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 statements are correct regarding Water Pollution?
1) Water pollution is not only confined to surface water, but it has also spread to groundwater, sea, and ocean.
2) The industries discharge several inorganic and organic pollutants, which may prove highly toxic to living beings.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
Water pollution is the addition of undesirable substances in water such as organic, inorganic, biological, radiological, etc. It is not only confined to surface water, but it has also spread to groundwater, sea, and ocean. The industries discharge several inorganic and organic pollutants, which may prove highly toxic to living beings.
42. The United Nations Framework Convention on Climate Change was adopted in which of the following year?
[A] 1991
[B] 1992
[C] 1993
[D] 1994
Show Answer
Correct Answer: B [1992]
Notes:
The United Nations Framework Convention on Climate Change is an international environmental treaty that was adopted on 9 May 1992. It was opened for signature at the Earth Summit in Rio de Janeiro and entered into force in 1994.
43. The Air (Prevention and Control of Pollution) Act was passed in which of the following years?
[A] 1981
[B] 1982
[C] 1983
[D] 1984
Show Answer
Correct Answer: A [1981]
Notes:
The Air (Prevention and Control of Pollution) Act was passed in 1981. The Act states that sources of air pollution, for example, industry, vehicles, power plants, etc., are not permitted to release particulate matter, lead, carbon monoxide, sulfur dioxide, nitrogen oxide, volatile organic compounds (VOCs) or other toxic substances beyond a prescribed limit.
44. Which of the following statements are correct regrading Biopiracy?
1. It refers to the theft of genetic materials especially plants and other biological materials by the process of patent.
2. It is a situation where indigenous knowledge of nature, originating with indigenous people, is
exploited for commercial gain without permission and compensation.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
Biopiracy refers to the theft of genetic materials especially plants and other biological materials by the process of patent. It is a situation where indigenous knowledge of nature, originating with indigenous people, is exploited for commercial gain without permission and compensation.
45. Which of the following statements is/are correct regarding the Land Use, Land-Use Change, and Forestry?
1) It is a greenhouse gas inventory sector.
2) It can provide a relatively cost-effective way of offsetting emissions.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
Land Use, Land-Use Change, and Forestry, which is also termed as LULUCF is a green house inventory sector. It provides us a relatively cost-effective way of offsetting the green house emissions.
46. Where is Nagavara lake located in Karnataka?
[A] Gulbarga
[B] Hubbali
[C] Kolar
[D] Bengaluru
Show Answer
Correct Answer: D [Bengaluru]
Notes:
Nagavara lake is located in Bengaluru, Karnataka. Bengaluru is known for several lakes formed from natural and man-made sources. Nagavara lake is among the prominent lakes in the city.
47. The presence of pollutants in the environment is usually expressed in ppm, where ppm stands for ____:
[A] Particles per mole
[B] Purity per microgram
[C] Pollutant prevent measures
[D] Parts per million
Show Answer
Correct Answer: D [Parts per million]
Notes:
PPM is an abbreviation of Parts Per Million. It is commonly used as a measure of small levels of pollutants in air, water, body fluids, etc. Parts per million is the mass ratio between the pollutant component and the solution.
48. Solar energy is converted into chemical energy during ____:
[A] Photosynthesis
[B] Combustion
[C] Transition
[D] Fusion
Show Answer
Correct Answer: A [Photosynthesis]
Notes:
Photosynthesis in plants converts radiant energy from the sun into chemical energy in the form of glucose (sugar) using electrons and protons from water. Plants take in water, carbon dioxide, and sunlight and turn them into glucose and oxygen. Water (6H2O) + Carbon Dioxide (6CO2) + Sunlight (Radiant Energy) = Glucose (C6H12O6) + Oxygen (6O2).
49. 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.
50. To which reef system does Glover’s Reef belong?
[A] The Belize Barrier Reef Reserve System
[B] The Great Barrier Reef
[C] The Red Sea Coral Reef
[D] The Coral Triangle
Show Answer
Correct Answer: A [The Belize Barrier Reef Reserve System]
Notes:
Glover’s Reef is a part of The Belize Barrier Reef Reserve System, a UNESCO World Heritage Site since 1996. This is the world’s second largest reef system, extending 300 km along the coast of Belize. It’s a host to seven protected areas inclusive of three atolls: Turneffe, Lighthouse, and Glover’s Reef. The complex supports 1,400 known species, among them 17 endangered ones such as the American crocodile, manatee, and different sea turtles. The system, notable for its pristine condition, was deemed by Charles Darwin as the “most remarkable reef in the West Indies”.
