MCQ in Environmental Engineering Part 9 | Engineering Board Exam

This is the Multiple Choice Questions Part 9 of the Series in Environmental Engineering (Environmental Science) as one of the General Engineering and Applied Sciences (GEAS) topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including past Board Questions in General Engineering and Applied Sciences (GEAS) field.

Continue Practice Exam Test Questions Part 9 of the Series

⇐ MCQ in Environmental Engineering Part 8 | Engineering Board Exam

Choose the letter of the best answer in each questions.

401. Yellowing of Taj Mahal is an effect of

A. Acid rain

B. Global warming

C. Ozone depletion

D. All of the above

402. Identify the aftermaths of acid rain from the following

A. Dissolving and washing away of nutrients from the soil

B. Increasing the acidity of soils, thereby hindering the growth of plants

C. Damaging the building materials/ heritage sites

D. All of the above

403. Increase in concentration of toxic level in each trophic level is referred to as

A. Eutrophication

B. Bio magnification

C. Bioaccumulation

D. Bio concentration

404. Pollutants that are easily manageable and decomposable in nature are called

A. Biodegradable pollutants

B. Non-biodegradable pollutants

C. Renewable pollutants

D. None of these

405. The supersonic jets cause air pollution by the thinning of

A. Carbon dioxide layer

B. Sulphur dioxide layer

C. Ozone layer

D. Oxygen layer

406. Which of the following is the best indicator of SO₂ pollution

A. Bryophytes

B. Pteridophytes

C. Lichens

D. Algae

407. BOD stands for

A. Biotic oxidation demand

B. Biological oxygen demand

C. Biological oxidation demand

D. Biochemical oxygen demand

408. A river with high BOD value means

A. Highly polluted

B. Highly clean

C. Highly productive

D. None of the above

409. Which gas is responsible for ozone layer depletion around earth?

A. Carbon dioxide

B. Chlorofluorocarbons

C. Oxygen

D. Nitrogen oxide

410. What is Kyoto Protocol?

A. It is an agreement among countries to take steps for reducing global warming.

B. It is an agreement among countries to take steps for reducing acid rain.

C. It is an agreement among countries to take steps for planting trees to control pollution.

D. It is an agreement among countries to start using nuclear energy.

411. Possible health effects of noise pollution includes

A. Hearing loss

B. Hypertension

C. Cardiovascular effects

D. All of the above

412. Noise is measured by sound meter and the unit is

A. Hertz

B. Joule

C. Decibel

D. Seconds

413. Which of the following are major causes of land degradation?

A. Soil erosion

B. Water logging

C. Deforestation

D. Desertification

414. The main component of photochemical smog is

A. Water vapors

B. Nitrogen oxides

C. Sulphur oxides

D. All of the above

415. Which gas is responsible for the global warming?

A. Nitrogen

B. Carbon dioxide

C. Noble gases

D. Hydrogen

416. Which country has organized its cabinet meeting under the sea to drag attention of the world towards the Global Warming and its threats?

A. Maldives

B. Sri Lanka

C. Fiji

D. Indonesia

417. Which of the following effect is responsible for Global Warming?

A. Greenhouse effect

B. Radioactive effect

C. Solar effect

D. Nuclear effect

418. Which of the following greenhouse gas is entirely anthropogenic in origin?

A. CFCs

B. Methane

C. Carbon dioxide

D. Water vapor

419. Which of the following statements regarding the greenhouse effect has the lowest degree of certainty?

A. Addition of greenhouse gases to the atmosphere results in increased heat energy in the atmosphere

B. Global warming will result in an increase in the number of tropical storms

C. Global warming will result in rising sea levels

D. The concentrations of greenhouse gases in the atmosphere are increasing due to human activities.

420. Which of the following is not a greenhouse gas?

A. Methane

B. Ozone

C. Water vapor

D. Carbon dioxide

421. The two major impacts expected as a result of rising global temperatures are

A. Higher water levels in lakes and streams but more consistent flooding patterns

B. Regional climatic changes and a rise in sea level

C. Longer summers and drier winters

D. Low water levels in lakes and streams and larger floodplains.

422. How are humans making greenhouse gases of our own?

A. Burning fossil fuels

B. Burning forests

C. With large scale agriculture

D. All of these

423. The solar radiation that bounces off the earth back towards the atmosphere is mostly

A. Gamma radiation

B. X-ray radiation

C. Ultraviolet radiation

D. Infrared radiation

424. Things you can do to decrease global warming include

A. Reduce the usage of your air conditioner on high

B. Turn off your light when you are not using them.

C. Use public transports instead of personal vehicles for transportation.

D. All of the above

425. Excess atmospheric carbon dioxide increases greenhouse effect as carbon dioxide

A. Precipitates dust in the atmosphere

B. Is opaque to infrared rays

C. Reduces atmospheric pressure

D. Is heavier than other gases

426. Which of the following is not a potential adverse effect of global warming?

A. More extreme weather patterns

B. Retreat of glaciers

C. Sea level rise

D. An increase of UV-B radiation

427. Which of the following processes adds to the removal of carbon dioxide from the atmosphere?

A. Burning fossil fuels

B. Photosynthesis

C. Respiration

D. Deforestation

428. Which is the only country who has not ratified the Kyoto Protocol yet?

A. United States

B. Australia

C. Japan

D. India

429. Ozone Day is observed on

A. 3rd January

B. 16th September

C. 10th November

D. 26th March

430. Ozone layer is present in

A. Troposphere

B. Mesosphere

C. Thermosphere

D. Stratosphere

431. Which one of the following gases can deplete the ozone layer in the upper atmosphere?

A. Methane

B. Ammonia

C. Carbon tetrachloride

D. Sulphur dioxide

432. Peeling of Ozone umbrella, which protects us from UV rays, is caused by

A. Carbon monoxide

B. CFCs

C. Coal burning

D. Methane

433. Formation of hole in Ozone is maximum over

A. India

B. Europe

C. Antarctica

D. Africa

434. Increasing skin cancer and high mutation rate are the result of

A. Global warming

B. Ozone depletion

C. Acid rain

D. Pollution

435. Which of the following statements about ozone is true?

A. Ozone is a major constituent of photochemical smog

B. Ozone is highly reactive

C. It protects us from harmful UV radiations of sun

D. All of the above

436. Thickness of ozone layer is measured in

A. Decibels

B. Dobson unit

C. Meter

D. Armstrong unit

437. Chlorofluorocarbon releases a chemical harmful to ozone is

A. Chlorine

B. Fluorine

C. Carbons

D. Nitrogen peroxide

438. In the breakdown of the ozone layer, the ozone (O3) directly reacts with

A. Ultraviolet light

B. Chlorine atoms

C. Oxygen atoms

D. CFC molecules

439. A population is a group of

A. Individual in a family

B. Individuals in a species

C. Communities in an ecosystem

D. Species in a community

440. The main cause of world population growth in 18th and 19th centuries was

A. Decrease in birth rates

B. Decrease in death rates

C. Industrial revolution

D. None of these

441. What is most important factor for the success of animal population?

A. Natality

B. Adaptability

C. Interspecies activity

D. Unlimited food

442. Human population growth is

A. Horizontal line

B. L-shaped curve

C. J-shaped curve

D. Parabola curve

443. The main factors contributing to the decline in death rate in 20th century were

A. Improved agricultural practices and increased birth rates

B. Improved health care, sanitation, and nutrition

C. Endemic poverty and low levels of education

D. European colonization and improved agriculture practices

444. The world population in 2000 was approximately

A. 5.1 billion

B. 2.1 billion

C. 6 billion

D. 8 billon

445. The average life expectancy around the world is currently

A. Stable

B. Increasing

C. Decreasing

D. Not changing

446. Exponential growth in population occurs when there is

A. A great environment resistance

B. No environment resistance

C. A fixed carrying capacity

D. No biotic potential

447. The disease which wiped out 33% of population of Europe in the 12th and 13th centuries was

A. Cholera

B. Meningitis

C. Plague

D. Diphtheria

448. A human population is small, there is greater chance of

A. Mutation

B. Gene flow

C. Genetic drift

D. Natural selection

449. Which of the following is a problem not associated with population growth?

A. Increased resource consumption

B. Environmental pollution

C. Food and energy shortages

D. None of these

450. Unrestricted reproductive capacity, in a population, is called

A. Birth rate

B. Carrying capacity

C. Fertility rate

D. Biotic potential

Complete List of MCQs in General Engineering and Applied Science per topic