As a result this flow of energy from a region of high temperature to a region of low temperature is...? Mcqs

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As a result this flow of energy from a region of high temperature to a region of low temperature is...?

(A) The warmer materials cool down and cooler materials warm up
(B) The warmer materials become warmer and the cooler materials become cooler

(C) The temperature remains the same
(D) The energy is lost forever

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Bimetallic strip is used in _____...?

(A) Electric fan
(B) Electric motor

(C) Electric iron
(D) Electric toaster

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The process of separation of an insoluble solid from a liquid by passing it through filter paper is called...?

(A) Filtration
(B) Decantation

(C) Sedimentation
(D) Centrifugation

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Which mineral is required in a lesser amount for body function and is also part of bones...?

(A) Calcium
(B) Phosphorus

(C) Potassium
(D) Magnesium

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Diamond is an allotropic form of_______...?

(A) Carbon
(B) Hydrogen

(C) Nitrogen
(D) Silicon

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Secondary wall is made up of ______...?

(A) Pectin and cellulose
(B) Cellulose and protein

(C) Cellulose and lignin
(D) Lignin and pectin

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Almost identical eclipses occur after 18 years and 11 days. This cycle is known as__________...?

(A) Partial Eclipse cycle
(B) Total Eclipse Cycle

(C) Saros Cycle
(D) None of the above

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Fruit plant that flowers only once in lifetime...?

(A) Mango
(B) Ground Nut

(C) Banana
(D) Peach

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In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________...?

(A) Electroplating
(B) Annealing

(C) Galvanization
(D) Vulcanization

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Water percentage in plasma is _____...?

(A) 80%
(B) 90%

(C) 60%
(D) 70%

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