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Essential Biochemistry - Environmental Biochemistry (Section 1)

1
Ozone depleting substances are:
Answer
(C)
Chlorofluorocarbons (CFCs) and halons
2
All of the following are air pollutants, except
Answer
(D)
H2O
3
Organic matter of water are measured by
Answer
(A)
Chemical or chemical oxygen demand
4
Greenhouse effect is due to
Answer
(A)
CO2
5
Normal dissolved oxygen (DO) content of water is
Answer
(B)
4-6 ppm
6
Which of the following for acid rain is not true?
Answer
(D)
It results from water pollutants, nitrogen and hydrogen sulfide gas
7
One of the following air pollutant is responsible for acid rain
Answer
(D)
SO2
8
All of the following are effects of heat stress, except
Answer
(D)
Heat coagulation
9
Failure of temperature regulatory mechanism causes
Answer
(A)
Heat stroke
10
Ozone depleting substances are:
Answer
(C)
Chlorofluorocarbons (CFCs) and halons
11
What is the term for the process of regulating body temperature in response to heat?
Answer
(A)
Thermoregulation
12
Which of the following for acid rain is not true?
Answer
(D)
It results from water pollutants, nitrogen and hydrogen sulfide gas
13
Which of the following is not an effect of air pollution?
Answer
(C)
Improved air quality
14
What is the primary gas involved in the greenhouse effect?
Answer
(C)
Carbon dioxide
15
What type of air pollutants include smoke and fog?
Answer
(A)
Smog
16
All of the following are air pollutants, except:
Answer
(D)
H2O
17
What is the primary cause of cold stress?
Answer
(B)
Low air temperature
18
Which of the following is NOT a sign of heat stroke?
Answer
(C)
Excessive sweating
19
Failure of temperature regulatory mechanism causes:
Answer
(A)
Heat stroke
20
All of the following are effects of heat stress, except:
Answer
(D)
Heat coagulation
21
What is a major source of air pollution?
Answer
(A)
Automobiles
22
Which environmental component includes factors such as water, air, soil, and the sun?
Answer
(A)
Physical environment
23
What is a major source of organic matter in water?
Answer
(B)
Agricultural runoff
24
Greenhouse effect is due to:
Answer
(A)
CO2
25
Normal dissolved oxygen (DO) content of water is:
Answer
(C)
4-6 ppm
26
One of the following air pollutants is responsible for acid rain:
Answer
(D)
SOx
27
What is the result of long-term exposure to arsenic in drinking water?
Answer
(C)
Arsenic poisoning
28
What is a common symptom of heat stroke?
Answer
(B)
High body temperature
29
Which of these is a common indoor air pollutant?
Answer
(A)
Radon
30
Which of these are effects of air pollution on human health?
Answer
A
B
C
31
Which factor does *not* affect heat stress?
Answer
(D)
Altitude
32
Which of the following is a natural source of air pollution?
Answer
(A)
Volcanic eruptions
33
What is the main effect of carbon monoxide poisoning?
Answer
(A)
Interference with hemoglobin's ability to carry oxygen
34
What is the term for a substance that can cause an adverse effect on the environment?
Answer
(A)
Pollutant
35
Which of the following is associated with the formation of acid rain?
Answer
(B)
Sulfur dioxide and nitrogen oxides
36
Which of the following is a biological waterborne disease?
Answer
(C)
Typhoid fever
37
What are the main sources of air pollutants?
Answer
A
B
C
D
38
Organic matter of water are measured by:
Answer
(D)
Biochemical or chemical oxygen demand
39
Which compound is associated with dental fluorosis?
Answer
(B)
Fluoride