Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
41. Which of the following is a man-made disaster?
1) Volcanism
2) Pollution
3) Terrorism
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2, & 3
Show Answer
Correct Answer: B [Only 2 & 3]
Notes:
Man-made disasters which are also called as Anthropogenic disasters are hazards that are caused by human action. Some of the major Man-made disasters are Terrorism, Pollution, Climate change, etc. On the other hand Volcanism is a natural phenomenon.
42. Which of the following is called the place of origin an earthquake?
[A] Focus
[B] Hypercenter
[C] Epicenter
[D] None of the above
Show Answer
Correct Answer: A [Focus]
Notes:
The Focus of an earthquake, which is also called as a Hypocenter is the point of the origin of an earthquake whereas the epicenter is the point just exactly above the focus.
43. Which of the following are Environmentally Sensitive Places?
1. Religious and historic places
2. Archaeological monuments/sites
3. Biosphere reserves
4. Airport
Select the correct option from the codes given below:
[A] Only 1, 2 & 3
[B] Only 2, 3 & 4
[C] Only 1, 3 & 4
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: D [1, 2, 3 & 4]
Notes:
Some of the Environmentally Sensitive Places are as follows:
1. Religious and historic places
2. Archaeological monuments/sites
3. Biosphere reserves
4. Airport
5. Natural lakes, swamps Seismic zones tribal Settlements
6. Hill resorts/mountains/ hills
44. In which type of forest rosewood, Mahogany, Dhupa trees are found?
[A] Mixed Forest
[B] Deciduous Forest
[C] Evergreen Forest
[D] None of the above
Show Answer
Correct Answer: C [Evergreen Forest]
Notes:
Tall trees like rosewood, mahogany, kino, teak, dhupa, and hebbalasu grow in Evergreen Forest.
45. The five key indicators of global climate change of our planet are ____:
[A] Antarctic Sea ice, Oxygen, Rainfall, Drought and Sea level
[B] Sea-level, Rising temperatures, Rainfall, Nitrogen and Arctic Sea ice
[C] Arctic Sea ice, Carbon dioxide, Global Temperature, Sea level and Land ice
[D] None of the above
Show Answer
Correct Answer: C [Arctic Sea ice, Carbon dioxide, Global Temperature, Sea level and Land ice]
Notes:
National Aeronautics and Space Administration (NASA) has developed a series of interactive maps and graphs to describe the global climate and how it has changed over time. They focus on 5 key climate indicators:
• carbon dioxide concentration
• global surface temperature
• Arctic sea ice
• land ice
• sea level
46. Study of organisms in relation to their environment is called ____:
[A] Zoology
[B] Ecology
[C] Entomology
[D] Palynology
Show Answer
Correct Answer: B [Ecology]
Notes:
Ecology is the scientific study of interactions among organisms and their environment, such as the interactions organisms have with each other and with their abiotic environment. Topics of interest to ecologists include the diversity, distribution, amount (biomass), number (population) of organisms, as well as competition between them within and among ecosystems.
47. Which among the following can be termed as a “dynamic living entity”?
[A] Tree
[B] Water
[C] Forest
[D] Air
Show Answer
Correct Answer: C [Forest]
Notes:
Forests are home to a large number of plants and animals. They are the “green lungs” and serve as water purifying systems of nature. In a forest, there are various types of interactions that occur between the living and the non-living components. The oxygen released during photosynthesis is used by the animals for respiration. In this way, plants and animals help in maintaining the balance of oxygen and carbon dioxide in the atmosphere. Therefore, forests can be considered as a dynamic living entity.
48. In which State is the Sultanpur Bird Sanctuary located?
[A] Odisha
[B] Rajasthan
[C] Haryana
[D] Uttar Pradesh
Show Answer
Correct Answer: C [Haryana]
Notes:
Sultanpur National Park is located at Sultanpur, Haryana in Gurgaon District, Haryana. As a bird sanctuary it was the finding of Peter Jackson, famous ornothologist, and Honorary Secretary of the Delhi Birdwatching Society, who wrote to Prime Minister of India, Indira Gandhi, founder of the Society, in 1970 about the need to declare the Sultanpur jheel near Delhi, a bird sanctuary, and she asked him to take her there.
49. The term ‘Ecological sanitation’ is associated with:
[A] Plastic Waste
[B] Human excreta
[C] Air Pollution
[D] Vultures
Show Answer
Correct Answer: B [Human excreta]
Notes:
Ecological sanitation is a sustainable system for handling human excreta, using dry composting toilets. This is a practical, hygienic, efficient and cost-effective solution to human waste disposal. With this composting method, human excreta can be recycled into a resource (as natural fertiliser), which reduces the need for chemical fertilisers.
50. Which of the following Colour coded weather alert is issued by IMD when there is a chance of more than 20 cm rainfall in 24 hours?
[A] Green
[B] Orange
[C] Red
[D] Yellow
Show Answer
Correct Answer: C [Red]
Notes:
The Indian Meteorological Department (IMD) uses a color-coded alert system for weather events. A green alert indicates no action is required. A yellow alert signals potential rainfall of 6-11 cm in 24 hours, while an orange alert indicates heavy rainfall of 6-20 cm. A red alert warns of extremely heavy rainfall exceeding 20 cm in a 24-hour period.