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Biology Mcqs

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

  • (A)  60%
  • (B)  65%
  • (C)  70%
  • (D)  75%
Submitted By :Ali Uppal


The study of fossils is called?

  • (A)  Environmental Biology
  • (B)  Historical biology
  • (C)  Palaeontology
  • (D)  Social biology
Submitted By :Ali Uppal


The average internal temperature of human body is __________?

  • (A)  35 oC
  • (B)  36 oC
  • (C)  37 oC
  • (D)  38 oC
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


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 and contain genetic material
  • (C)  They are acted upon by the same environment
  • (D)  Both a and b
Submitted By :Ali Uppal


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 Cells
  • (D)  larger number of White Blood Cells
Submitted By :Ali Uppal


Crop rotation helps in______________?

  • (A)  Growth of pathogens
  • (B)  Soil Infertility
  • (C)  Slowing of crops growth
  • (D)  Eradication of disease
Submitted By :Ali Uppal


Submitted By :Ali Uppal


An educated guess is called:

  • (A)  Accumulated Data
  • (B)  Observation
  • (C)  Hypothesis
  • (D)  Conclusion
Submitted By :Ali Uppal


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

  • (A)  Hydrodynamics
  • (B)  Hydroponics
  • (C)  Hydrotonics
  • (D)  None of them
Submitted By :Ali Uppal