The process of splitting water molecules in the presence of light energy is called_________...? Mcqs

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The process of splitting water molecules in the presence of light energy is called_________...?

(A) Electrolysis
(B) Photolysis

(C) Radiolysis
(D) Thermolysis

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The process of making copies of DNA is called...?

(A) Transcription
(B) Replication

(C) Mutation
(D) Translation

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Sperms fuse with eggs to form ______...?

(A) Embryo
(B) Fetus

(C) Zygote
(D) Gamete

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All Transition Elements are _____...?

(A) Gases
(B) Metals

(C) Nonmetals
(D) Metalloids

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The most pure form of carbon among these are...?

(A) Anthracite
(B) Lampblack

(C) Graphite
(D) None of these

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Angle of friction and angle of repose are...?

(A) equal to each other
(B) not equal to each other

(C) proportional to each other
(D) None of these

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What is the molecular formula for Ammonia...?

(A) NH
(B) NH2

(C) NH3
(D) NH4

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The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name...?

(A) Ionosphere
(B) Troposphere

(C) Stratosphere
(D) Mesosphere

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E.coli is an example of...?

(A) Algae
(B) Fungi

(C) Bacteria
(D) Virus

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Which substance expands the most; for the same rise in temperature...?

(A) Water
(B) Air

(C) Copper
(D) Class

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