Biology MCQs

1496 MCQs  — Everyday Science MCQs  (Page 6 of 150)

Attempt Biology Quiz
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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Haemodialysis means cleaning of____________?
A. Urine
B. Blood
C. Glomerular filterate
D. Coelomic fluid
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In animals coordination is achieved by means of?
A. Nervous system
B. Endocrine system
C. Respiratory system
D. Both a and b
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Production of sweat and sebum is related with ?
A. Skin
B. Liver
C. Lungs
D. Git
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Word of the Day
12 Jul
Obdurate
stubbornly refusing to change one’s opinion or course of action.
ضدی، بدکار، سنگدلی

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