For every two K⁺ that are actively transported inwards, how many Na⁺ are pumped out of the cell...? Mcqs

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For every two K⁺ that are actively transported inwards, how many Na⁺ are pumped out of the cell...?

(A) 1
(B) 2

(C) 3
(D) 4

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The element common to all acids is:__________...?

(A) Hydrogen
(B) Carbon

(C) Sulphur
(D) Oxygen

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Communication satellites are used for _____...?

(A) Provide weather forecasting
(B) Mapping

(C) Telecommunication
(D) Space exploration

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“Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that _______________...?

(A) Nothing is impossible
(B) Quinoline is an inhibitor

(C) Quinoline is a catalyst
(D) Quinoline is an activator

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What is the magnetic field at any point in the open space inside the toroid...?

(A) zero
(B) one

(C) Depends on the current in the turns
(D) Depends on number of turns

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Which Halogen exists in liquid state...?

(A) F2
(B) CI2

(C) Br2
(D) I2

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Dental mirror is what type of a mirror...?

(A) Convex mirror
(B) Concave mirror

(C) Plane mirror
(D) none of these

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Main constituent in air is ___________...?

(A) Oxygen
(B) Nitrogen

(C) Hydrogen
(D) Helium

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Vitamin E reduces the requirement of _________ ....?

(A) Iron
(B) Zinc

(C) Selenium
(D) Magnesium

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Which of the following is the hardest substance...?

(A) Copper
(B) Diamond

(C) Iron
(D) Silicon

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