Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
1. Which of the following work as bio indicator of environmental pollution?
[A] Diatoms
[B] Coral Reefs
[C] Fishes
[D] Lichens
Show Answer
Correct Answer: D [Lichens]
Notes:
Lichens are very sensitive to air pollution and water pollution. Areas with healthy lichen populations are lower in air pollution and water pollution. Lichens can thus be used as reliable biological indicators of pollution.
2. What is the direction of flow of energy in an ecosystem?
[A] Unidirectional
[B] Bidirectional
[C] Multidirectional
[D] Cyclic
Show Answer
Correct Answer: A [ Unidirectional ]
Notes:
The energy enters the plants from the sun through the photosynthesis process. This energy is then passed on from one organism to another in a food chain. The flow of energy in the ecosystem is unidirectional because the energy lost as heat from the living organisms of a food chain cannot be reused by plants in photosynthesis. During the transfer of energy through successive trophic levels in an ecosystem, there is a loss of energy all along the path.
3. Which among the following is the largest tiger reserve in India?
[A] Ranthambore National park
[B] Jim Corbett National Park
[C] Kanha National Park
[D] Nagarjuna Srisailam Sanctuary
Show Answer
Correct Answer: D [Nagarjuna Srisailam Sanctuary]
Notes:
Nagarjunsagar-Srisailam Tiger Reserve is considered as the largest tiger reserve in India. It was stablished in the year 1983. It spreads over five districts i.e. Kurnool, Prakasam, Guntur, Nalgonda and Mahbubnagar. The total area of the reserve is 3,728 sq km.
4. Which among the following is the upper limit of sound advice of Central Pollution Control Board (CPCB) for residential areas?
[A] 55 Decibels
[B] 60 Decibels
[C] 75 Decibels
[D] 90 Decibels
Show Answer
Correct Answer: A [55 Decibels]
Notes:
Central Pollution Control Board (CPCB) has declared the permissible noise level in India for different areas. In industrial areas, it is 75 dB (daytime) and 70 dB (night). In commercial areas, it is 65 dB and 55 dB respectively and in residential areas it is 55 dB and 45 dB.
5. With which of the following is related CITES in context with the global issues today?
[A] Environment Protection
[B] Financial Slowdown
[C] Poverty Alleviation Programmes of United Nations
[D] Information Technology
Show Answer
Correct Answer: A [Environment Protection]
Notes:
CITES is Convention on International Trade in Endangered Species of Wild Fauna and Flora, also known as the Washington Convention signed in 1973.
6. Which among the following is world’s top country in terms of clean energy investment?
[A] USA
[B] China
[C] Japan
[D] Germany
Show Answer
Correct Answer: B [China]
Notes:
China is the world’s top country in terms of clean energy investment with the investment of 83.4 billion U.S. dollars. China is followed by US, Japan and India (9.3 billion U.S. dollars).
7. World Conservation Monitoring Centre, a biodiversity information and assessment arm of the United Nations Environment Programme is located at ?
[A] Cambridge
[B] New York
[C] Geneva
[D] Paris
Show Answer
Correct Answer: A [Cambridge]
Notes:
The United Nation Environment Programme World Conservation Monitoring Centre is an executive agency of UN Environment Programme, which is based in Cambridge (UK). It was previously managed by IUCN, UN Environment Programme and WWF.
8. Which among the following soil type has a property of holding moisture for release of plants during the dry period?
[A] Alluvial
[B] Black
[C] Lateritic
[D] Red & Yellow
Show Answer
Correct Answer: B [Black]
Notes:
Black soil is known for its ability to hold moisture. This soil can retain moisture for a long time, which can help crops during dry seasons. Black soil is sticky when wet, so it’s difficult to work with. It’s usually tilled after the first shower or during the pre-monsoon period.
The ability of soil to retain water is related to the size of its particles. Clay soil has small, fine particles, so it retains the most water. Sand has larger particles and retains the least water. Silt and loam have medium-size particles and retain a moderate amount of water.
9. Which of the following National Park is called “Topslip”?
[A] Indira Gandhi Wildlife Sanctuary and National Park
[B] Mudumalai National Park
[C] Mukurthi National Park
[D] Palani Hills National Park
Show Answer
Correct Answer: A [Indira Gandhi Wildlife Sanctuary and National Park]
Notes:
Aanaimalai Tiger Reserve was also known as Indira Gandhi Wildlife Sanctuary and National Park is located in the state of Tamil Nadu. The practice of sliding timber logs down the hills from a place located in the northeast corner of the park is named as “Topslip”. It is a famous tourist attraction.
10. “Ecology is Permanent Economy“. This slogan is related to which of the following?
[A] Chipko Movement
[B] Narmada Bachao Andolan
[C] Appiko movement
[D] None of them
Show Answer
Correct Answer: A [Chipko Movement]
Notes:
The Chipko movement began in 1970s in Uttarakhand and a some part of Uttar Pradesh. It was a forest conservation movement. Sunderlal Bahuguna initiated the Chipko Movement. Notablr activists of the movement are Gaura Devi, Suraksha Devi, Sudesha Devi, Bachni Devi and Chandi Prasad Bhatt, Virushka Devi.
