Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
41. International Tropical Timber Organization was established in which of the following year?
[A] 1944
[B] 1983
[C] 1992
[D] 2007
Show Answer
Correct Answer: B [1983]
Notes:
The International Tropical Timber Agreement also called as ITTA was signed in 1983. International Tropical Timber Organization was established under the International Tropical Timber Agreement in 1983 and entered into force in 1985.
42. The International Renewable Energy Agency is headquartered at which of the following places?
[A] Geneva
[B] Washington D. C.
[C] Abu Dhabi
[D] Gurugram
Show Answer
Correct Answer: C [Abu Dhabi]
Notes:
The International Renewable Energy Agency is the first international organization to focus exclusively on renewable energy. It was founded in 2009 & entered into force on 8 July 2010. It is headquartered in Masdar City, Abu Dhabi.
43. Which of the following statements are correct regarding Climate forcings?
1) Negative forcings warm the earth
2) Positive forcings cool the earth.
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: D [Neither 1 & 2]
Notes:
Climate “forcings” are the factors that either increase the effects on the climate system or decrease the effects on the climate system. Positive forcings warm the earth while negative forcings actually cool the earth.
44. Emissions Gap Report is published by which of the following organisation?
[A] WMO
[B] UNEP
[C] IPCC
[D] UNFCCC
Show Answer
Correct Answer: B [UNEP]
Notes:
The Emissions Gap Report is released by the United Nations Environment Programme also called as UNEP. According to the Emissions Gap Report, India is the fourth-largest emitter of Green House Gases (GHGs).
45. Which of the following should be included in an Environment Management Plan?
1. The mitigation and compensation measures for all the identified significant impacts should be delineated.
2. Financial plan for implementing the mitigation measures should be delineated.
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:
The mitigation and compensation measures for all the identified significant impacts should be and financial plan for implementing the mitigation measures should be delineated under Environment Management Plan.
46. Which of the following is a plant that does not tolerate alkaline soil?
[A] Calcicole
[B] Calciphyte
[C] Calcifuge
[D] None of the above
Show Answer
Correct Answer: C [Calcifuge]
Notes:
Calcifuge is a plant that does not tolerate alkaline soil and are also described as ericaceous, as the prototypical calcifuge is the genus Erica (heaths). Under alkaline conditions, iron becomes less soluble.
47. What was the main aim of Ramsar Convention?
[A] Bio-diversity Conservation
[B] Global Warming
[C] Conservation of wetlands
[D] Climate Change
Show Answer
Correct Answer: C [Conservation of wetlands]
Notes:
The Convention on Wetlands, called the Ramsar Convention, is an intergovernmental treaty that provides the framework for national action and international cooperation for the conservation and wise use of wetlands and their resources. It is named after the city of Ramsar in Iran, where the Convention was signed in 1971.
48. In which country the worlds first negative emission carbon capture plant begins its operations?
[A] Iceland
[B] Germany
[C] Japan
[D] China
Show Answer
Correct Answer: A [Iceland]
Notes:
The world’s first negative emissions plant under the CarbFix Project to turn atmospheric carbon dioxide (CO2) into stone has begun operations in Hellisheidi, Iceland. It is intended to lock away carbon dioxide by reacting it with basaltic rocks.
49. Microbial degradation of nitrates into atmospheric nitrogen is known as _____:
[A] Ammonification
[B] Denitrification
[C] Nitrification
[D] Putrefaction
Show Answer
Correct Answer: B [Denitrification]
Notes:
Denitrification is the biological conversion of nitrate to nitrogen gas, nitric oxide or nitrous oxide. It involves nitrate reduction by bacterial species such as Pseudomonas and Clostridium, usually in anaerobic conditions that ultimately produces molecular nitrogen (N2). These bacteria use nitrate as an electron acceptor instead of oxygen during respiration.
50. The potential for air pollution typically increases when the ventilation coefficient is which of the following?
[A] Greater than 11,000 m2/s
[B] Greater than 7,600 m2/s
[C] Less than 3,600 m2/s
[D] Less than 6,000 m2/s
Show Answer
Correct Answer: D [Less than 6,000 m2/s]
Notes:
The ventilation coefficient (m2/s) is a product of maximum mixing depth and average wind speed. It is used as an indicator of the atmosphere’s dispersive capability. High potential for air pollution is generally associated with ventilation coefficient values of less than 6000 m2/s, as established by researchers Portelli and Lewis in 1987.
