Chemical Name of Dry Ice...? Mcqs

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Chemical Name of Dry Ice...?

(A) Solid Carbon Dioxide
(B) Calcium Carbon

(C) A&B
(D) Sodium Oxide

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The first organism on earth were _______________...?

(A) autotrophs
(B) heterotrophs

(C) saprotrophs
(D) none of these

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A process in which liquid is purified is called...?

(A) Filtration
(B) Sublimation

(C) Distillation
(D) Crystallization

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The large plates of solar pannels are painted...?

(A) Red
(B) White

(C) Yellow
(D) Black

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The Virus of AIDS affects the growth of_____________...?

(A) Hemoglobin
(B) RBCs in blood

(C) T cells in blood
(D) Grey Cells in blood

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Which cell component is a jelly-like substance that contains many chemicals and facilitates chemical reactions...?

(A) Nucleus
(B) Cell Wall

(C) Cytoplasm
(D) Cell Membrane

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The largest artery in human body_______...?

(A) Subclavian artery
(B) Aorta

(C) Brachial artery
(D) None of these

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Animals use nitrogen in the form of_________...?

(A) Nitrogen
(B) Nitrates

(C) Nitrites
(D) None of Above

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What measurement scale is used to determine wind speed...?

(A) Richter Scale
(B) Beaufort Scale

(C) Meter-second scale
(D) None of these

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Function of restriction enzymes...?

(A) Join DNA fragments
(B) Cut the DNA

(C) Replicate the DNA
(D) Unwind the DNA

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