Optic fibers are mainly used for which of the following:...? Mcqs

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Optic fibers are mainly used for which of the following:...?

(A) Communication
(B) Weaving

(C) Food indudtry
(D) None of these

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An average human heart beats about time in a minute...?

(A) 72 times
(B) 85 times

(C) 90 times
(D) 120 times

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The major source of quick energy for our body is...?

(A) Carbohydrates
(B) Mineral

(C) Vitamin
(D) Protein

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Day and night are the results of__________...?

(A) Earth rotation around its axis
(B) Earth revolution

(C) Earth rotation accompanied with its revolution.
(D) None of these

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Chromosomes first become visible during which phases of mitosis:...?

(A) Prometaphase
(B) Telophase

(C) Prophase
(D) Metaphase

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Bio elements considered as vital for life are ______ members or in numbers....?

(A) 13
(B) 12

(C) 14
(D) 16

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The planets visible to us without using a telescope are __________...?

(A) 3
(B) 4

(C) 5
(D) 6

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How many joule are there in one calorie...?

(A) 2.6
(B) 2.8

(C) 4.2
(D) 3.4

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The maximum number of electrons K orbit possesses...?

(A) 2
(B) 4

(C) 6
(D) 8

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Each mole of glucose produce maximum energy i.e ______...?

(A) 2527 Kj
(B) 2627 Kj

(C) 2727 Kj
(D) 2827 Kj

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