The amount of solid waste or concentration of gases other than oxygen increase in atmosphere is called...? Mcqs

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The amount of solid waste or concentration of gases other than oxygen increase in atmosphere is called...?

(A) Air pollution
(B) Ozone depletion

(C) Acid rain
(D) Greenhouse effect

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What will be the result if you put yeast in dough...?

(A) The dough will become sour
(B) The dough will become harder

(C) The dough will become smaller
(D) The carbon dioxide will be released

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The thermosphere extends from an altitude of ________ to the base of ________ at ________...?

(A) 75 km, Mesosphere, 670 km
(B) 80 km, Ionosphere, 680 km

(C) 85 km, Exosphere, 690 km
(D) 90 km, Ozone Layer , 690 km

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Water at 4 degrees centigrade has...?

(A) Minimum density
(B) Maximum density

(C) No density
(D) None of these

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During which process does heat transfer occur because of density differences__________...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None of these

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The error caused by improper functioning of instrument is ______...?

(A) Determinant Error
(B) Systematic Error

(C) Indeterminant
(D) A and B

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If an opaque object is moved further away from the light source, the shadow gets _____...?

(A) Smaller
(B) Bigger

(C) Darker
(D) Lighter

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Which of the following is an example for cantilever beam...?

(A) Diving board
(B) Bridge

(C) See-saw
(D) Common balance

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‘Magnetometer’ is used to measure: ______________...?

(A) Air Pressure on Ships
(B) Electromagnetic Force in Space Devices

(C) Changes in the Earth’s Magnetic Field
(D) Changes in Oceanic Current

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What is the body temperature of a normal man...?

(A) 81.1 °C
(B) 37.0 °C

(C) 98.6 °C
(D) 21.7 °C

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