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 Atmospheric aerosols?
1) They can scatter and absorb solar and infrared radiation.
2) There are two types of aerosols – Natural aerosols and Anthropogenic aerosols.
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:
Atmospheric aerosol can scatter and absorb the solar and infrared radiation. They can change the microphysical properties of the clouds. There are two types of aerosols – Natural aerosols and Anthropogenic aerosols.
42. Which of the following statements are correct regarding Biofuels?
1) Biofuels are non-renewable sources of energy
2) Biofuels may be solid, liquid or gaseous in nature
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: B [Only 2]
Notes:
A biofuel is a fuel that is produced through contemporary processes from biomass (living or once-living material). They are a renewable source of energy and can be solid, liquid, or gaseous in nature.
43. The India Tsunami Warning centre is located at which of the following places?
[A] Chennai
[B] Hyderabad
[C] Goa
[D] Mumbai
Show Answer
Correct Answer: B [Hyderabad]
Notes:
The Indian Tsunami Early Warning System popularly called as ITEWS was established under the responsibility of The Ministry of Earth Sciences. The Indian Tsunami Early Warning System was established in 2007 and is located in Hyderabad.
44. Which of the following statements are correct regarding Impact prediction in EIA?
1. It is a method of mapping the environmental impacts of the significant aspects of the project and its alternatives.
2. Environmental impact can be predicted with absolute certainty.
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:
Impact prediction in EIA is a method of mapping the environmental impacts of the significant aspects of the project and its alternatives. Environmental impact can never be predicted with absolute certainty.
45. The Adaptation Fund is supervised and managed by which of the following?
[A] U.N. security council
[B] United Nations Framework Convention on Climate Change
[C] Adaptation Fund Board
[D] World Bank
Show Answer
Correct Answer: C [Adaptation Fund Board]
Notes:
The Adaptation Fund was set up to finance the projects and programs aimed at helping developing countries to adapt to the harmful effects of climate change. The Adaptation Fund is supervised and managed by the Adaptation Fund Board (AFB).
46. 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.
47. Environmental pollution can be controlled by _____:
[A] Sewage treatment
[B] Manufacturing electric vehicles
[C] Checking atomic blasts
[D] All of the above
Show Answer
Correct Answer: D [All of the above ]
Notes:
Checking atomic blasts will reduce radioactive pollution. Sewage pollution can be prevented by treating sewage before passing into water course, in sewage treatment plant or effluent treatment plant (ETP). Electrically operated vehicles will control automobile exhaust and improve the air quality in cities. Environmental pollution can be controlled by treating factory wastes before disposing of them. So, if we treat wastewater before disposing of in a river, it will surely decrease the amount of dumped pollutants. For example- Steel industries have a high concentration of cyanide in it, and it led to harmful effect. So, treatment is really necessary.
48. Dodo is a bird categorized under ____:
[A] Endangered
[B] Critically endangered
[C] Extinct
[D] Rare
Show Answer
Correct Answer: C [Extinct]
Notes:
The dodo (Raphus cucullatus) is an extinct flightless bird that was endemic to the island of Mauritius, east of Madagascar in the Indian Ocean. Subfossil remains show the dodo was about 1 metre (3ft 3 inches) tall and may have weighed 10.6–17.5 kg (23– 39 lb) in the wild. The closest living relative of the dodo is the Nicobar pigeon.
49. Kyoto Protocol, an agreement signed by various countries, is associated with ______:
[A] International Trade
[B] Building common food stock to save human beings from any natural disaster
[C] Clean Environment and Climate Change
[D] Deep Sea Oil and Mineral Exploration
Show Answer
Correct Answer: C [Clean Environment and Climate Change]
Notes:
The Kyoto Protocol was an international treaty which extended the 1992 United Nations Framework Convention on Climate Change that commits state parties to reduce greenhouse gas emissions, based on the scientific consensus that global warming is occurring and that human-made CO2 emissions are driving it.
50. Which of the wildlife sanctuary is not correctly matched with respective state?
[A] Ranthambhore- Rajasthan
[B] Simlipal- Bihar
[C] Bandipur- Tamil Nadu
[D] Manas- Uttar Pradesh
Show Answer
Correct Answer: A [Ranthambhore- Rajasthan]
Notes:
Ranthambore National park is spread over an area of 392 sq km. along with its nearby sanctuaries like, the Mansingh Sanctuary and Kaila Devi Sanctuary. The park is majorly famous for its tigers, and is one of the best locations in India to see the majestic predators in its natural habitat.
