MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
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.
| 451. |
PCBs stands for |
| A. | Poly Calcium biphenyls |
| B. | Poly chloride |
| C. | Polychlorinated by phenyls |
| D. | Poly Carbon biphenyls |
| Answer» D. Poly Carbon biphenyls | |
| 452. |
Oil slicks are responsible for killing species, particularly |
| A. | Insects |
| B. | Wild animals |
| C. | Terrestrial animals |
| D. | Marine habitat |
| Answer» E. | |
| 453. |
Solids in rivers and oceans, included nitrogen fertilizers, agraric run off and |
| A. | Stones |
| B. | Soil |
| C. | Medications and hormones |
| D. | pebbles |
| Answer» D. pebbles | |
| 454. |
Examples included in point source pollutants are sewage pipe, industries and |
| A. | Urban storm runoff |
| B. | Dust from strip mining |
| C. | Noise from windmill |
| D. | waste from industries |
| Answer» D. waste from industries | |
| 455. |
Primary sources of plastics, included fishing nets, cargo, cruise ships and |
| A. | Military waste |
| B. | Oil Tankers |
| C. | Sediments |
| D. | heat waves |
| Answer» B. Oil Tankers | |
| 456. |
Drifting solids, incororated with flying ashes, metal, dust particles and |
| A. | Solid waste |
| B. | Particulate matters |
| C. | Plastic waste |
| D. | factories chemical waste |
| Answer» C. Plastic waste | |
| 457. |
Fat soluble toxins, known as bioaccumulation assembled in the |
| A. | Predators |
| B. | Plants |
| C. | Soils |
| D. | sea |
| Answer» B. Plants | |
| 458. |
Increased level of ROS causing membranes |
| A. | Infections |
| B. | Dysfunctions |
| C. | Disease |
| D. | fusion |
| Answer» C. Disease | |
| 459. |
Good biomarkers are applicable to both laboratory and |
| A. | Oceans |
| B. | Lands |
| C. | Soils |
| D. | Field studies |
| Answer» E. | |
| 460. |
Metalothioneins are having proteins rate, approximately |
| A. | 67 kDa |
| B. | 9 kDa |
| C. | 32 kDa |
| D. | 0 kDa |
| Answer» B. 9 kDa | |
| 461. |
Biomarkers are specialize in anticipating changes in the |
| A. | Plants |
| B. | Animals |
| C. | Higher Organisms |
| D. | Insects |
| Answer» D. Insects | |
| 462. |
Scorbic acid is best known as |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin D |
| Answer» D. Vitamin D | |
| 463. |
ROS refers to collection of Oxygen, deriving from |
| A. | Plants |
| B. | Animals |
| C. | Cells |
| D. | Molecules |
| Answer» E. | |
| 464. |
Tocopherols are known as |
| A. | VitaminC |
| B. | Vitamin A |
| C. | Vitamin D |
| D. | Vitamin E |
| Answer» E. | |
| 465. |
Enzymes that are associated with conjugation of xenobiotic, termed as |
| A. | Chemicals |
| B. | Cytochrome P450 monoxygenase |
| C. | Xenophytes |
| D. | Glutathione S transferase |
| Answer» E. | |
| 466. |
In detoxification markers, main associated enzymes are |
| A. | Chemicals |
| B. | Cytochrome P450 monoxygenase |
| C. | Hormones |
| D. | Cytochrome |
| Answer» C. Hormones | |
| 467. |
Plants synthesize an oligomer of glutathione, known as |
| A. | Reactions |
| B. | Chelations |
| C. | Phytochelatins |
| D. | Cytochrome |
| Answer» D. Cytochrome | |
| 468. |
ROS stands for |
| A. | Reactive oxidative Shells |
| B. | Reactive oxygen Species |
| C. | Reduced oil shells |
| D. | Reduced oxidation species |
| Answer» C. Reduced oil shells | |
| 469. |
Second step in deoxidation markers is involved in conjugation of |
| A. | Biodegradation |
| B. | Bioventing |
| C. | Xenobiotic |
| D. | Biomes |
| Answer» D. Biomes | |
| 470. |
First group of stress defense enzymes, regarded as |
| A. | Heat shock proteins |
| B. | Antidote |
| C. | Antioxidants |
| D. | anxiety booster |
| Answer» B. Antidote | |
| 471. |
Biomarkers, having a high toxicological |
| A. | Identifiable |
| B. | Reactive oxygen Species |
| C. | Identity |
| D. | Relevance |
| Answer» E. | |
| 472. |
In detoxification, pollutant enters living cells through |
| A. | Reduction and Oxidation |
| B. | Chemical reactions |
| C. | Degradation |
| D. | small pores |
| Answer» B. Chemical reactions | |
| 473. |
ROS, comprises of singlet oxygen, super oxide anions and |
| A. | Hydroxyl radicals |
| B. | CFCs |
| C. | Pollutants |
| D. | Aerosols |
| Answer» B. CFCs | |
| 474. |
If an organism faces a stress, its cells erects a response, known as |
| A. | Cell response |
| B. | Molecular responses |
| C. | Dosage |
| D. | Cellular stress response |
| Answer» E. | |
| 475. |
In oxidative stress, cell has to deal with an increased production of |
| A. | Dosage |
| B. | Cells |
| C. | Reactive oxygen Species |
| D. | heat waves |
| Answer» D. heat waves | |
| 476. |
Mysid shrimp become hyperactive, after being interacted with the |
| A. | weeds |
| B. | pesticide chlorpyrifos |
| C. | DDT |
| D. | Herbicides |
| Answer» C. DDT | |
| 477. |
Biomarkers, serving as a specific early warning indicators of |
| A. | Pollution |
| B. | Liquid evaporation |
| C. | Diseases |
| D. | Doses |
| Answer» B. Liquid evaporation | |
| 478. |
Risk makers measures effect on the population, community and |
| A. | Ecological Level |
| B. | Biomes |
| C. | Forests |
| D. | Lands |
| Answer» B. Biomes | |
| 479. |
Biomarkers expertise captivated in detecting presence of both known and unknown |
| A. | Chemicals |
| B. | Contaminants |
| C. | Plants |
| D. | Pollutants |
| Answer» C. Plants | |
| 480. |
Metallothioneins consists of 25% of their amino acids of |
| A. | Cytochrome |
| B. | The bearing cysteine |
| C. | Xenobiotics |
| D. | endogenous substances |
| Answer» C. Xenobiotics | |
| 481. |
Effect marker measures direct consequences of |
| A. | Microorganism |
| B. | Animals |
| C. | Plants |
| D. | All of above |
| Answer» E. | |
| 482. |
Salmon changes its temperature preference, ranges from 19.1 °C to 23.4 °C, due to presences of |
| A. | DDT |
| B. | Insects |
| C. | Plants |
| D. | Animals |
| Answer» B. Insects | |
| 483. |
Biomarkers responded rapidly in presence of |
| A. | Water |
| B. | Animals |
| C. | Pollutants |
| D. | sea creature |
| Answer» D. sea creature | |
| 484. |
There are three types of |
| A. | Bioventing |
| B. | Biomarkers |
| C. | Biodegradation |
| D. | Biosphere |
| Answer» C. Biodegradation | |
| 485. |
ROS are by products of |
| A. | Anaerobic Metabolism |
| B. | Aerobic Metabolism |
| C. | Xerobiotics |
| D. | Atmosphere |
| Answer» C. Xerobiotics | |
| 486. |
Exposure markers are being capable of measuring amount of |
| A. | Organisms |
| B. | Pollutants |
| C. | Xenobiotic chemicals |
| D. | radioactivity |
| Answer» D. radioactivity | |
| 487. |
Tocopherols are lipophilic and can be found in |
| A. | Cell membranes |
| B. | Organs |
| C. | Plants |
| D. | animals |
| Answer» B. Organs | |
| 488. |
Pollutants are being executive, in altering animals feeding |
| A. | Amount of food |
| B. | Types of food |
| C. | patterns |
| D. | routine |
| Answer» D. routine | |
| 489. |
Increased amount of NO₂ and SO₂ in atmosphere causes |
| A. | Eutrophication |
| B. | Acid Rain |
| C. | Deforestation |
| D. | Urbanization |
| Answer» C. Deforestation | |
| 490. |
Lighter dust fractions and debris are taken up by |
| A. | Rivers |
| B. | Water |
| C. | Wind |
| D. | Lakes |
| Answer» D. Lakes | |
| 491. |
A combustion process, produces a significant amount of |
| A. | NO₂ and SO₂ |
| B. | CO₂ |
| C. | Pollutants |
| D. | energy |
| Answer» B. CO₂ | |
| 492. |
Adrenaline hormone is produced by |
| A. | Thyroid gland |
| B. | Adrenal glands |
| C. | Pancreas |
| D. | salivary glands |
| Answer» C. Pancreas | |
| 493. |
The natural process of emulsification of oil in water can be accelerated through the use of chemical dispersants? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 494. |
What is the reason that oil pollution attracts the greatest attention? |
| A. | Because of the volume |
| B. | Because of the density |
| C. | Because of the mass |
| D. | Because of the visibility |
| Answer» E. | |
| 495. |
The Deepwater Horizon oil spill considered amongst the largest oil spills in history. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 496. |
Which of the following way is used to reduce the pollution load on marine water? |
| A. | Manual cleaning of pollutants |
| B. | Damping the pollutants during winter |
| C. | Introducing sewage treatment plants |
| D. | Ban the license of industries which are near to the sea |
| Answer» D. Ban the license of industries which are near to the sea | |
| 497. |
When does the rate of aerobic oxidation reduced in the sewage that is reduced to the water? |
| A. | When oxygen concentration falls below 1.5 mg/l |
| B. | When oxygen concentration falls below 2.5 mg/l |
| C. | When oxygen concentration falls below 3.5 mg/l |
| D. | When oxygen concentration falls below 4.5 mg/l |
| Answer» B. When oxygen concentration falls below 2.5 mg/l | |
| 498. |
Which of the following is the greatest volume of waste discharge to water? |
| A. | Spillage from oil pipelines |
| B. | Sewage |
| C. | Nuclear waste |
| D. | Spillage from tankers |
| Answer» C. Nuclear waste | |
| 499. |
Why ship accidents cause marine pollution? |
| A. | Because if the ship carrying passengers to collapse it results in the death of many people |
| B. | Because ship is very huge in its size |
| C. | Dredged material which carries heavy metals cause marine pollution |
| D. | Ship materials stuck inside the marine organisms |
| Answer» D. Ship materials stuck inside the marine organisms | |
| 500. |
Which is the most input of waste causing marine pollution? |
| A. | Pesticides |
| B. | Pipes directly discharge waste into the sea |
| C. | Death of aquatic organisms |
| D. | Climatic conditions |
| Answer» C. Death of aquatic organisms | |