A device which converts chemical energy into electrical energy is called __________...? Mcqs

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A device which converts chemical energy into electrical energy is called __________...?

(A) motor
(B) generator

(C) moving-coil meter
(D) battery

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A group of similar cells combine together to form _____...?

(A) Organ
(B) System

(C) Cell
(D) Tissue

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Mostly which gases found of the planet Jupiter...?

(A) Hydrogen
(B) Chlorine

(C) Hydrogen and Helium
(D) Neon

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Which of the following ocean is the most polluted ocean of the world...?

(A) Indian Ocean
(B) North Pacific Ocean

(C) Arctic Ocean
(D) None of the above

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The power of combining of an atom with other atoms to form molecules or compounds is called...?

(A) Atomic Mass
(B) Valency

(C) Electronegativity
(D) Ionization Energy

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The isotope C-12 is present in abundance of _______...?

(A) 96.9%
(B) 97.6%

(C) 98.8%
(D) 99.7%

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The Renaissance scientist who explained how planets moved around the sun was...?

(A) Kepler
(B) Rebelais

(C) Francis Bacorr
(D) Gutenber

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On which disease did Robert Koch work...?

(A) Tuberculosis
(B) Cholera

(C) Malaria
(D) Diabetes

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In which pollination, mature pollen grains from anther of one flower are transferred to the stigma of flower on another plant of the same kind...?

(A) Self Pollination
(B) Cross Pollination

(C) Artificial Pollination
(D) Hybrid Pollination

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Disolved oxygen (DO) in water should be...?

(A) 400 to 800 ppm
(B) 4000 to 8000 ppm

(C) 0.4 to 0.5 ppm
(D) 4 to 5 ppm

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