Explore topic-wise MCQs in Environment Management.

This section includes 568 Mcqs, each offering curated multiple-choice questions to sharpen your Environment Management knowledge and support exam preparation. Choose a topic below to get started.

401.

An atom is composed of a

A. Electron
B. Nucleus
C. Proton
D. Neutron
Answer» C. Proton
402.

Chlorine free radical reacts with 'ozone' to form

A. CFCs
B. Chlorine Oxide
C. NO₂
D. Bromine Oxide
Answer» C. NO₂
403.

Tropical cyclone, storm or wind system rotating around a central area of

A. Medium atmospheric pressure
B. Null atmospheric pressure
C. Low atmospheric pressure
D. High atmospheric pressure
Answer» D. High atmospheric pressure
404.

Currently, proportion of carbondioxide in atmosphere is:

A. 0.039 percent
B. 1.039 percent
C. 2.039 percent
D. 5.039 percent
Answer» B. 1.039 percent
405.

In atmosphere nitrogen constitutes

A. 0.4
B. 0.7808
C. 0.21
D. 0.09
Answer» C. 0.21
406.

'ppb' stands for

A. Parts per thousand Volume
B. Parts per thousand trillin
C. Parts per thousand Million
D. Parts per thousand Billion
Answer» E.
407.

Costs of anthropogenic climate change fall into

A. 2 parts
B. 3 Parts
C. 4 Parts
D. 5 Parts
Answer» C. 4 Parts
408.

EU' stands for

A. Environmental Union
B. European Union
C. Eruption Union
D. Eutrophication Union
Answer» C. Eruption Union
409.

Since 1880s, earth's sea level has risen by

A. 34 cm
B. 21 cm
C. 17 cm
D. 50 cm
Answer» C. 17 cm
410.

Young Dryas marked by spread of an Arctic flower

A. Lilic
B. Sun flower
C. Dryas octopetala
D. rose
Answer» D. rose
411.

'Monsoon' is a particular seasonal weather patterns in a:

A. Tropical region
B. Sub tropical region
C. Poles
D. Temperate regions
Answer» C. Poles
412.

Ground level ozone is formed by reaction between nitrogen oxide and

A. Ashes
B. Fumes
C. Mist
D. VOCs
Answer» E.
413.

Troposphere contains 10% of atmospheric

A. Energy panel
B. Pressure
C. Ozone
D. Nitrogen
Answer» D. Nitrogen
414.

About 10 kg of 14C is produced in atmosphere each year by action particle radiation of

A. Sun
B. Atmosphere
C. Air
D. Water
Answer» B. Atmosphere
415.

With passage of time, snow and ice melts faster in

A. Bangladesh
B. Asia
C. Himalaya
D. both b and c
Answer» E.
416.

Range of electromagnetic energy emitted by sun is called:

A. Ultra volatile
B. Solar Spectrum
C. Infrared energy
D. Light waves
Answer» C. Infrared energy
417.

What suffers most due to tropospheric ozone?

A. Health
B. Environment
C. Society
D. All of above
Answer» B. Environment
418.

British meteorologist G. M. B. Dobson, developed a simple spectrophotometer to measure

A. Pollutant
B. Black Haze
C. stratospheric ozone
D. Tropospheric ozone
Answer» D. Tropospheric ozone
419.

Sinks of Carbon dioxide includes ocean uptake and

A. Farming
B. Floods
C. Photosynthesis
D. Deforestation
Answer» D. Deforestation
420.

'Watt' is a unit of

A. Height
B. Light
C. Power
D. Width
Answer» D. Width
421.

Small animals in ocean are known as:

A. Zooplanktons
B. Phytoplanktons
C. Biota
D. Planktons
Answer» B. Phytoplanktons
422.

Small plants in ocean are known as:

A. Phytoplankton
B. Zooplankton
C. Planktons
D. Biota
Answer» B. Zooplankton
423.

Each year, carbon dioxide is increasing approximately:

A. 9.2ppm
B. 2ppm
C. 1.5ppm
D. 1ppm
Answer» D. 1ppm
424.

About 90% of fossil fuel burning occurs in the

A. Northern hemisphere
B. Southern Hemisphere
C. Central Hemisphere
D. Poles of earth
Answer» B. Southern Hemisphere
425.

Land and ocean reservoirs, much larger than amount in the

A. Biosphere
B. Atmosphere
C. Hydroshere
D. Fossil fuels
Answer» C. Hydroshere
426.

What is ideal concentration of O₂?

A. 0.21
B. 0.23
C. 0.28
D. 0.29
Answer» B. 0.23
427.

According to recent survey, most acute health problem, children are suffering

A. Nature-deficit disorder
B. Diarrhea
C. Skin infection
D. All of above
Answer» B. Diarrhea
428.

'Photolysis' of Cl₂O₂ is playing an key role to

A. Deforestation
B. Eutrophication
C. Acid rain
D. Ozone depletion reaction
Answer» E.
429.

Earth's atmosphere contains 78 percent of

A. Nitrogen
B. Carbon
C. Phosphorous
D. Argon
Answer» B. Carbon
430.

In 2000, US banned use of

A. Carbon compounds
B. Chlorine compounds
C. Pollutants
D. Nitrogen oxide
Answer» C. Pollutants
431.

Electro magnetic radiation, helps in generating

A. Heat
B. Electrical Energy
C. Machanical Energy
D. Current
Answer» C. Machanical Energy
432.

Gaia hypothesis states, biosphere is capable of keeping planet healthy by controlling:

A. Physical and Chemical Environment
B. Biological Environment
C. Marine Environment
D. Coastal Areas
Answer» B. Biological Environment
433.

When ultraviolet radiations strike ozone, it causes them to

A. Split
B. Fuse
C. react
D. move
Answer» B. Fuse
434.

Deuterium is a heavy isotope of

A. Carbon
B. Sodium
C. Hydrogen
D. Pottasium
Answer» D. Pottasium
435.

Particulate matters, which are smaller than 10 micrometer can be inhaled :

A. In mouth region
B. In deepest parts of the lung
C. Between nostrils
D. In one breath
Answer» C. Between nostrils
436.

Sonde is a device in atmosphere, obtaining information, such as temperature and

A. Atmospheric Pressure
B. Density level
C. Mass number
D. Wind energy
Answer» B. Density level
437.

Ozone holes are first discovered in Antarctica in

A. 1980
B. 1970
C. 1975
D. 1972
Answer» C. 1975
438.

In 1992, a team of forty scientist, announced a record high concentration of

A. Chlorine monoxide
B. Carbon monoxide
C. Hydrogen monoxide
D. Carbon dioxide
Answer» B. Carbon monoxide
439.

Montreal protocol was effective to combat CFCs emission in

A. USA
B. Canada
C. Mexico
D. France
Answer» B. Canada
440.

Chloroflouorocarbon (CFCs) atmospheric lifetime is about:

A. 20 to 200 years
B. 20 to 900 years
C. 20 to 700 years
D. 20 to 100 years
Answer» E.
441.

Concentration of ' ozone' in atmosphere is:

A. 0.06 ppm
B. 0.08ppm
C. 0.09ppm
D. 0.01 ppm
Answer» E.
442.

Ammonia is released from animal waste, fertilizers and

A. Hospitals
B. Industries
C. Vehicle Exhaust
D. Plantation
Answer» D. Plantation
443.

Due to climate change, sub-arctic, may become more

A. Productive
B. Habitable
C. Powerful
D. Livelihood
Answer» C. Powerful
444.

In 2015, countries who has suffered most due to global warming

A. Mozambique
B. Dominica
C. Malawi
D. All of above
Answer» B. Dominica
445.

Daisy world is an imaginary planet spinning on its

A. axis
B. orbit
C. Planets
D. Nucleus
Answer» C. Planets
446.

A Brief History of Time, was writing by

A. Darwins
B. Al Gore
C. Stephen Hawking
D. Lovelock
Answer» D. Lovelock
447.

Who suggested a simple model of an imaginary world called Daisyworld?

A. Lovelock
B. Einstin
C. Al gore
D. Darwin
Answer» B. Einstin
448.

Earth's atmosphere contains

A. 0.03% Carbon
B. 0.03% Carbon dioxide
C. 0.03% Nitrogen
D. 0.03% Oxygen
Answer» C. 0.03% Nitrogen
449.

Both respiration and photosynthesis occur in the

A. Ocean
B. Land
C. Atmosphere
D. Air
Answer» B. Land
450.

IPCC' stands for

A. Intergovernmental Panel on Climate Chang
B. Interpakistan Council Center
C. Inter Panel for Climate Change
D. International Panel on Climate change
Answer» B. Interpakistan Council Center