Which gas does a Photocopier machine produce...? Mcqs

Latest MCQs

Which gas does a Photocopier machine produce...?

(A) Ozone
(B) carbon dioxide

(C) Sulfur dioxide
(D) None of these

Latest MCQs

Which are the found in fruits, vegetables, grains and sea food...?

(A) Minerals
(B) Enzymes

(C) Hormones
(D) Fats

Latest MCQs

A rocket needs the speed of _______ to escape from earth’s gravity...?

(A) 22 miles per second
(B) 15 miles per second

(C) 12 miles per second
(D) 7 miles per second

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White bloods cells are also known as________...?

(A) Thrombocytes
(B) Leucocytes

(C) Erythrocytes
(D) None of These

Latest MCQs

What happens when oil is burnt...?

(A) Carbon dioxide and energy will be released
(B) Carbon monoxide and water will be released

(C) Oxygen and carbon will be released
(D) Nitrogen and hydrogen will be released

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pH value of Blood or Red Blood Cells ...?

(A) 5
(B) 6

(C) 7.35-7.45
(D) 8-10

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The atmospheric greenhouse effect is produced mainly by the __________________...?

(A) Absorption and re-emission of visible light by the atmosphere
(B) Absorption and re-emission of ultraviolet radiation by the atmosphere

(C) Absorption and re-emission of infrared radiation by the atmosphere
(D) Absorption and re-emission of visible light by clouds

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What is a function of the rough endoplasmic reticulum...?

(A) Aerobic respiration
(B) Intracellular digestion

(C) Synthesis of steroids
(D) Synthesis of protein

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Which of the following female mosquito is the cause of Dengue fever...?

(A) Aedes Aegypteis
(B) Anophilies

(C) Barinohils
(D) N.O.A

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A _____ is used in submarines to monitor the surface of water....?

(A) Periscope
(B) Telescope

(C) Kaleidoscope
(D) Binoculars

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