Rusting of Iron involves_______________...? Mcqs

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Rusting of Iron involves_______________...?

(A) Reduction
(B) Oxidation

(C) Decomposition
(D) Displacement

✅ Correct Answer: Oxidation

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Source: This question is taken from the Everyday Science

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DNA is _____________...?

(A) Acetic Acid
(B) A class of nucleic acids

(C) Citric Acid
(D) None of these

✅ Correct Answer: A class of nucleic acids

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Source: This question is taken from the Everyday Science

Latest MCQs

Garnet is a______________...?

(A) Sedimentary rock
(B) Igneous rock

(C) Mineral
(D) None of these

✅ Correct Answer: Mineral

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Source: This question is taken from the Everyday Science

Latest MCQs

When oil and gas resources are burnt they kill many forests and lakes by ________________ ...?

(A) deforestation
(B) water pollution

(C) acid rain
(D) forest fire

✅ Correct Answer: acid rain

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The total energy of revolving electron in an atom_____________...?

(A) Will always be positive
(B) Can never be positive

(C) Can have any value above zero
(D) Cannot be negative

✅ Correct Answer: Can never be positive

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Fine organic or inorganic particles suspended in air is called _______________...?

(A) particulate pollutant
(B) gaseous pollutant

(C) aerosol
(D) none of these

✅ Correct Answer: aerosol

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The absorption of ink by blotting paper involves__________...?

(A) Viscosity of ink
(B) Capillary action phenomenon

(C) Diffusion of ink through the blotting
(D) Siphon action

✅ Correct Answer: Capillary action phenomenon

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

✅ Correct Answer: Collagen

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Inspiration involves ______...?

(A) Contraction of intercostals muscles
(B) Contraction of diaphragm

(C) Inward movement of ribs
(D) Both a and b

✅ Correct Answer: Both a and b

Comments

Source: This question is taken from the Everyday Science

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