar panels contain Solar Cell which are called ____...?

(A) Photo-voltaic cells
(B) photo - electric cells

(C) photo- septic cell
(D) None

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Vitamin B3 is also known as__________...?

(A) Thiamine
(B) Riboflavin

(C) Niacin
(D) Retinol

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Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer....?

(A) January – July
(B) June – December

(C) July – January
(D) December – June

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The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water....?

(A) 1 gram
(B) 10 grams

(C) 1 kg
(D) 10 kg

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The lowest temperature ever recorded on the Earth is...?

(A) –89.2 °C
(B) –86.2 °C

(C) –83.2 °C
(D) –92.2 °C

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