How does smoking cigarettes impact the red blood cells...? Mcqs

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How does smoking cigarettes impact the red blood cells...?

(A) Decreases their ability to congeal
(B) Decreases their ability to carry oxygen

(C) Decreases their ability to reach their typical life duration
(D) Decreases their ability to cleanse wounds

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Gamma rays have greatest similarity with...?

(A) a-rays
(B) X-rays

(C) b-rays
(D) U.V.-rays

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How is ammonia synthesized...?

(A) Herber process
(B) Regrigration process

(C) Contact process
(D) All of these

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Organisms that eat all the dead and waste products and returning useful elements to soil and environment are known as...?

(A) Decomposers
(B) Producers

(C) Consumers
(D) None

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The hindrance to the flow of current is called...?

(A) Conductance
(B) Inductance

(C) Resistance
(D) Capacitance

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Colour of the plants is green due to the presence of _________....?

(A) Carbon dioxide
(B) Chlorophyll

(C) Urea
(D) Oxygen

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According to Mosely the chemical properties of elements are the periodic function of their...?

(A) Atomic Size
(B) Atomic Mass

(C) Atomic Radius
(D) Atomic Number

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The speed of sound in aluminium is _____...?

(A) 5620 m/s
(B) 6420 m/s

(C) 7220 m/s
(D) 4820 m/s

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The large plates of solar pannels are painted...?

(A) Red
(B) White

(C) Yellow
(D) Black

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MMR vaccines are given to children to develop resistance against ____...?

(A) Malaria
(B) TB

(C) Measles
(D) Hepatitis

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