The depletion of ozone layer has been caused mainly by _____...? Mcqs

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The depletion of ozone layer has been caused mainly by _____...?

(A) The release of industrial waste
(B) The deforestation of large area land

(C) The release of chlorofluorocarbons into the atmosphere
(D) None of these

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Heat capacity is the product of mass and _______...?

(A) Boiling point
(B) Freezing point

(C) Energy
(D) Specific heat of material

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Plants absorb____during day time to prepare their food....?

(A) Carbon Dioxide
(B) Oxygen

(C) Nitrogen
(D) Hydrogen

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The network of blood capillaries present in the layer of skin ______...?

(A) Epidermis
(B) Dermis

(C) Hypodermis
(D) Endodermis

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The process by which kidney stones are crushed with shock waves is called...?

(A) Laparoscopy
(B) Dementia

(C) Lithotripsy
(D) None of these

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Plants in the garden that are usually pollinated by ______ bear brightly colored flowers....?

(A) Animals
(B) Water

(C) Sunlight
(D) Insects

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If the ratio of solute to solvent is high, the solution is said to be ______...?

(A) Aqueous Solution
(B) Unsaturated Solution

(C) Concentrated Solution
(D) Saturated Solution

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An antibiotic is a drug used to treat infections caused by ...?

(A) Protein
(B) Bacteria

(C) Virus
(D) All of these

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Short sightedness is due to__________...?

(A) Shifting of the iris
(B) Elongation of eyeballs

(C) Weakening of the retina
(D) Weaker muscles

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The α-radiation is _______...?

(A) A stream of fast-moving electrons
(B) A form of electromagnetic radiation

(C) Highly ionizing than γ-radiation
(D) More penetrating than β-radiation

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