Oxygen belongs to group VIA so number of electrons in its valence shell are _____...? Mcqs

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Oxygen belongs to group VIA so number of electrons in its valence shell are _____...?

(A) 3
(B) 4

(C) 5
(D) 6

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Mercury, Venus, Earth and Mars are called___________...?

(A) Dwarf Planet
(B) Gaseous Planets

(C) Terrestrial Planets
(D) Both A & B

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Cell membrane is composed of _____ layer....?

(A) Single
(B) Double

(C) Triple
(D) None

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Which of the following is solid...?

(A) Water
(B) Stone

(C) Both
(D) None

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The property of a substance to absorb moisture from the air on exposure is called____________...?

(A) osmosis
(B) deliquescence

(C) efflorescence
(D) desiccation

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In chloroplast different pigments absorb light of different _____...?

(A) Intensity
(B) Wavelength

(C) Frequency
(D) Amplitude

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Which is the largest organ in the human body...?

(A) Liver
(B) Heart

(C) Skin
(D) Kidney

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The fastest bird is the Peregrine Falcon, clocked at speeds of up to _____ miles per hour...?

(A) 240
(B) 250

(C) 260
(D) 230

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The cause of malaria is _____...?

(A) Bacteria
(B) Virus

(C) Plasmodium
(D) Fungus

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Which of the following is a positively charged particle emitted by a radioactive element...?

(A) Beta Rays
(B) Alpha Rays

(C) Gamma Rays
(D) None of these

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