Environmental Chemistry Mcqs For BS/MSc/MA/Mphil/Phd/CSS/PMS/PPSC/FPSC..
1- COVID-19 may also be categorized in……….
a. Air pollution
b. Outdoor Air Pollution
c. Indoor Air Pollution
d. Both B and C
Ans. B
2-The major outdoor air pollutant may be………...
a. Gases
b. Smoke
c. Dust particles
d. Oxides of sulfur and oxygen
Ans. D
3-The short term effect of indoor air pollution is…
a. Cancer
b. Heart and lung diseases
c. Respiratory diseases
d. None of these
Ans. D
4-Moisture mainly categorized under the pollutant that is…
a. Air pollution
b. Outdoor Air Pollutant
c. Indoor Air Pollutant
d. None of these
Ans. C
5-Passive smoke is mainly categorized under the pollution that is…
a. Indoor air pollutant
b. Outdoor air pollutant
c. Short term effect of air pollutant
d. General Air Pollution
Ans. A
6-Ground level ozone can be categorized under the pollutant that is….
a. Air Pollution
b. Indoor Air Pollution
c. Outdoor Air Pollution
d. All of these
Ans. C
7-Outdoor Air Pollution affects mainly…
a. Aged and child population
b. Healthy and mature population
c. Athletes
d. All of these
Ans. A
8-Accelerated aging of lungs is the main cause of pollution that is…
a. Outdoor air pollution
b. Indoor air pollution
c. Both of these
d. Air pollution
Ans. A
9-Tears are unable to provide enough lubrication for eyes due to….
a. Lubrication syndrome
b. Tears syndrome
c. Wet eye syndrome
d. Dry eye syndrome
Ans. D
10-Ground level ozone is the main cause of various diseases instead…
a. Wheezing and chest pain
b. Fatigue
c. Breast cancer
d. Dry throat
Ans. C
11-Heart and lung disease are mainly due to…..
a. Particulate matter (PM)
b. SO2
c. Oxides of nitrogen
d. All of these
Ans. A
12-Aggravated diseases like bronchitis, emphysema, and asthma etc, are mainly due to……
a. Ozone layer depletion
b. Ozone
c. Ground level ozone effects
d. None of these
Ans. C
13-The health effects of outdoor and indoor air pollutants are generally….
a. Same
b. Different
c. Same with few exceptions
d. Can be same or different
Ans. C
14
-Nose bleeding and blood thickening sometimes also the cause of….
a. Inappropriate diet
b. Poor hygienic practices
c. Indoor and outdoor air pollutants
d. All of these
Ans. C
15
-Viruses and bacteria included mostly in……….
a. Indoor air pollutants
b. Outdoor air pollutants
c. Waterborne pollutants
d. None of these
Ans. B
16
-Alzheimer disease mainly due to…
a. Indoor air pollutants
b. Outdoor air pollutants
c. Both of these
d. None of these
Ans.
A
17
-Shortened life span of individuals is the main cause of….
a. Outdoor air pollutants
b. Indoor air pollutants
c. Kidney failure
d. Heart, lung and kidney damage.
Ans. A
18
-The effect of outdoor air pollutants more on….
a. Population around main roads.
b. Population in industrial areas
c. Population of urban areas
d. Both a & b
Ans. D
19
-Cardiovascular diseases are the diseases of…..
a. Blood vascular system
b. Lungs
c. Kidney and heart
d. Only heart.
Ans. D
20
-Main source of CO is…..
a. Traffic
b. Industries
c. Indoor activities
d. None of these
Ans. A
21
-People exposed to air pollution can develop readily…….
a. Allergy
b. Immuno
-deficiency
c. Cancer
d. Lung diseases
Ans. A
22
-Outdoor air pollutants are those pollutants which are…..
a. All of our outdoor atmosphere
b. Specified to some regions
c. Excepts indoor air pollutants
d. Both b and c
Ans. A
23
-Statement true about indoor air pollutants except…
a. Indoor pollutants are negligible
b. Gases may also include indoor air pollutants
c. Viruses and bacteria are given in indoor air pollutants
d. Moisture and dirt
-dust are indoor air pollutants
Ans. A
24
-Eyes can be affected in…
a. Outdoor air pollutants
b. Indoor air pollutants
c. None of these
d. Both a &
Ans. D
25
-Which one is not short term effect of indoor air pollutants?
a. Cough
b. Sneezing
c. Headache
d. None of these
Ans. D
26
-Indoor and outdoor air pollutants mostly affects the populations of….
a. Humans
b. Cattles
c. Marine life
d. All the associated populations
Ans. D
27-Breast cancer is more common in….
a. Women population
b. Men’s population
c. Species other than humans
d. None of these
Ans. A
28- Both indoor and outdoor air pollution may lead to…
a. Vomiting
b. Weight loss
c. Darkness
d. Heart and lung diseases
Ans. D
29-Lead more commonly include in…..
a. Indoor air pollutants
b. Outdoor air pollutants
c. Both
d. None of these
Ans. B
30-Pollutants that may fatal….
a. Indoor air pollutants
b. Outdoor air pollutants
c. Both a & b
d. None of these
Ans. C
MCQs Group-8
th Green Chemistry
31. Which of the following is not a principle of Green Chemistry?
a) Green solvents and auxiliaries
b) Use of renewable feedstock
c) Hazardous chemical synthesis
d) Design for energy efficiency
Answer: c
32. Green chemistry is the design of chemical products and processes that reduce or eliminate the use and generation of
hazardous substances. Identify the technique used in this area.
a) Bioamplification
b) Polymer manufacturing
c) Pesticide synthesis
d) Use of sunlight and Microwave-assisted reaction
Answer: d
33. Identify the non-toxic and green solvent.
a) Liquified carbondioxide
b) Benzene
c) Carbon tetrachloride
d) Toluene
Answer: a
34. Green chemistry is also called as ________
a) Life chemistry
b) Environmental chemistry
c) Organic chemistry
d) Sustainable chemistry
Answer: d
35. C2H4 + 1/2O2 → C2H4O (Ethylene oxide). This reaction will takes place under presence of catalyst. Find out the % atom
economy.
a) 25%
b) 50%
c) 75%
d) 100%
Answer: d
36. One of the principles of green chemistry says that to produce _______ goods.
a) Harmful
b) Commercial
c) Safer
d) Most used
Answer: c
37. After the use of chemicals, we must ______ them properly.
a) Use
b) Reuse
c) Dispose
d) Store
Answer: c
38. Green chemistry applies across the __________ of a chemical product like design, manufacture and use.
a) Life cycle
b) Properties
c) Uses
d) Efficiency
Answer: a
39. We must use feedstock derived from annually renewable resources or from _______
a) Chemicals
b) Organic compounds
c) Abundant waste
d) Plants
Answer: c
40. Green chemistry reduces the ______ and protects the environment.
a) Pollution
b) Temperature
c) Air
d) Water
Answer: a
41. According to the green chemistry, the chemical involved in the production must be ________
a) Non toxic
b) Toxic
c) Highly toxic
d) Produces the toxic by products
Answer: a
42. The green synthesis methods should have _________
a) Low efficiency
b) High harmful products
c) Low energy requirements
d) Low atom efficiency
Answer: c
43. In green synthetic methods, the high quality product with no ________ are produced.
a) Good products
b) Catalyst
c) Reaction
d) Contamination
Answer: d
44. A desirable green solvent should be __________
a) Costly
b) Toxic
c) Readily available
d) Synthetic
Answer: c
45. ________ is the fundamental advantage of the sono chemistry in organic synthesis without solvents.
a) High yields
b) High energy requirements
c) Use of solvents
d) High wastes
Answer: a
46. Results from long-term exposure to lower doses of a chemical is known as ________
a) Acute toxicity
b) Chronic toxicity
c) Moderate toxicity
d) High toxicity
Answer: b
47. Which of the following is not characteristics of hazardous waste?
a) Toxicity
b) Corrosivity
c) Ignitibility
d) Leakage
Answer:d
48. What are the steps involved in evaluation of toxicity?
a) hazard identification and dose-response evaluation
b) chemical analysis
c) pathway analysis
d) evaluation of long term impact
Answer: a
49. A toxic substance produced by biological system is specially referred to as .......
A) toxicant
B) toxin
C) xenobiotic
D) poison
Ans:b
50. Which of the following is NOT an initiating event in carcinogenesis .
A) DNA adduct formation
B) DNA strand breakage
C) mutation of proto -oncogenes
D) mitogenesis
Ans:b
51. The most common target organ of toxicity is the ......
A) heart
B) lungs
C) CNS(brain and spinal cord)
D) skin
Ans:c
52. A toxic substance produced by biological system is specially referred to as a ------
a) toxicant
b) toxin
c) xenobiotic
d) poison
Ans:B
53. The phrase that best defines "toxicodynamics" is the
a) linkage between exposure and dose
b) linkage between dose and response
c) dynamic nature of toxic effects among various species
d) dose range between desired biological effects and adverse health effects
Ans:B
54. The organs least involved in systemic toxicity are ---
a) brain and peripheral nerves
b) muscle and bone
c)liver and kidney
d) hematopoietc system and lungs
Ans:b
55. Reason of lung cancer is :
a) coal mining
b)cement factory
c) calcium fluoride
d)bauxite mints
Answer :a
56. Carcinogens are caused by
a) ionic radiation
b) tar in tobacco
c) naturally
d) none of these
Answer : b
57. Cancer cell can easily be destroyed by radiations due to ?
a) fast mutation
b) rapid cell division
c ) lack of mutation
d ) lack of oxygen
Answer : b
58. Varicella is also called....
(A)measels
(b) chicken pox
(c)blisters
(d)listeria
Answer:b
59. Inhalation of arsine gas upto ___ cause immediate death
(A) 150ppm
(b) 200ppm
(c) 250ppm
(d) 300ppm
Answer:c
60. Nitrites cause_______
(A)thyroid cancer
(b)lung cancer
(c)gastric pain
(d)breathing problem
Answer:a
61. A substance that induces unregulated growth processes in cells or tissues leading to cancer are called as
a) mutagen
b) carcinogen
c)Pathogens
d) Microbes
Answer : B
62. Carcinogens are always
a) mutagens
b) mutants
c)point mutants
d)silent mutant
Answer : A
63. Mutagens can be:
a) Interferes the functions of nucleotides
b) Physical agent
c) Chemical agent
d) all of above
Answer : D
64. A toxic substance produced by biological system is specially referred to as a ------
a) toxicant
b) toxin
c) xenobiotic
d) poison
Answer : b
65. Which of the following is NOT an initiating event in carcinogenesis?
a) DNA adduct formation
b) DNA strand breakage
c) mutation of proto-oncogenes
d) mitogenesis
Answer: d
66. Which of the following is characteristic of a non-genotoxic carcinogen?
a) has no influence on the promotional stage of carcinogenesis
b) would be expected to produce positive responses in in vitroassays for mutagenic potential
c) typically exerts other forms of toxicity and/or disrupts cellular homeostasis
d) generally shows little structural diversity
Answer: c
MCQs Group-4
th Heavy Metals Toxicity
67. Oxidative stress on lipids causes
a. Damage to cytosol
b. Damage to membranes
c. Damage to bones
d. Damage to blood cells
Answer. b
68. Which of the heavy metals is required for normal funcitiong of body
a. Cd
b. Hg
c. Fe
d. Ar
Answer. c
69. Heavy Metals affect the body by inducing,
a. Oxidative stress
b. Reductive stess
c. both
d. none
Answer. a
70. Heavy metals include Hg, Pb, Cd, Cr and
a. Cl
b. Ar
c. Na
d. He
Answer. B
71. Accamulation of Chromium in the body causes
a. Lung diseases
b. Black foot disease
c. Dementia
d. Parkinson’s disease
Answer. A
72. All of the following techniques are used to remove heavy metals from atmosphere except
a. Adsorption
b. Reverse osmosis
c. Chromatography
d. Chemical precipitation
Answer . C
73. Arsenic is the most common cause of _ heavy metal poisoning in adult.
a. Acute
b. Chronic
c. Both
d. Harmful
Answer. A
74. _____ are the metals that form poisonous soluble
Compounds.
a.Non metals
b.Non toxic metals
c.Toxic metals
d.All
Answer. c
75. Density of heavy metal is at least_ times greater than that of water.
a.4
b.5
c.6
d.7
Answer. B