More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
PPSC Chemistry Part V Environmental Chemistry Online Test MCQs With Answers
Question # 1
Increased asthmatic attacks in certain seasons are related to.
Choose an answer
Inhalation of seasonal pollens
Eating of seasonal vegetables
Low temperature
Wet and dry environment
Previous
Skip
Next
Question # 2
Which of the following process is a source of nuclear pollution.
Choose an answer
Uranium mining
Uranium processing
Reactor waste
All above
Previous
Skip
Next
Question # 3
Ozone is stratosphere is depleted by
Choose an answer
CF2Cl2
C7F16
C6H6Cl6
C6F6
Previous
Skip
Next
Question # 4
Which of the following health effect is caused by mercury.
Choose an answer
Nerve damage
Brain damage
Kidney damage
All above
Previous
Skip
Next
Question # 5
Fish die in water bodies polluted by sewage due to.
Choose an answer
Pathogens
Clogging of gills by silt
Reduction in dissolved oxygen
Foul smell
Previous
Skip
Next
Question # 6
Which of the following source of energy is abundant everlasting and non polluting.
Choose an answer
Nuclear
Electric
Solar
All above
Previous
Skip
Next
Question # 7
Ozone hole refers to.
Choose an answer
Black hole
Decrease to thickness of ozone layer in stratosphere
Decrease of thickness of ozone in troposphere
Increase concentration of ozone in the atmosphere
Previous
Skip
Next
Question # 8
Eutrophication is process which involves
Choose an answer
Depletion of ozone layer
Increase in the concentration of ozone in water
Decrease in the concentration of dissolved oxygen in water by algae
Decrease in the level of SO2 in air
Previous
Skip
Next
Question # 9
Long diseases are about four times more in urban areas as compared to rural areas. This is due to the presence of which of the following. in atmosphere.
Choose an answer
CO2
NO2
O2
N2
Previous
Skip
Next
Question # 10
Which of the following disposal method is used for agriculture wastes.
Choose an answer
Dump
Landfill
Incineration
Open burning
All above
Previous
Skip
Next
Question # 11
Which of the following pollutant result from combustion of fossil fuels.
Choose an answer
SO2
NOx
CO
All above
Previous
Skip
Next
Question # 12
Disease caused by eating fish found in water contaminated with industrial waste having mercury is.
Choose an answer
Minamata disease
Bright's disease
Hashimoto's disease
Osteoaclerosis
Previous
Skip
Next
Question # 13
Which of the following chemical strong oxidizing agent is used in COD test.
Choose an answer
KMnO4
H2SO4
CH3COOH
K2Cr2O7
Previous
Skip
Next
Question # 14
Which of the following acids acts as acid waste from coal mines.
Choose an answer
HCl
HNO3
CH3COOH
H3PO4
Previous
Skip
Next
Question # 15
Which of the following to non -auditory effect of noise on human body.
Choose an answer
Changes in the Vascular tone
Increase in the blood pressure
Wakening of the coloured vision
All above
Previous
Skip
Next
Question # 16
Which of the following substance is colloidal in nature.
Choose an answer
Clay
Al2O3
Fe2O3
All above
Previous
Skip
Next
Question # 17
Which of the following substance act as photochemical oxidant
Choose an answer
Ozone
NOx
peroxyacetyl nitrate
All above
Previous
Skip
Next
Question # 18
SO2 is generated from which of the following industry.
Choose an answer
Drying and packing
Paper
Pulp
paper and pulp
Previous
Skip
Next
Question # 19
Permanent hardness of water is due to.
Choose an answer
Sulphate of Ca
Chloride of Ca
Sulphate of Mg
All above
Previous
Skip
Next
Question # 20
Which of the following is domain of industrial ecology.
Choose an answer
The materials extractor
The materials processor
The consumer
All of above
Previous
Skip
Next
Question # 21
Bioconversion of biomass can be used for.
Choose an answer
Heating purposes
Power production
Methane production
All of the above
Previous
Skip
Next
Back