“Green House Effect” means:____________...? Mcqs

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“Green House Effect” means:____________...?

(A) Pollution
(B) Prevention of ultraviolet rays

(C) Trapping of Solar energy due to atmospheric carbon dioxide
(D) D. None

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All forms of energy that we use are ultimately transformed into__________...?

(A) Electrical Energy
(B) Heat Energy

(C) Light Energy
(D) Chemical Energy

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What kind of weathering takes place on the valley side above the surface of the glacier...?

(A) Plucking
(B) Abrasion

(C) Chemical weathering
(D) Frost shattering

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Which of the following is not an example of concave mirror...?

(A) Cosmetic mirror
(B) Dentist mirror

(C) Security mirror
(D) Car headlight mirror

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In a railway track, two rails are joined end to end with a gap tin between them because...?

(A) Steel can be saved
(B) Accidents due to contraction in winter can be avoided

(C) Air gaps are necessary for bearing the weight of running train
(D) Accidents due to expansion in summer can be avoided

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The volume of Blood in a Human body to be approximately _________ of body weight...?

(A) 6%
(B) 7%

(C) 8%
(D) 9%

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Microorganisms are classified into how many main groups...?

(A) 2
(B) 3

(C) 4
(D) 5

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‘Christian Friedrich Schönbein’ discovery is___________...?

(A) Ozone
(B) Radium

(C) Cholorine
(D) Neutron

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The average human body contains how many pints of blood...?

(A) 3 to 5 pints
(B) 5 to 7 pints

(C) 7 to 8 pints
(D) 9 to 12 pints

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Which one from among the following is not an example of wedge...?

(A) Axe
(B) Ramp

(C) Knife
(D) Push pin

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