A. Polysaccharide
B. Protein
C. Hemoglobin
D. ATP
Biology
Oxygen accounts for …. % of totals human body mass?
A. 65%
B. 18%
C. 10%
D. 3%
……….. are needed as a source of energy for the vital activities of the body?
A. Calcium
B. Iron
C. Water
D. Carbohydrates
Out of 92 naturally occurring chemical elements how many are considered as bio-elements?
A. 6
B. 16
C. 26
D. 15
………. is essential for the formation of hemoglobin.
A. Calcium
B. Iron
C. Water
D. Carbohydrates
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
Blood is carried towards the heart by ……….?
A. Arteries
B. Capillaries
C. Veins
D. none of these
Sythetic insulin from pork was formed by which technique?
A. Biotechnology
B. Social biological techniques
C. Parasitology
D. Both a and c
On wound ………. fight foreign particles, like bacteria?
A. White Blood cells
B. Red Blood Cells
C. Platelets
D. Plasma
The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by ?
A. Molecular biologists
B. Microbiologists
C. Freshwater biologists
D. Social biologist