Everyday Science MCQs

5120 MCQs  (Page 239 of 512)

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When Ammonia is used as a refrigerant in vapour compression cycle?
A. Cu tubing used
B. Steel tubes used
C. Both a & b
D. Material does not effect by refrigerant
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Red blood cells are produced in_________?
A. Liver
B. Heart
C. Spleen
D. Bone-marrow
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Which of the following is used for hearing the sound of heart and lungs?
A. Steroscope
B. Stethoscope
C. Oscillator
D. Oncolator
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Genetic information carriers is/are____________?
A. Dna
B. Chromosomes
C. Gene
D. Nucleus
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The number carpels in our feet is__________?
A. 7
B. 14
C. 16
D. 0
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Oxygen is the production of____________?
A. Mitochonderia
B. Chloroplast
C. Peroxisomes
D. Both a & b
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Ageusia is the loss of which sense?
A. Taste
B. Smell
C. Memory
D. Sight
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Any disease or infection that is naturally transmissible from vertebrate animals to humans is called?
A. Zonoses
B. Zoonoses
C. Ananoses
D. Chordnoses
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The solution remaining after the formation of crystals is called ___________________?
A. Mother liquor
B. Dilute solution
C. Residue
D. Both a & b
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If the level of atmospheric pollution increases:
A. The length of the day will increases
B. The length of the day will decreases
C. The length of the day will remain same
D. None of these
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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