Eugenics is the study of___________________...? Mcqs

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Eugenics is the study of___________________...?

(A) Altering human beings by changing their genetic components
(B) People of European region

(C) Different races of mankind
(D) Genetic of plants

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When the wire is connected and bulb is lit, this is called...?

(A) Open Circuit
(B) Close Circuit

(C) Short Circuit
(D) Series Circuit

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Which vitamin is available to the human body through sun bathing...?

(A) Vitamin A
(B) Vitamin D

(C) Vitamin K
(D) Vitamin B12

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Which one of the following is not a way to reduce friction...?

(A) Smooth and polishing surfaces
(B) Less contact area

(C) Oil and lubricants
(D) Ball bearing and rollers

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The speed of sound is maximum in _____...?

(A) Gases
(B) Solids

(C) Liquids
(D) Plasma

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The day and night are formed due to 'Earth' rotation on its own axis from...?

(A) North to South
(B) South to North

(C) East to West
(D) West to East

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Percentage of oxygen in human body is _____...?

(A) 65%
(B) 70%

(C) 10%
(D) 18%

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The location below the Earth's surface where the earthquake starts is called...?

(A) Epicenter
(B) Hypocenter

(C) Tectonic center
(D) All of these

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The materials required for respiration are ______...?

(A) Glucose (C6H12O6) and Oxygen (O2)
(B) Glucose (C6H12O6) and Water (H2O)

(C) Carbon Dioxide (CO2) and Water (H2O)
(D) Oxygen (O2) and Light Energy

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If the green leaves are placed under red light, their color will become________...?

(A) Green
(B) Black

(C) Red
(D) Blue

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