Color of the glow produced in the discharge tube:...? Mcqs

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Color of the glow produced in the discharge tube:...?

(A) depends on the pressure in the discharge tube
(B) depends on the metal used as cathode

(C) depends on the gas used in the discharge tube
(D) does not depend on the nature of the gas used in the discharge tube

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Who discovered that the earth was not the center of the universe...?

(A) Aristotle
(B) Nicolaus Copernicus

(C) Sir Isac Newton
(D) None

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Which mineral is involved in formation of a hormone that is required to produce energy...?

(A) Copper
(B) Magnesium

(C) Calcium
(D) Iodine

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The hormone ADH release from ______...?

(A) Pituitary gland
(B) Kidneys

(C) Liver
(D) Lungs

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An optical instrument which is used measure the properties of visible light is called...?

(A) Microscope
(B) Telescope

(C) Spectroscope
(D) Oscilloscope

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How many rows in the modern Periodic Table...?

(A) 5
(B) 6

(C) 7
(D) None of these.

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Relaxation of heart muscles and allowing the chambers to fill with blood called...?

(A) Diastole
(B) Systole

(C) Cardiac arrest
(D) Heart failure

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The blotting paper helps observe liquid by__________...?

(A) Surface Action
(B) Capillary Action

(C) Viscosity
(D) Boldness

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Friction can be reduced by changing from _________...?

(A) Rolling to sliding
(B) Sliding to rolling

(C) Dynamic to static
(D) Potential energy to kinetic energy

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When carbon dioxide is released in the dough, what will be result...?

(A) It rises up
(B) It rises down

(C) It became harder
(D) None

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