What is the harm from the depletion of Earth's Ozone Layer...? Mcqs

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What is the harm from the depletion of Earth's Ozone Layer...?

(A) The average operation of the Earth's surface will increase gradually
(B) The oxygen content of the atmosphere will decrease

(C) Increased amount of UV rays will reach Earth's surface
(D) Sea levels will rise as the glaciers' caps will gradually melt

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Which are called body building foods...?

(A) Carbohydrate
(B) Protein

(C) Vitamin
(D) Mineral

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When carbon dioxide is released in the dough, what will be result...?

(A) It rises up
(B) It rises down

(C) It became harder
(D) None

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Plastic is made of materials including _____...?

(A) Recycled Plastic
(B) Rocks & Sand

(C) Coal, Oil, Natural Gas
(D) None of the these

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Which isotope is used to identity efficiency rates of organic and inorganic fertilizers...?

(A) Phosphorus - 32
(B) Carbon - 14

(C) Lead - 210
(D) Nitrogen - 15

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Saliva contains__________...?

(A) Amylases
(B) Bite

(C) Trypsin
(D) None of these

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For every two K⁺ that are actively transported inwards, how many Na⁺ are pumped out of the cell...?

(A) 1
(B) 2

(C) 3
(D) 4

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Metals are good conductors of electricity because they have free _____...?

(A) Electrons
(B) Protons

(C) Neutrons
(D) Photons

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Saliva helps in the digestion of...?

(A) Starch
(B) Proteins

(C) Lipids
(D) Fats

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When the magnet is suspended freely, its north and south poles are always pointed towards...?

(A) North and South poles of earth respectively
(B) North and South poles of earth in the opposition direction

(C) East and West of earth respectively
(D) East and West of earth in opposite direction

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