BI300 MIDTERM 1 EXAM QUESTIONS
AND ANSWERS 100% PASS
What is toxicology? - ANS actual or potential danger presented by harmful effects of
substance on organism or ecosystem
What is the use for DDT - ANS first used for treatment of malaria,
used for insect control
Why was DDT banned? - ANS is human carcinogen, effected falcon egg thickness
What was the effect of the silent spring - ANS book made public aware of threats of pollution
and toxic chemicals to humans and other species
what concepts were covered in a silent spring - ANS Persistance, Bioacumulation,
Biomagnification
Who is Rachel Carson? - ANS wrote silent spring, Environmental activist specifically talked
about DDT.
What was the london fog - ANS result of people burning coal for heat, temp inbeversion
cause smoke to be clogged then created lethal fog, some could not see there feet
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, What is the boomerang paradigm - ANS what you throw away can come back and hurt you
Who is steven Guilbeault - ANS Minister of environment and climate change of Canada
Who is David piccini - ANS Former minister of environment conservation and parks
What is the Risk Quotient - ANS Exposure/ effect, If outcome greater than 1 is a problem
what is perssitance - ANS things that don't break down get excess exposure are persistent
What is bioaccumulation - ANS in single organism accumulates in over life time, will have
effect if does not break down
What is biomagnification? - ANS higher trophic level buildup more toxin by eating lower
levels, like DDT in falcons
What is sustainble development - ANS development that meets the need of the present
without compromising the future generations
what is the lorax incongruity - ANS Everyone has a bias even if there are doing somthing
good.
what is the reverse onus of proof, - ANS people have to prove they will not hurt the
environment before they do something
what are the three pillars of sustainable development - ANS 1. Social equity
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
AND ANSWERS 100% PASS
What is toxicology? - ANS actual or potential danger presented by harmful effects of
substance on organism or ecosystem
What is the use for DDT - ANS first used for treatment of malaria,
used for insect control
Why was DDT banned? - ANS is human carcinogen, effected falcon egg thickness
What was the effect of the silent spring - ANS book made public aware of threats of pollution
and toxic chemicals to humans and other species
what concepts were covered in a silent spring - ANS Persistance, Bioacumulation,
Biomagnification
Who is Rachel Carson? - ANS wrote silent spring, Environmental activist specifically talked
about DDT.
What was the london fog - ANS result of people burning coal for heat, temp inbeversion
cause smoke to be clogged then created lethal fog, some could not see there feet
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, What is the boomerang paradigm - ANS what you throw away can come back and hurt you
Who is steven Guilbeault - ANS Minister of environment and climate change of Canada
Who is David piccini - ANS Former minister of environment conservation and parks
What is the Risk Quotient - ANS Exposure/ effect, If outcome greater than 1 is a problem
what is perssitance - ANS things that don't break down get excess exposure are persistent
What is bioaccumulation - ANS in single organism accumulates in over life time, will have
effect if does not break down
What is biomagnification? - ANS higher trophic level buildup more toxin by eating lower
levels, like DDT in falcons
What is sustainble development - ANS development that meets the need of the present
without compromising the future generations
what is the lorax incongruity - ANS Everyone has a bias even if there are doing somthing
good.
what is the reverse onus of proof, - ANS people have to prove they will not hurt the
environment before they do something
what are the three pillars of sustainable development - ANS 1. Social equity
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
