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/are the impact of Climate change on Agriculture and food security?
1) Climate Change can affect crop yield
2) Arable land along the coastlines will be reduced as a result of rising sea levels.
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:
Climate change poses a great threat to Agriculture and food security as Climate Change can affect crop yield as well as the types
of crops that can be grown in certain areas. It can also affect the Arable land present along the coastlines as the land will be reduced as a result of rising sea levels.
42. The Downhill movement of earth upper soil layer is mainly caused due to which of the following reason?
[A] Pollution
[B] Rain
[C] Drought
[D] None of the above
Show Answer
Correct Answer: B [Rain]
Notes:
A landslide is the movement of rock, earth, or debris down a sloped section of land. It is mainly caused due to a variety of factors. some of the man-made factors are- Deforestation, removal of the upper layer of soil, etc and the natural causes are rain, earthquake, etc.
43. Which of the following statements are correct regarding Coastal Regulation Zone Notification, 2018?
1. It is based on the recommendations of Shailesh Nayak committee.
2. Defense and strategic projects are exempted from regulations.
3. For CRZ-III (Rural) areas, two separate categories have now been stipulated, i.e., CRZ-IIIA & CRZ-IIIB.
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
Coastal Regulation Zone Notification, 2018 is based on the recommendations of Shailesh Nayak committee. Defense and strategic projects are exempted from regulations. For CRZ-III (Rural) areas, two separate categories have now been stipulated, i.e., CRZ-IIIA & CRZ-IIIB.
44. Which of the following is a measurement of all greenhouse gases we individually produce and has units of tonnes (or kg) of carbon dioxide equivalent?
[A] Carbon footprint
[B] Primary footprint
[C] Secondary footprint
[D] Carbon diet
Show Answer
Correct Answer: A [Carbon footprint]
Notes:
Carbon Footprint is a measurement of all greenhouse gases that we produce individually and has units of tonnes (or kg) of carbon dioxide equivalent. It is made up of the sum of two parts, i.e., the primary footprint and the secondary footprint.
45. Which of the followings is an example of Montane Wet Temperate Forests?
[A] Maple
[B] Hogla
[C] Cocnut
[D] All of the above
Show Answer
Correct Answer: A [Maple]
Notes:
Montane Wet Temperate Forests is found in upper
reaches of North Bengal hills with an
altitude between 1650 m-3000 m. The main sites of these forests are Selimbong, Kankibong, Little Rangit,
Lopchu, Mahaldiram, Paglajhora, etc
in the districts of Darjeeling and
Kalimpong. The species commonly found in these forests are oak, maple,
pine, fir, deodar and spruce.
46. Basel Protocol is related to which of the following?
[A] Ozone layer
[B] Sea water pollution
[C] Burning of forests
[D] Trans-boundary hazardous dumping
Show Answer
Correct Answer: D [Trans-boundary hazardous dumping]
Notes:
The Basel Protocol on Liability and Compensation was adopted at the Fifth Conference of Parties (COP 5) on10 December 1999. The objective of the Protocol is to provide for a comprehensive regime for liability as well as adequate and prompt compensation for damage resulting from the transboundary movement of hazardous wastes and other wastes, including incidents occurring because of illegal traffic in those wastes.
47. Spraying of DDT on crops causes pollution of _____:
[A] Air & Water
[B] Air & Soil
[C] Crops & Air
[D] Soil & Water
Show Answer
Correct Answer: D [Soil & Water]
Notes:
DDT (Dichloro-diphenyl trichloro ethane) is a persistent organic pollutant that is readily adsorbed into soils and sediments, which can act both as sinks and as long-term sources of exposure affecting organisms. It pollutes the ground water system which contaminates the entire food chain by severely affecting humans dependent on these.
48. With respect to humans, why is carbon monoxide a pollutant?
[A] It reacts with haemoglobin
[B] It reacts with sulphur dioxide
[C] It reacts with nitrogen dioxide
[D] It makes nervous system inactive
Show Answer
Correct Answer: A [It reacts with haemoglobin]
Notes:
Carbon monoxide inhibits the blood’s ability to carry oxygen to body tissues including vital organs such as the heart and brain. When CO is inhaled, it combines with the oxygen carrying haemoglobin of the blood to form carboxyhemoglobin (COHb). Once combined with the haemoglobin, that haemoglobin is no longer available for transporting oxygen.
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 is the world’s top environmental conservation award?
[A] Gold Bear Award
[B] Gold Panda Award
[C] Gold Globe Award
[D] Gold Palms Award
Show Answer
Correct Answer: B [Gold Panda Award]
Notes:
The Gold Panda is the highest conservation award by the World Wide Fund for Nature (WWF), the leading global environmental organisation. WWF is an international non-governmental organization founded in 1961, working in the field of the wilderness preservation, and the reduction of humanity’s footprint on the environment.
