Water pollution MCQ answers questions

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Water pollution

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How can we use technology to improve specific chemicals that can help prevent water pollution [UGC NET Examination-1989] [Goa State Eligibility Test (Goa SET)-1998]
A
By doing water dialysis treatment
B
By using photonic energy to rearrange electrons in chemical bonds, either separating or forming them.
C
by building a mobile water treatment lab that uses sensors to detect water quality
D
All of the above
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
another way to stop water pollution is. [UGC NET Examination-2012] [Jharkhand State Level Eligibility Test (Jharkhand SLET)-2020]
A
leave trash on the ground.
B
Don't pour your motor oil down the storm drain.
C
do math
D
go home
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which best describes leaching [UGC NET Examination-1993] [Assam State Level Eligibility Test (Assam SLET)/North East State Level Eligibility Test (NESLET)-2012]
A
water flows through soil, landfills, or other areas dissolving materials and carrying it with the water to lower levels
B
Acid rain is formed when water flows through a coal mine
C
The use of drip irrigation
D
A friend constantly borrows money but never pays it back
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Who does air pollution impact? [UGC NET Examination-2004] [Tamil Nadu State Eligibility Test (TNSET)-1985]
A
Everyone
B
Only animals
C
Only human being
D
None of the above
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In the secondary treatment of wastewater treatment plant, organic waste is ..... decomposed. [UGC NET Examination-1987] [Punjab State Eligibility Test (Punjab SET)-1984]
A
Physically
B
Biologically
C
Chemically
D
None of these
Question 6 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Under what conditions are large numbers of fish in a lake most likely to die? [UGC NET Examination-2022] [CSIR UGC NET Examination-2009]
A
Right after a storm with heavy rainfall
B
When turbidity is low and Temperature are in average range
C
High pH
D
When waters dissolved oxygen is high and temperatures are lower than averge
Question 7 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these is the largest source of salt water? [UGC NET Examination-2007] [Tamil Nadu State Eligibility Test (TNSET)-1987]
A
Rivers
B
Lakes
C
Oceans
D
Streams
Question 8 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
is water pollution good for the environment [UGC NET Examination-1990] [West Bengal State Eligibility Test (WB SET)-1997]
A
yes
B
no
C
Either (A) or (B)
D
Neither (A) nor (B)
Question 9 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
temperature increase in a body of water that is caused by human activity. [UGC NET Examination-1994] [Kerala State Eligibility Test (Kerala SET)-2015]
A
Eutrophication
B
Oil Spills
C
Thermal pollution
D
Biomagnification
Question 10 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Farmers increases their use of pesticides, herbicides, and fertilizers. What type of pollution would this cause? [UGC NET Examination-1986] [Karnataka State Eligibility Test (KSET)-2008]
A
Sediment
B
Nutrient
C
toxic
D
None of the above
Question 11 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Microbiological pollution is when ..... occurs. [UGC NET Examination-2008] [Chhattisgarh State Eligibility Test (CG SET)-1984]
A
Algae bloom
B
Salt bloom
C
Salinity
D
Toxins
Question 12 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What do untreated (raw) sewage and fertilisers have in common? [UGC NET Examination-2007] [Telangana State Eligibility Test (TSSET)-1994]
A
They encourage excessive growth of aquatic plants
B
They are eaten by animals in the water
C
They accumulate in the tissues of aquatic organisms
D
None of the above
Question 13 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What does the chloriform count measure? [UGC NET Examination-2003] [Jharkhand State Level Eligibility Test (Jharkhand SLET)-2020]
A
coli
B
hardness of water
C
pH
D
None of the above
Question 14 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A industrial powerplant dumps its heated wastewater straight from a pipe into a stream. This is an example of - [UGC NET Examination-2021] [Punjab State Eligibility Test (Punjab SET)-1983]
A
eutrophic pollutionover-treated drinking water.
B
riparian pollutionflooding in the local aquifer.
C
point source pollution.
D
nonpointsource pollution.
Question 15 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Water pollution that comes from many unknown sources is considered..... [UGC NET Examination-2014] [Uttarakhand State Eligibility Test (USET)-2021]
A
point source pollution
B
nonpoint source pollution
C
thermal pollution
D
ocean pollution
Question 16 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A series of underground pipes that carry used water to a treatment plant is called what? [UGC NET Examination-2005] [AYUSH NET Examination-1998]
A
Filtration system
B
Sewer system
C
Septic System
D
Drainage system
Question 17 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What happens when water cant hold all substances ? [UGC NET Examination-2003] [DBT JRF Examination-2014]
A
It becomes polluted
B
it overflows
C
It smells
D
the water shrinks
Question 18 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The ozone layer protects us from [UGC NET Examination-1999] [Punjab State Eligibility Test (Punjab SET)-1981]
A
UV rays
B
CFCs
C
Increased atmospheric heat
D
Decreased atmospheric heat
Question 19 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A step in the water treatment process that prevents bacteria from growing is called: [UGC NET Examination-2019] [Rajasthan State Eligibility Test (Rajasthan SET)-2005]
A
aeration
B
chlorination
C
filtration
D
coagulation
Question 20 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
About how many gallons of oil were spilled each day during the BP spill? [UGC NET Examination-1983] [Haryana State Eligibility Test (Haryana SET)-1987]
A
100,000
B
200, 000
C
300,000
D
400,000
There are 20 questions to complete.