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 Green Building?
1. Green Buildings minimize the demand of non-renewable resources and maximizes their utilization efficiency.
2. They minimize reuse and recycling of available resources.
3. It benefits environment through the utilization of renewable resources.
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: C [Only 1 & 3]
Notes:
Green Buildings minimize the demand of non-renewable resources and maximizes their utilization efficiency. They maximize reuse and recycling of available resources in the environment. It benefits environment through the utilization of renewable resources.
42. Which of the following biomes are included in the First phase of the LTEO Programme?
1) Eastern Himalayas
2) Western Himalayas
3) Eastern Ghats
4) Western Ghats
Select the correct option from the codes given below:
[A] Only 1 & 4
[B] Only 1, 2, & 4
[C] Only 1, 2 & 3
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: B [Only 1, 2, & 4]
Notes:
The following Eight Biomes were considered in the first phase of the LTEO Programme namely; Western Himalaya, Eastern Himalaya, North-Western Arid Zone, Central Indian Forests, Western Ghats, Andaman & Nicobar Islands, Jammu & Kashmir and Sundarbans.
43. The concept of sustainable development was described by which of the following?
[A] Club of Rome
[B] Agenda 21
[C] Bruntland Commission Report
[D] None of the above
Show Answer
Correct Answer: C [Bruntland Commission Report]
Notes:
The concept of sustainable development was described by the Bruntland Commission Report of 1987. It described sustainable development as “development that meets the needs of the present without compromising the ability of future generations to meet their own needs.”
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. Deciduous forests can be seen in the areas having what amount of rainfall annually?
[A] 60-120 cm
[B] 120-150 cm
[C] 150-200 cm
[D] 200-250 cm
Show Answer
Correct Answer: A [60-120 cm]
Notes:
Deciduous forests can be seen in areas receiving 60 to 120 cms of rainfall annually.
46. The Red Data Book is the documentation of endangered rare species of ____:
[A] Other living organisms
[B] Fauna
[C] Flora
[D] All of the above
Show Answer
Correct Answer: D [All of the above ]
Notes:
A Red Data Book contains lists of species whose continued existence is threatened. Species are classified into different categories of perceived risk. It documents rare and endangered species of animals, plants and fungi, as well as other living organisms in an area, region or country.
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. Which of the following is a biotic component of environment?
[A] Energy
[B] Radiation
[C] Water
[D] Green plant
Show Answer
Correct Answer: D [Green plant]
Notes:
Biotic components are the living things that shape an ecosystem. Examples of biotic components include animals, plants, fungi, and bacteria. Abiotic components are non-living components that influence an ecosystem. Examples of abiotic factors are temperature, air currents, and minerals.
49. 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.
50. In which country is the Great Dividing Range situated?
[A] Australia
[B] New Zealand
[C] Canada
[D] United States
Show Answer
Correct Answer: A [Australia]
Notes:
The Great Dividing Range, home to a UNESCO World Heritage Site – the Wet Tropics of Queensland, exhibits an exceptional display of natural beauty, diverse species, and is soaked in evolutionary history. This region preserves the ancient Gondwanan forest of 50-100 million years ago, and is significant in deciphering the evolution of Australian flora and fauna. The range hosts over 400 threatened or rare species and indigenous communities have resided here for over 5,000 years. The highest Australian waterfall, Wallaman Falls, the 13 primary river systems, and multiple national parks are also part of this geography.
