MCQOPTIONS
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MCQOPTIONS
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 | |