VIBS 422 Exam Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Who is the author of "The Third Wave"?
Answer:
Alvin Toffler
Q: What is "The Third Wave" about?
Answer:
Transition from hand production to machine, chemical manufacturing, and iron
production, improved efficiency of water power, the increasing use of steam power
and development of machine tools.
Q: What country did the Industrial Revolution begin?
Answer:
Britain
Q: What are the major consequences of deforestation?
Answer:
Increased CO2 due to carbon absorption stopping, decrease O2 in atmosphere,
global warming bc carbon is released in atmosphere as CO2.
Q: What is a point source? Give 3 examples.
Answer:
Easiest to identify and control, can be reduced and monitored. EX) waste from
sewage system, power plants, and coal mines
Q: What is a non-point source? Give 3 examples
Answer:
Hard to control.
EX) movement of rain and snow, runoff fertilizers from farm, storm water
drainage from lawns, and parking lots and streets.
Q: Define EDCs
, Answer:
endocrine disruptive chemicals... man-made synthetic chemicals and natural
phytoestrogens that act on the endocrine system by mimicking. Blocking or
interfering with the natural hormones pathway.
Q: EDC Mechanism
Answer:
-Mimicking, blocking or interfering with natural hormone pathway by recognizing
receptors
-Antagonizing the effect of hormones by blocking their receptors
-reacting directly and indirectly with the hormone
-altering natural pattern of synthesis of hormones
-altering hormone receptor levels
Q: Name EDCs that are highly predominant in day to day life
Answer:
PCBs, Dioxins, PAHs, Heavy Metals, Phthalates, DES
Q: Persistent EDCs
Answer:
More stable, therefor last longer in the environment. EX) DDT and PCBs
Q: Non-Persistent EDCs
Answer:
EX) TBT, BPA, and Phthalates
Q: What is the drawback in producing GM crops?
Answer:
They kill the non-target organisms
Q: endocrine hormones
Answer:
act at a distant site
Q: paracrine hormones
Latest 2026 Update
Q: Who is the author of "The Third Wave"?
Answer:
Alvin Toffler
Q: What is "The Third Wave" about?
Answer:
Transition from hand production to machine, chemical manufacturing, and iron
production, improved efficiency of water power, the increasing use of steam power
and development of machine tools.
Q: What country did the Industrial Revolution begin?
Answer:
Britain
Q: What are the major consequences of deforestation?
Answer:
Increased CO2 due to carbon absorption stopping, decrease O2 in atmosphere,
global warming bc carbon is released in atmosphere as CO2.
Q: What is a point source? Give 3 examples.
Answer:
Easiest to identify and control, can be reduced and monitored. EX) waste from
sewage system, power plants, and coal mines
Q: What is a non-point source? Give 3 examples
Answer:
Hard to control.
EX) movement of rain and snow, runoff fertilizers from farm, storm water
drainage from lawns, and parking lots and streets.
Q: Define EDCs
, Answer:
endocrine disruptive chemicals... man-made synthetic chemicals and natural
phytoestrogens that act on the endocrine system by mimicking. Blocking or
interfering with the natural hormones pathway.
Q: EDC Mechanism
Answer:
-Mimicking, blocking or interfering with natural hormone pathway by recognizing
receptors
-Antagonizing the effect of hormones by blocking their receptors
-reacting directly and indirectly with the hormone
-altering natural pattern of synthesis of hormones
-altering hormone receptor levels
Q: Name EDCs that are highly predominant in day to day life
Answer:
PCBs, Dioxins, PAHs, Heavy Metals, Phthalates, DES
Q: Persistent EDCs
Answer:
More stable, therefor last longer in the environment. EX) DDT and PCBs
Q: Non-Persistent EDCs
Answer:
EX) TBT, BPA, and Phthalates
Q: What is the drawback in producing GM crops?
Answer:
They kill the non-target organisms
Q: endocrine hormones
Answer:
act at a distant site
Q: paracrine hormones
