Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
1. The Pushpagiri Wildlife Sanctuary (PWS) is located in which state?
[A] Kerala
[B] Karnataka
[C] Andhra Pradesh
[D] Goa
Show Answer
Correct Answer: B [Karnataka ]
Notes:
The Pushpagiri Wildlife Sanctuary (PWS) is located in Somwarpet taluk of the Kodagu district, Karnataka and is spread over 102.59 square kilometres. It is home to rare and endangered birdlife such as great pied hornbill, Malabar trogon and Nilgiri blackbird. It is also home to mammals include elephant, tiger, slender loris, Nilgiri marten and bonnet macaque.
2. The Aralam Wildlife Sanctuary (AWS) is located in which state?
[A] Karnataka
[B] Kerala
[C] Telangana
[D] Andhra Pradesh
Show Answer
Correct Answer: B [Kerala ]
Notes:
The Aralam Wildlife Sanctuary (AWS) is located in the southeast part of Kannur District of Kerala and covers an area of 55 Sq. Km. It is home to elephant, wild boar, leopard, mongoose, nilgiri langur, hanuman langur, malabar giant squirrel, etc.
3. The Nameri National Park (NNP) is located in which district of Assam?
[A] Sonitpur
[B] Darrang
[C] Goalpara
[D] Karbi Anglong
Show Answer
Correct Answer: A [Sonitpur ]
Notes:
The Nameri National Park (NNP) is located in the foothills of the eastern Himalayas in the Sonitpur District of Assam and covers an area of 200 km2. This forest has over 600 species. Some notable species are Gmelina arborea, Michelia champaca, Amari and Bonjolokia. The park is an ideal habitat for a host of other animals including the tiger, leopard, sambar, dhole (the Asiatic wild dog), pygmy hog and Indian wild bison. It is home for orchids like Dendrobium, Cymbidiumand Cypripedioideae.
4. Which among the following is the correct definition of Oxygen toxicity?
[A] A condition resulting from the harmful effects of breathing oxygen at high pressures
[B] A condition resulting from the contamination of oxygen with Carbon Monoxide
[C] A condition in which the body as a whole or a tissue is deprived of adequate oxygen supply
[D] A condition in which due to water pollution, the aquatic animals in water bodies get died
Show Answer
Correct Answer: A [A condition resulting from the harmful effects of breathing oxygen at high pressures]
Notes:
Oxygen toxicity is a concern for underwater divers, those on high concentrations of supplemental oxygen. It is a condition resulting from the harmful effects of breathing oxygen at high pressures.
5. Ozone layer lies in:
[A] Troposphere
[B] Tropopause
[C] Stratosphere
[D] Photosphere
Show Answer
Correct Answer: C [Stratosphere]
Notes:
The ozone layer lies in the region of Earth’s stratosphere. It absorbs most of the Sun’s ultraviolet radiation (97 to 99 % of the Sun’s medium-frequency). The layer contains less than 10 parts per million of ozone. Chlorofluorocarbon is mainly responsible for the depletion of ozone layer.
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. ‘Lion-tailed macaque’ is the key faunal species of which Biosphere Reserve?
[A] Nilgiri
[B] Dehang-Debang
[C] Dibru-Saikhowa
[D] Nokrek
Show Answer
Correct Answer: A [Nilgiri]
Notes:
Silent Valley National Park is located in the state of Kerala and is located in the Nilgiri hills. It is home to the lion-tailed macaques, an endangered species of primate. In 1973, “Save Silent Valley” campaign (environmental movement) was initiated when the Kerala State Electricity Board declared to implement the Silent Valley Hydro-Electric Project.
8. Which among the following is the most abundant Green-House-Gas(GHG) in the earth’s atmosphere?
[A] Carbon dioxide
[B] Water Vapour
[C] Sulphur Dioxide
[D] Tropospheric Ozone
Show Answer
Correct Answer: B [Water Vapour]
Notes:
Water vapour also accounts for the largest percentage of the greenhouse effect, between 36% and 66% for clear sky conditions and between 66% and 85% when including clouds.
9. Which among the following salts cannot be removed once it has entered the underground water system?
[A] Sulphates
[B] Carbonates
[C] Nitrates
[D] Phosphates
Show Answer
Correct Answer: C [ Nitrates]
Notes:
Nitrate cannot be removed once it has entered the underground water system.
10. Which of the following islands has been tagged as the remotest and the most polluted island in the world after researchers recorded the highest density of plastic waste on the island than anywhere else in the world?
[A] Henderson Island
[B] Falkland Island
[C] Majuli Island
[D] Sumatra Island
Show Answer
Correct Answer: A [ Henderson Island ]
Notes:
Henderson Island is located between New Zealand and Chile in the Pacific Ocean. Recently, researchers have tagged the island as the most polluted and remotest island of the world after they spotted the highest density of plastic debris on the island than anywhere else on the planet. The earth system called south pacific gyre, a large system of circulating ocean current has been held responsible for the collection of waste over the island. The waste dumped in oceans by various countries is carried by the sea currents and this waste congregates on the island.
