BIOLOGY 171 EXAMINATION SET 2026
SOLVED QUESTIONS GRADED A+
● Biogeochemical Cycle. Answer: Process in which elements, chemical
compounds, and other forms of matter are passed from one organism to
another and from one part of the biosphere to another
● Biosynthesis. Answer: The process by which living organisms
produce larger molecules from smaller ones.
● Bioavailable. Answer: The ability of a nutrient to be readily absorbed
and used by the body
● Chitin. Answer: A modified polysaccharide containing nitrogen that
makes up the cell walls of fungi and the hard exoskeletons of arthropods.
● Dead Zones (in oceans). Answer: Hypoxic (low-oxygen) areas in the
world's oceans and large lakes, caused by "excessive nutrient pollution
from human activities coupled with other factors that deplete the oxygen
required to support most marine life in bottom and near-bottom water.
● Decomposers. Answer: An organism that breaks down dead tissues,
feeding on the dead cells or bodies of other organisms
SOLVED QUESTIONS GRADED A+
● Biogeochemical Cycle. Answer: Process in which elements, chemical
compounds, and other forms of matter are passed from one organism to
another and from one part of the biosphere to another
● Biosynthesis. Answer: The process by which living organisms
produce larger molecules from smaller ones.
● Bioavailable. Answer: The ability of a nutrient to be readily absorbed
and used by the body
● Chitin. Answer: A modified polysaccharide containing nitrogen that
makes up the cell walls of fungi and the hard exoskeletons of arthropods.
● Dead Zones (in oceans). Answer: Hypoxic (low-oxygen) areas in the
world's oceans and large lakes, caused by "excessive nutrient pollution
from human activities coupled with other factors that deplete the oxygen
required to support most marine life in bottom and near-bottom water.
● Decomposers. Answer: An organism that breaks down dead tissues,
feeding on the dead cells or bodies of other organisms
