Everyday Science MCQs

5120 MCQs  (Page 34 of 512)

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On wound __________ fight foreign particles, like bacteria?
A. White blood cells
B. Red blood cells
C. Platelets
D. Plasma
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Sythetic insulin from pork was formed by which technique?
A. Biotechnology
B. Social biological techniques
C. Parasitology
D. Both a and c
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Blood is carried towards the heart by __________?
A. Arteries
B. Capillaries
C. Veins
D. None of these
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The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called ?
A. Environmental biology
B. Social biology
C. Human biology
D. Both b and c
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__________ is essential for the formation of hemoglobin.
A. Calcium
B. Iron
C. Water
D. Carbohydrates
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___________ are needed as a source of energy for the vital activities of the body?
A. Calcium
B. Iron
C. Water
D. Carbohydrates
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Oxygen accounts for ____ % of totals human body mass?
A. 65%
B. 18%
C. 10%
D. 3%
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The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:
A. An organ
B. A molecule
C. Tissue
D. Both a and c
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Which one of them is a micro-molecule?
A. Polysaccharide
B. Protein
C. Hemoglobin
D. Atp
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A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:
A. An organ
B. An organism
C. A tissue
D. A cell
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Word of the Day
16 Jul
Volatile
(of a substance) easily evaporated at normal temperatures.
بدلتے مزاج والا، کافور صفت

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