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 is not a feature of the Eutrophic lakes?
[A] They are generally occupied by blooms
[B] They have high plant nutrient flux
[C] They have low primary productivity
[D] They are dominated by blue green algae
Show Answer
Correct Answer: C [ They have low primary productivity ]
Notes:
C is incorrect because its high primary productivity which makes occupied by blooms.
2. The “Aichi Targets” are related to _____?
[A] Conservation of Biodiversity
[B] Conservation of Wetlands
[C] Conservation of Coral reefs
[D] Prevention of Plastic use
Show Answer
Correct Answer: A [ Conservation of Biodiversity ]
Notes:
The Aichi Targets are a set of 20, time-bound, measureable targets for the conservation of biodiversity. The targets were agreed by the Parties to the Convention on Biological Diversity in Nagoya, Japan, in October 2010. Achievement of the targets will contribute to reducing, and eventually halting, the loss of biodiversity at a global level by the middle of the twenty-first century.
3. 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.
4. Pench National Park, which was included under the umbrella of “Project Tiger” is located in:
[A] Gujarat
[B] Madhya Pradesh
[C] Chhattisgarh
[D] Assam
Show Answer
Correct Answer: B [Madhya Pradesh]
Notes:
Pench National Park is located in the state of Madhya Pradesh and Maharashtra. It was established in the year 1975. In the year 2011, it bagged the “Best Management Award”. The Project Tiger Scheme was launched in 1992.
5. Which among the following National Park is distinct in India because it encompasses a Project Tiger Reserve, an Elephant Reserve and a Biosphere Reserve (all of them)?
[A] Manas Tiger Reserve
[B] Kanha Tiger Reserve
[C] Panna Tiger Reserve
[D] Simplipal Tiger Reserve
Show Answer
Correct Answer: A [Manas Tiger Reserve]
Notes:
Manas National Park is located in the state of Assam. It is a national park, UNESCO Natural World Heritage site, a Project Tiger reserve, an elephant reserve and a biosphere reserve. It is home to endangered endemic wildlife like Assam roofed turtle, hispid hare, golden langur and pygmy hog.
6. “Fish meal” is widely used as which among the following?
[A] Cost effective Food
[B] Poultry Feed Additive
[C] Organic Fertilizer
[D] Bird food
Show Answer
Correct Answer: C [Organic Fertilizer]
Notes:
Fish meal is made from fish that are not suitable for human consumption. It is used to feed farm animals. It is also a nutrients rich organic fertilizer with a NPK ratio of 10-2-2.
7. What is the approximate percentage of the world’s total Mangrove vegetation found in India?
[A] 3%
[B] 6%
[C] 9%
[D] 12%
Show Answer
Correct Answer: A [3%]
Notes:
India is home to approximately 3% of the world’s total Mangrove vegetation. These unique ecosystems are crucial as they protect coastal areas from erosion, storm surge, and tsunamis. India’s Mangroves are spread across several states such as West Bengal, Andhra Pradesh, and Gujarat, hosting a diverse range of fauna including Bengal Tigers and saltwater crocodiles.
8. Hoollongapar Gibbon Sanctuary which is home to only ape in India, the hoolock gibbon is lcoated in which of the following state?
[A] West Bengal
[B] Nagaland
[C] Assam
[D] Karnataka
Show Answer
Correct Answer: C [Assam]
Notes:
The Hoollongapar Gibbon Sanctuary is located in the state of Assam. It is an isolated protected area of evergreen forest. It was officially constituted in 1997. It is home to only ape in India, the hoolock gibbon.
9. Which among the following acts is the specific legislation for declaration and regulation of the Biosphere Reserves in India?
[A] Wildlife Protection Act 1972
[B] Biological Diversity Act, 2002
[C] Environment (Protection) Act, 1986
[D] None of above
Show Answer
Correct Answer: D [None of above]
Notes:
There is no act in India to specifically regulate and declare the Biosphere Reserves
10. The highest per capita emitter of Carbon dioxide in the world is :
[A] USA
[B] China
[C] Qatar
[D] Saudi Arabia
Show Answer
Correct Answer: C [Qatar]
Notes:
The world’s largest CO2 emitter country is China and per capita emission is highest in Qatar with 49 tonnes per person. Qatar is followed by Tobago, Kuwait, UAE.
