Elements which have same number of protons but different number of neutrons are called as _________ ...? Mcqs

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Elements which have same number of protons but different number of neutrons are called as _________ ...?

(A) Isotopes
(B) Isomers

(C) Allotropes
(D) Allomers

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The time taken by Sun to revolve around the center of our galaxy is___________...?

(A) 150 million years
(B) 250 million years

(C) 300 millon years
(D) 350 millon years

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Carbon dioxide enters into plants through ______...?

(A) Roots
(B) Leaves

(C) Petals
(D) Stomata

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A solar eclipse occurs when _________...?

(A) Venus between Earth and sun
(B) Moon is between Earth and sun

(C) Sun is between Earth and moon
(D) Moon is between Earth and Neptune

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Which is used in genetic engineering because of its ability to multiply in shortest span of time...?

(A) Virus
(B) Bacteria

(C) Algae
(D) Fungi

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Which has the lowest pH...?

(A) Hepatic Bile
(B) Gastric Juice

(C) Saliva
(D) Pancreatic Juice

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Density of Water is_________...?

(A) 897 kg/m³
(B) 997 kg/m³

(C) 1000 kg/m³
(D) 1025 kg/m³

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What is the main function of red blood cells in the human body...?

(A) Transportation of carbon monoxide
(B) Transportation of oxygen

(C) Transportation of carbon dioxide
(D) Transportation of methane

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Soap is the term for a salts of a ______...?

(A) Carboxylic acid
(B) Citric acid

(C) Sulphuric acid
(D) Fatty acid

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lightest metal is__________...?

(A) Lithium
(B) Sodium

(C) Magnesium
(D) Aluminium

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