Prepistan

Oxygen accounts for ____ % of totals human body mass?

A. 65% B. 18% C. 10% D. 3%

7 years ago

___________ are needed as a source of energy for the vital activities of the body?

A. Calcium B. Iron C. Water D. Carbohydrates

7 years ago

Out of 92 naturally occurring chemical elements how many are considered as bio-elements?

A. 6 B. 16 C. 26 D. 15

7 years ago

__________ is essential for the formation of hemoglobin.

A. Calcium B. Iron C. Water D. Carbohydrates

7 years ago

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

7 years ago

Blood is carried towards the heart by __________?

A. Arteries B. Capillaries C. Veins D. none of these

7 years ago

Sythetic insulin from pork was formed by which technique?

A. Biotechnology B. Social biological techniques C. Parasitology D. Both a and c

7 years ago

On wound __________ fight foreign particles, like bacteria?

A. White Blood cells B. Red Blood Cells C. Platelets D. Plasma

7 years ago

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

7 years ago

About __________ of the body weight of a mammal is water ?

A. 60% B. 65% C. 70% D. 75%

7 years ago

The study of fossils is called?

A. Environmental Biology B. Historical biology C. Palaeontology D. Social biology

7 years ago

The average internal temperature of human body is __________?

A. 35 oC B. 36 oC C. 37 oC D. 38 oC

7 years ago

Which Vitamin is needed for the formation of a light-sensitive pigment in the retina.

A. Vitamin A B. Vitamin C C. Vitamin D D. B complex

7 years ago

Which character differentiates living things from non-living organisms?

A. They live in the same ecosystem. B. They are highly organized and complex made of one or more cells…

7 years ago

People living in high altitudes (like mountains) usually have a _________?

A. smaller number of Red Blood Cells B. larger number of Red Blood Cells C. smaller number of White Blood…

7 years ago

The scientific study of livings is called?

A. Anatomy B. Biology C. Geology D. Zoology

7 years ago

Crop rotation helps in______________?

A. Growth of pathogens B. Soil Infertility C. Slowing of crops growth D. Eradication of disease

7 years ago

Dolly, the sheep was a highly successful clone from a somatic cell, reported back in________?

A. 1993 B. 1994 C. 1995 D. 1996

7 years ago

An educated guess is called:

A. Accumulated Data B. Observation C. Hypothesis D. Conclusion

7 years ago

The science of growing terrestrial plants in an aerated solution is_________?

A. Hydrodynamics B. Hydroponics C. Hydroponics D. None of them

7 years ago
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