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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 | |