Family planning-question bank and answer 1. World population growth rate in 2022 is: a. 0.83% b. 1% c.1.5% d. 1.35% 2. In 2022, the following country has the highest population growth rate: a. America b. Japan c. India d. China 3. Population growth rate of Nepal in 2078 is: a.1% b. 0.93% c. 1.5% d. 0.5% 4. Family planning is important for: a. To make the family happy b. Better mental health c. Better child health d. Above all 5. What is the target couple? a. Married couple of 15-49 years b. Couple having two children c. Couple having 2-3 alive children d. Currently married couple 6. Eligible couple means: a. 15-45 yrs. of age with a married couple b. Married co...
MCQs on environmental health
1. The
following is not surface water:
a. Pond
b. Spring
c. River, Lake
d. Stream
2. Which of
the following disease is due to snail?
a. Fish tapeworm
b. Thread
worm
c.
Schistosomiasis
d. Hydatid
disease
3. The vital
layer of the slow sand filter is also called:
a. Sandbed
layer b. Superficial layer
c. Chemical
layer d. Schmutzdecke
4. Chlorination of water helps in:
a. Kills
pathogenic bacteria, and controls the growth of algae.
b. Assists in coagulation
c. Damage
some taste and odor-producing elements
d. Above
all
5. The meaning of breakpoint
chlorination is:
a. After partial saturation of chlorine
water
b. Start of the chlorination process
c. When
free residual chlorine starts appearing
d. End of the chlorination process
6. Cheapest and effectual method of disinfecting wells is by:
a.
Iodine b. Bleaching powder
c. Chlorine
gas solution
d. Potassium
permanganate
7. Water
pollution is indicated by:
a.
Fluoride b. Nitrate
c. Ammonia d. Above all
8. The
following are bacteriological indicators
of water contamination except:
a. Faecal
streptococci b. E. coli
c. Cl. perfringers
d. S. typhi
8. Major air pollutant is:
a. Nitrogen
dioxide
b. Carbon
monoxide
c. Lead d. Sulpher dioxide
9. The
following is caused by Permanent hardness of water except:
a. Mag. sulfate b. Cal. chloride
c. Cal. bicarbonate
d. Mag. nitrate
10. The
following is a disadvantage of hard water:
a. Spoils the
natural color and appearance of cooked food
b. Consumes
more soap and detergents
c. Causes
scaling of boilers and increased fuel consumption
d. Above
all
11. Soiling index is an indicator of:
a. Air
pollution b. Water pollution
c. Excreta
pollution d. Sand pollution
12. Audiometer
measures the:
a. Frequency
of sound
b. Hearing
ability
c. Intensity
of sound
d. Noise in the meeting hall
13. Most
harmful radiation is:
a. Beta
particles b. Alpha particles
c. Protons d. Gamma rays
14. Prolonged
exposure to high-temperature excessive sweating and circulatory failure is
called Heat exhaustion.
15. Working in an environment with high temperature, and lack of sweating is called Heatstroke.
16. Body pain
due to working in an environment with high temperatures is called Heat cramps.
17. Prolonged
exposure to heat resulting in fainting is called Heat syncope.
18. The
following type of radiation has the deepest penetrating ability:
a. Beta
particles b. X-ray
c. Alpha particles d. Gamma rays
19. Kata
thermometer is measuring the:
a. Minimum
temperature
b. Radiant
heat
c. Cooling
power of the air
d. Maximum
temperature
20. Most
effective sanitation barrier is:
a. Protection
of foods
b. Protection
of water supplies
c. Control of
flies
d.
Segregation of feces and its proper disposal
21. Food and vegetable-related wastes are
called Garbage.
22. Solidwastes from houses, streets, and industries in the city are called Refuse.
23. Domestic
refuse like plastics, paper, wood, metal, etc. are called Rubbish.
24. Wastewater containing solid and liquid excreta is called Sewage.
25. Wastewater without human excreta is called Sullage.
26. Solids
settle down in the septic tank is called Sludge.
27. Lighter solid with grease and fat rise
to the surface is called Scum.
28. Liquid
that passes out of the outlet pipe contains more bacteria, ova, cysts, and organic
matter and is called Effluent.
29. The
following is the most unsanitary method of refuse disposal goes:
a.
Burial b. Dumping
c.
Composting d. Sanitary landfill
30. In which
type of latrine is required ‘Auger’?
a.
Trench b. Borehole
c. Water
seal d. Dug well
31. Shallow
Trench latrine is used for camps of short duration and a deep trench
latrine is used for camps of long duration.
32. The
amount of sewage that flows through the sewage system in 24
hrs. is called Dry weather flow.
33. Incineration
is the best method for hospital waste management or the best method where land is
unavailable.
34. Wastewater including solid and liquid excreta is called:
a.
Sullage b. Refuse
c. Sewage d. Garbage
35. Aerobic
digestion of sludge takes place in:
a. Activated
sludge
b.
Trickling filter
c. Broad
irrigation
d. Septic
tank
36. The
choice for camps of short duration is:
a. Pit
latrine b. Aqua privy
c. Trench hole d. Chemical closet
37. In rural
areas waste disposal can be managed by:
a.
Burning b. Manure pit
c.
Dumping d. Composting
38. Globe
thermometer is an instrument that is used to measure radiant heat.
39.
Anemometer is used to measure high wind velocities.
40. Kata
thermometer is used to measure low air velocities.
41. Sling
psychrometer is used to measure relative humidity.
42. Under
high atmospheric pressure, the most fatal complication that can happen to
drivers is:
a. Myocardial
infarction
b. Rupture of the spleen
c. Pulmonary
edema
d. Air
embolism
43. Fatal
dose of total body irradiation is:
a. 50 roentgen b. 25 roentgen
c. 400 roentgen
d. 800 roentgen
44. Noise pollution
control can be managed by:
a.
Legislation
b. Protection
of exposed persons
c. Control of
noise at source
d. Above
all
45. Auditory fatigue presents at:
a. 80 dB b. 90 dB
c. 100
dB d. 65 dB
46. Excessive
nitrate in drinking water can lead to:
a.
Hypothyroidism
b.
Nephrotoxicity
c. Encephalomalacia
d. Methemoglobinemia
47. Sodium permutit as a compound is used
for:
a.
Disinfection of large body of water
b. Removal
of the hardness of water
c. Testing
the residual chlorine
d.
Disinfection of water of well
48. The given
statement are standards for water quality for drinking water except:
a. Nitrites
should be zero
b. Turbidity
must be less than 5 units
c. Desirable
level of chloride is 200 mg/L
d. Total
hardness should be below 50 mg/L
49. During
chlorination of the well, the following process is done except:
a. Estimation
of chlorine demand
b. Estimation
of volume
c. Contact
period of one hour
d. Put
bleaching powder directly into the well
50. Free
chlorine levels mentioned in drinking water are:
a. 1 mg/L for
one hour
b. 0.5
ml/L for 1 hour
c. 2 mg/L for
one hour
d. More than
2 mg/L for 1 hour
51.
Orthotoludine-arsenite test determines the:
a. Hardness
of water
b. Mixed
chlorine in the water
c. The dose
of bleaching powder required for disinfection of water
d. Both
free and mixed chlorine of water separately
52. In normal
dose, chlorination does not effect
a. HIV b. Shigella
c. Polio
virus d. Salmonella
53. …….. is not a waterborne disease:
a.
Poliomyelitis, Giardiasis
b. Weil’s
disease
c.
Kala-azar d. Roundworm
54. Salt concentration in seawater is:
a. 2%
b. 1.5%
c. 3.5% d. 5%
55. In
nature, the purest water is from:
a. Ponds b. Rain
c. Lakes d. Springs
56. Advantages
of groundwater has the following except:
a. Likely
to be hard
b. Usually
requires no treatment
c. Supply is
likely to be certain even during the dry season
d. Likely to
be free from pathogenic organisms
57. All are
true about slow sand filters except:
a. Filters
are washed by scraping the sand bed
b. Removal of
bacteria is better achieved than rapid sand filters
c.
Operation is highly skilled
d. Occupies a large area
58. Action of
slow sand filter depends on:
a.
Superficial layer
b.
Zoogleal layer
c. Size of
sand particles
d. Sand
compactness
59. The
statements are true about chlorination except:
a. Water
should not be turbid
b. The demand
for chlorine should be estimated
c. Contact
period is 30 minutes
d. Free
chlorine 0.5 mg/L for 1 hour
60. The
following is correct about standards of water quality:
a. Allowable
ph of drinking water is between 6.5 and 8.5
b. Soft water
is corrosive to water pipes
c. Presence
of ammonia compromises disinfection efficiency
d. Above
all
61. The following is not correct about ultraviolet
irradiation for water purification:
a. Useful
in turbid water also
b. Quartz
mercury lamps used for UV radiation
c.
Overexposure has no harmful effect
d. Useful for
institutional system
62. Horrock’s
apparatus is used to calculate the dose of:
a. Chlorine
gas
b. Perchloron
only
c. Potassium
permanganate
d.
Bleaching powder
63. Coliform
organisms cover:
a. Any gram
negative motile bacilli
b. E.coli
c. Aerobic and facultatively anaerobic gram-negative, non-
sporing, motile, and non-motile rods capable of fermenting lactose
d. none
64. Permanent and temporary hardness can
be removed by:
a.
Permutit process b. Boiling
c. Addition
of lime d. Above all
65.
Photochemical oxidant responsible for pollution is:
a.
Aldehydes b. Ozone
c. Benzene
d. Vinyl chloride
66. Air
pollution can lead to the following one:
a.
Impetigo b. Bronchial asthma
c. Chronic
bronchitis
d. None of
the above
67. Permanent
hearing loss happens with continuous exposure to noise over:
a. 50 dB b. 75 dB
c. 120
dB d. 100 dB
68. The
following is non-ionizing radiation:
a. UV
radiation
b. Alpha
radiation
c. Gamma
radiation
d. Beta
radiation
69. The
following is not a transient symptom of high altitude sickness:
a.
Oliguria b. Nausea
c.
Insomnia d. Impaired vision
70. Phono
is the psycho-acoustic index of loudness.
71. The
definition of overcrowding is 2 persons above 9 years of age, not
husband and wife, of the opposite sex, are obliged to sleep in the same room.
72. The noise
level of…………., then rupture of the eardrum may happen:
a. 80 dB b. 70 dB
c. 130
dB d. 160 Db
73. In-hospital ward, the allowable noise level is:
a. 20-35 b. 40-45
c. 10-15 d. 50-60
74. Factor
responsible for smog is:
a.
Temperature inversion
b. Increase
in humidity
c. Heat
island phenomenon
d. Lack of
air movement
75. The
maximum floor area per person for occupancy is:
a. 55 sq.
ft b. 75 sq. ft
c. 100 sq.
ft d. 120 sq. ft
76. The
following are physiological changes caused by noise except:
a. Reduced
night vision
b.
Pupillary dilatation
c. Rise in
intracranial pressure
d. Rise in
blood pressure and heart rate
77. Unit of
absorbed dose of radiation is:
a. Joule per
kg b. Rad
c. Roentgen d. Coulomb/kg
78. Frequency
range of ……..then, temporary hearing loss happens:
a. 9000-11000
Hz
b.
4000-6000 Hz
c. 3000-5000
Hz
d. 7000-9000
Hz
79. Per year
total natural radiation is:
a. 0.5
rad b. 1 rad
c. 0.1 rad
d. 0.01 rad
80. Oxidation
pond is a method used for:
a. Disposal
of sullage
b. Water
purification
c. Sewage
treatment
d. Solid
waste disposal
81. Sullage
contains:
a. Inorganic
waste
b. Wastewater from the kitchen
c. Solid
vegetable waste matter
d. Waste
containing human excreta
82. Best
method of disposal of hospital waste/refuge is Incineration.
83. Which
type of latrine is used ‘Trap’
a. RCA latrine
b. Borehole
latrine
c. Chemical
closet
d. Dug well
latrine
84. Where
land is available, then the most satisfactory method of refuse disposal is:
a.
Composting b. Dumping
c.
Controlled tipping
d.
Incineration
85. The depth
of the pit latrine is:
a. 3-5
feet b. 6-10 feet
c. 5-7
feet d. 10-12 feet
86.
Controlled tipping is a method of disposal of:
a.
Sullage b. Sewage
c. Refuse
d. Excreta
87. The depth
of the water seal in the RCA latrine is 2 cm.
88. For a
small community, an inexpensive and efficient method of sewage disposal is:
a. Trickling
filter b. River outfall
c. Oxidation
pond d. Activated sludge
89. The given
options are indicators of the organic content of the sewage:
a.
Biochemical oxygen demand
b. E. coli
count
c. Suspended
solids
d. All of
above
90. From a
source of contamination, drinking water must be ….. Feet away:
a. 25 b. 70
c. 50 d. 100
91. Trench
method of refuge disposal is a type of Controlled tipping.
92. Strength
of sewage is termed as of all except:
a. Chemical
oxygen demand
b. E. coli
count
c. Suspended
solids
d.
Biochemical oxygen demand
93. An
oxidation pond requires…………for proper functioning:
a. Algae,
human pathogenic bacteria, and sunlight
b. Algae,
sunlight, and ferns
c. Algae,
saprophytic bacteria, and sunlight
d. Algae,
scavenging bacteria, and sunlight
94. All are true about septic tanks except:
a. Anaerobic
oxidation inside and aerobic oxidation outside
b. Minimum capacity should be at least 5
hundred gallons
c. Covered with concrete slab and
provided with a manhole
d.
Standing period is 1 week
95.
Biochemical oxygen demand of strong sewage is:
a. 50 mg/L b. 200 MG/L
c. 150
mg/L d.300 mg/L
96. Allowable
radiation exposure is:
a. 1 rad per
year b. 4 rad/year
c. 6
rad/year d. 7 rad/year
97. At high altitude, a person having suffered
from pulmonary edema requires immediate:
a. Artificial
respiration
b. Suction of
pulmonary fluids
c. Antibiotic
therapy
d. Carry
the patient to the lower altitude
98. The given
options are not the physiological effect of low pressure at high altitude:
a. Increased
cardiac output
b. Increased
respiration
c. Increased
concentration of urine
d. Increased
concentration of Hb
99. Guinea worm disease found where there are:
a. Dug
wells b. Step wells
c. Artesian
wells d. Tube wells
100. ..........provides
the safest water and are most satisfactory sources of water supply:
a.
Springs b. Shallow well
c. Deep well
d. Artesian well
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