The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg...? Mcqs

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The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg...?

(A) 4 days
(B) 12 days

(C) 16 days
(D) 8 days

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Which among the following is not the stage of mitosis...?

(A) Prophase
(B) Metaphase

(C) Cytophase
(D) Anaphase

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What is not included in the living components of the land environment...?

(A) Flowering plants
(B) Iron Rock

(C) Frogs
(D) None

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What is the chemical name of vitamin E...?

(A) Calciferol
(B) Tocopherol

(C) Riboflavin
(D) Phylloquinone

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Anti Diuretic hormone (ADH) also known as Vasopressin, Arginine Vasopressin and agripressin. Is secreted by_________ ...?

(A) Pituitary
(B) Pancreas

(C) Thyroid
(D) Parathyroid

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Analysis deals with the identification of presence of functional groups in compounds is _______...?

(A) Physical qualitative analysis
(B) Analytical qualitative analysis

(C) Organic qualitative analysis
(D) Inorganic qualitative analysis

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What is the reason of kinetic energy...?

(A) resistance
(B) motion

(C) object
(D) all of these

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What is the wavelength of visible spectrum:...?

(A) 1300-3000A
(B) 3900-7600A

(C) 7800-8000A
(D) None of these

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Oxidation is a chemical reaction involving the __________...?

(A) Gain of Electrons
(B) Loss of Electrons

(C) Gain of Protons
(D) Loss of Protons

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Chemically finger nails are made up of ____________...?

(A) Carbohydrate
(B) Fats

(C) protein
(D) Starch

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