Explore topic-wise MCQs in Environment Management.

This section includes 500 Mcqs, each offering curated multiple-choice questions to sharpen your Environment Management knowledge and support exam preparation. Choose a topic below to get started.

101.

Group 1 of non-persistent oils, regarded as jet fuels and

A. Gasoline
B. Karosene
C. Petrol
D. diesel
Answer» B. Karosene
102.

Toxaphene is a mixture, composed of approximately

A. 800 organic compound
B. 700 organic compound
C. 200 organic compound
D. All of them
Answer» D. All of them
103.

A fixed dose at one out of four level is known as

A. TLV
B. Up and down procedure
C. Fixed dose
D. Acute Toxic
Answer» D. Acute Toxic
104.

News paper takes one and half month to

A. decompose
B. burn
C. regenerate
D. recycle
Answer» B. burn
105.

According to estimates, cotton glove takes 3 months to

A. recycle
B. form
C. rotten
D. decompose
Answer» E.
106.

Autotrophic organisms are characterized as, feeding

A. themselves
B. on other organisms
C. on animals
D. on plants
Answer» B. on other organisms
107.

Booms are meant to be as gigantic pieces of

A. non-metal
B. solid
C. Plastics
D. metal
Answer» D. metal
108.

Plastic has a high level of persistence in environment

A. environment
B. Forests
C. Wet land
D. All of above
Answer» B. Forests
109.

Some metals such as Zn, Cu, Cr, Se, Ni, and Al are necessary for

A. Animals
B. Insects
C. Forests
D. Biological organism
Answer» E.
110.

Fur seal pups are affected more than adults, by

A. Air Pollution
B. Plastic waste
C. Oil spills
D. deforestation
Answer» D. deforestation
111.

GAS stands for

A. General adaptation system
B. general adapt syndrome
C. General adaptation syndrome
D. gene adaptation syndrome
Answer» D. gene adaptation syndrome
112.

Fire booms collect the

A. waste material
B. Sludge
C. Oil Spills
D. Plastic waste
Answer» D. Plastic waste
113.

Noise from ships originates from propellers and

A. walls
B. hulls
C. rooms
D. All of above
Answer» C. rooms
114.

Almost, 2% of marine microalgae, responsible in producing

A. Toxic compounds
B. Non toxic compounds
C. Chemicals
D. Salts
Answer» B. Non toxic compounds
115.

Mercury is characterized as a cinnabar known as

A. mercuric sulphide
B. Lead sulphide
C. Zinc sulphide
D. Sodium sulphide
Answer» B. Lead sulphide
116.

Unit of sound is denoted as

A. m
B. km
C. mm
D. Pascal
Answer» E.
117.

Primary sources of radioactive substances, included submarine and

A. Sediments
B. Military waste
C. mining
D. Acid Rain
Answer» C. mining
118.

Instruments used in deep sea mining are hydraulic pumps and

A. Wires
B. Tools
C. Sows
D. Backets
Answer» E.
119.

Cancer is caused by a change in genetic make up of a

A. Nerves
B. Organs
C. Normal Cells
D. All of above
Answer» E.
120.

Thunder and lightning raises noise level around

A. 15 Hz
B. 25 Hz
C. 95 Hz
D. 805 Hz
Answer» B. 25 Hz
121.

Crude oil of ship consist different types of

A. Inorganic and organic compounds
B. Oxygen and carbon
C. Nitrogen and Phosphorous
D. Hydrocarbons
Answer» E.
122.

There are approximately 75 PCDDs, among them seven are

A. Chemical compounds
B. Inorganic compounds
C. Non Toxic
D. All of above
Answer» E.
123.

Median lethal dose for oral exposure is lower than

A. Infected
B. Engulf
C. Inhalation
D. Dermal Exposure
Answer» E.
124.

Sorbent booms consist of a material capable of absorbing the

A. Oil
B. Gas
C. Air
D. Water
Answer» B. Gas
125.

BAF stands for

A. Bioavailability factor
B. Biodegradation factor
C. Bioventing factor
D. Bioaccumulation Factor
Answer» E.
126.

Very light oil are comparatively impossible to

A. Produced
B. Clean up
C. Mix
D. decompose
Answer» C. Mix
127.

Creosote and trichloroethylene sink

A. on surface
B. on bottom
C. to Evaporate
D. dramatically
Answer» C. to Evaporate
128.

Micro plastic particles are smaller than

A. 70 mm
B. 30 mm
C. 10 mm
D. 20 mm
Answer» D. 20 mm
129.

Potassium and sodium, helps in preserving a proper electrochemical balance, extending towards

A. Organs
B. plasma membrane
C. Limbs
D. kidneys
Answer» C. Limbs
130.

Changes in ocean pH will affect marine life forms, such as

A. Planktons
B. Phytoplanktons
C. Fishes
D. molluscs and crustaceans
Answer» E.
131.

Organic pollutants, captivated in waste water, nitrogen phosphates and

A. NO₂
B. SO₂
C. No
D. Petroleum derivatives
Answer» E.
132.

Nitrates are a source of electron acceptor in

A. Insects
B. Rodents
C. Aerobic Bacteria
D. Anaerobic bacteria
Answer» E.
133.

CFCs depletes ozone layer in the

A. Stratosphere
B. Troposphere
C. Biosphere
D. Hydrosphere
Answer» B. Troposphere
134.

Affymetrix gene chip is a type of

A. DNA
B. Biodegradation
C. Array
D. Bioventing
Answer» D. Bioventing
135.

A grey water is produced in kitchens and showers of

A. Ships
B. Bus
C. cars
D. Bikes
Answer» B. Bus
136.

In rats, an oral dosage ranges between 1 to 50 mg/kg, consider as

A. Super Toxic
B. Highly Toxic
C. Extremely Toxic
D. Very Slightly Toxin
Answer» C. Extremely Toxic
137.

Corrosion of galvanised metals, emitting 0.2%

A. Mercury
B. Zinc
C. Lead
D. Cadmium
Answer» E.
138.

Invasive species are termed as form of

A. biological pollution
B. Chemical pollution
C. Air pollution
D. Water pollution
Answer» B. Chemical pollution
139.

Bilge water contains oil, urine and

A. Plastics
B. Chemicals
C. Papers
D. Pollutants
Answer» C. Papers
140.

In unborn children, lindane can causes

A. Thyroid issues
B. Brain development problems
C. Asthma
D. All of above
Answer» C. Asthma
141.

GHGs, embodied with CO₂, CH₄, N₂O and

A. sulphur
B. Oxygen
C. SF₆
D. Carbon
Answer» D. Carbon
142.

Algal bloom is a massive growth of unicellular algae in the

A. Rain
B. Industries
C. Sea
D. water
Answer» D. water
143.

Almost, 85% of cadmium is used in rechargeable nickel

A. Cadmium batterries
B. Lead batterries
C. Mercury batterries
D. batteries
Answer» B. Lead batterries
144.

Some organisms attach themselves to ship hull, in process of

A. Eutrophication
B. Biodegradation
C. Bioventing
D. All of above
Answer» E.
145.

PBBs are used as a flame retardants, in dealing with

A. Flames
B. Halo flames
C. Chlorinated flame
D. brominated flame
Answer» E.
146.

Ammonia and nitrate are primary forms of nitrogen in

A. Solution
B. Lands
C. Plants
D. Animals
Answer» B. Lands
147.

Toxaphene, terms as very harmful insecticide, affecting lungs, nervous system and

A. Causes abnormality
B. Causes death
C. Causes disruption of blood circulation
D. Causes vision issues
Answer» C. Causes disruption of blood circulation
148.

Passive sonar, functioning as detecting acoustic signal in

A. underwater environment
B. atmosphere
C. air
D. All of above
Answer» C. air
149.

Chlordane Pesticide, used on agricultural crops, lawns, and gardens, for purpose of

A. Insects control
B. Termite control
C. Animals control
D. Plants control
Answer» C. Animals control
150.

According to UN, about 6.4 million tons of waste are dumped into oceans

A. into land
B. into the oceans
C. every where
D. beneath the earth
Answer» C. every where