Prep
Bee
Pakistan
Pakistan's #1 Free MCQ Practice Platform for Govt Job Exams
MCQs
Categories
Quiz
Past Papers
Quiz Mode
Login
Register
Preparing your study page...
Search MCQs
Search and filters
Search
Subject
Any subject
Agriculture
Biology
Chemical Engineering
Chemistry
Computer Science
Current Affairs
Economics
English
Everyday Science
General Knowledge
Intelligence
International Current Affairs
Islamic Studies
Judiciary And Law
Management Sciences
Mathematics
Mechanical Engineering
Medical Science
Pakistan Current Affairs
Pakistan Studies
Pedagogy
Physical Education
Physics
Psychology
Sociology
Software Engineering
Urdu
Difficulty
Any
Easy
Medium
Hard
Language
Any
English
Urdu
Bilingual
Sort
Latest
Oldest
Most attempted
Apply
MEDIUM
ENGLISH
Agriculture
Which of the following pollutant is not the product of automobile exhaust?
A
SO2
Option A
B
Fly ash
Option B
C
CO
Option C
D
Hydrocarbons
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Air pollution is caused by:
A
Automobile exhausts
Option A
B
Radioactive substances
Option B
C
Smoke
Option C
D
All of the above
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
When DDT was applied in an orchard as a pesticide, the fruit production decreased. This happened because:
A
DDT is a growth retardant
Option A
B
DDT disturbed hormonal balance essential for fruit setting
Option B
C
DDT killed the pollinating insects along with the pests
Option C
D
DDT inhibited flowering
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Thermal pollution in water bodies is caused due to discharge of:
A
Hot water from power plants
Option A
B
Hot chemicals from industries
Option B
C
Waste from mines
Option C
D
Waste from agricultural fields
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Which one of the following is fungicide?
A
DDT
Option A
B
Bordeaux mixture
Option B
C
2,4-D
Option C
D
DCMU
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
BOD of polluted water is increased by
A
Algae
Option A
B
Moss
Option B
C
Ferns
Option C
D
Distillated wastes
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
A pollutant is any substance, chemical cycles
A
The natural geo-chemical cycles
Option A
B
The natural balance of our environment
Option B
C
The natural flora of a place
Option C
D
The natural wildlife of a region
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The radioactive fall out contaminates:
A
Soil only
Option A
B
Soil and water both
Option B
C
Air and water both
Option C
D
Air, soil and water
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Maximum noise pollution in residential areas is due to:
A
Traffic sirens
Option A
B
Sirens and loud speakers
Option B
C
Kitchen appliances, radio and TV
Option C
D
Industries
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The first nuclear explosion was conducted by USA in:
A
Jun-44
Option A
B
Sep-44
Option B
C
Jul-45
Option C
D
Aug-45
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Mark the plant showing insecticidal properties:
A
Ocimum basilicum
Option A
B
Azadirachta indica
Option B
C
Both (a) & (b)
Option C
D
Dalbergia sissoo
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
To check sonic booms, control should be exerted over:
A
Traffic on high ways
Option A
B
Sirens of every kind
Option B
C
Air traffic directions
Option C
D
Noise producing devices
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
In 1970, several people died in Japan due to pollution of:
A
Barium
Option A
B
Cadmium
Option B
C
Iron
Option C
D
Mercury
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The noise level of London is around:
A
120-170 db
Option A
B
90-160 db
Option B
C
100-130 db
Option C
D
100-160 db
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The waste of steel factories is rich in:
A
Cyanides and phenols
Option A
B
Chlorides and fluorides
Option B
C
Carbonates and sulphides
Option C
D
Bicarbonates and chlorides
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The noise created at the launching of space rocket measures around:
A
120 db
Option A
B
150 db
Option B
C
180 db
Option C
D
240 db
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
It is moderately quiet between:
A
35-45 db
Option A
B
1-5 db
Option B
C
40-60 db
Option C
D
65-75 db
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Through food chain radioactive Sr (Sr90) is deposited in which part of human body?
A
Kidneys
Option A
B
Thyroid
Option B
C
Bones
Option C
D
Muscles
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Common indicator organism of water pollution is:
A
Eichhornia crassipes
Option A
B
Escherichia coli
Option B
C
Entamoeba histolytica
Option C
D
Lemna pancicostata
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The following radioactive isotopes are formed by nuclear fission:
A
Sr90, I131
Option A
B
Cr51, Cu64
Option B
C
Zr95, Mn54
Option C
D
All of these
Option D
Show Answer
Open Detail
Previous page
1
5690
5691
5692
5693
5694
5754
Next page