The red blood cells originate in the ____________...? Mcqs

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The red blood cells originate in the ____________...?

(A) Brain
(B) Muscles

(C) Ligaments
(D) Bone Marrow

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Natural Radioactivity was discovered by Becquerel in ____________...?

(A) 1766
(B) 1896

(C) 1935
(D) 2001

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In a normal human body, the total number of red blood cells is ________...?

(A) 15 trillion
(B) 20 trillion

(C) 25 trillion
(D) 30 trillion

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The lifespan of Red Blood Cells is __________ days...?

(A) 60
(B) 120

(C) 180
(D) 240

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Other name of white blood cells is _____________...?

(A) Erythrocytes
(B) Leukocytes

(C) Thrombocytes
(D) None of these

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Calcium level in the blood is regulated by the: ___________...?

(A) Thyroid
(B) Parathyroid

(C) Adrenal medulla
(D) A and B

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The point within the Earth where earthquakes originate is _________...?

(A) Comma
(B) Origin

(C) Epicenter
(D) Focus

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By which process copper is refined ____________...?

(A) Roasting
(B) Oxidation

(C) Zone Refining
(D) Electrolysis

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A balanced diet quality formula recommended by World Health Organization is ____________....?

(A) Carbohydrates 58% + Proteins 12% + Fats 30%
(B) Mineral+Proteins+Fats

(C) Fats+Proteins+Minerals
(D) None of these

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Hygrometer is used for measuring the ____________...?

(A) Speed of sound
(B) Density of milk

(C) Humidity of air
(D) Specific gravity of liquids

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The muscles, tissues and blood all are made up of____________...?

(A) Carbohydrate
(B) Proteins

(C) Vitamins
(D) Fats

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Red blood cells are produced in_________...?

(A) Liver
(B) Heart

(C) Spleen
(D) Bone-marrow

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Animal without red blood cells is_________ ...?

(A) Frog
(B) Earthworm

(C) Snake
(D) Crocodile

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Other name of red blood cells is ____________...?

(A) Erythrocytes
(B) Leukocytes

(C) Thrombocytes
(D) None of these

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The lifespan of White Blood Cells is __________ day(s)...?

(A) 1 – 5 days
(B) 3 – 7 days

(C) 4 – 8 days
(D) 5 – 21 days

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