The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called____________...? Mcqs

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The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called____________...?

(A) Sedimentary rocks
(B) Metamorphic rocks

(C) Igneous rocks
(D) All of the above

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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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Myopia is a disease connected with_________...?

(A) Ears
(B) Eyes

(C) Lungs
(D) Brain

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Name the animal which can live without water in its entire life...?

(A) Desert lizard
(B) Camel

(C) Kangaroo rat
(D) Cuttlefish

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Smallpox was eradicated in 1970s. What was the ‘great pox’ which remains active...?

(A) Bubonic plague
(B) Syphilis

(C) Measles
(D) None

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The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer...?

(A) Chemotherapy
(B) Radiation

(C) Surgery
(D) Immunotherapy

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Insulin drug was discovered by____________...?

(A) Charles Herbert Best
(B) Prof John James Rickard Macleod

(C) Sir Frederick Grant Banting
(D) Leonard Thompson

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Activity of enzymes can be enhanced by ____...?

(A) Activator
(B) Inhibitor

(C) Substrate
(D) Coenzyme

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What is the unit for the spring constant...?

(A) Nm
(B) Nm^-2

(C) Nm^-1
(D) Nm^2

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Plants prepare their food in the presence of...?

(A) Hydrogen
(B) Sunlight

(C) Nitrogen
(D) Both A and C

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