Skip to content
GK24
Prime

Environment & Ecology GK Questions with Answers – Page 11

हिंदी में पढ़ें

Environment & Ecology multiple choice questions with answers and explanations, 20 per page, for SSC, Banking, UPSC, Railway and state exams.

805 questions

Environment & Ecology NotesOnly previous-year questions (368)GK Quiz
Q202.Environment & EcologyEasy

Ocean acidification is caused mainly by the absorption of which gas by seawater?

  1. A.Nitrogen
  2. B.Carbon dioxide
  3. C.Methane
  4. D.Sulphur dioxide
Show answer
Correct answer: B. Carbon dioxide

Carbon dioxide dissolves in seawater and reacts with water to form carbonic acid, which dissociates into bicarbonate and hydrogen ions; the extra hydrogen ions lower the pH, and they also combine with carbonate ions, leaving less carbonate for shells and coral skeletons.

Q203.Environment & EcologyAsked in: UPSC CAPF · CAPF 2020, Paper IEasy

Which one of the following does NOT illustrate the importance of the Coral Reef?

  1. A.They provide employment to the people
  2. B.They supply building materials
  3. C.They protect shoreline from storms
  4. D.They protect communities from earthquakes
Show answer
Correct answer: D. They protect communities from earthquakes

Earthquakes start deep in the Earth's crust, and a reef in shallow water can do nothing to stop or soften the ground shaking.

Q204.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2019, GS Paper IMedium

Consider the following statements :

1. Asiatic lion is naturally found in India only.

2. Double-humped camel is naturally found in India only.

3. One-horned rhinoceros is naturally found in India only.

Which of the statements given above is/are correct?

  1. A.1 only
  2. B.2 only
  3. C.1 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: A. 1 only

Only the Asiatic lion survives in the wild in India alone, in the Gir landscape of Gujarat. The Asiatic lion once ranged from West Asia to central India, but today its only wild population lives in and around Gir National Park and the nearby districts of Saurashtra in Gujarat.

Q205.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2016, GS Paper IMedium

The FAO accords the status of 'Globally Important Agricultural Heritage System (GIAHS)' to traditional agricultural systems. What is the overall goal of this initiative?

1. To provide modern technology, training in modern farming methods and financial support to local communities of identified GIAHS so as to greatly enhance their agricultural productivity

2. To identify and safeguard eco-friendly traditional farm practices and their associated landscapes, agricultural biodiversity and knowledge systems of the local communities

3. To provide Geographical Indication status to all the varieties of agricultural produce in such identified GIAHS

Select the correct answer using the code given below.

  1. A.1 and 3 only
  2. B.2 only
  3. C.2 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: B. 2 only

GIAHS exists to identify and safeguard traditional farming systems together with their landscapes, agrobiodiversity and local knowledge. The Food and Agriculture Organization launched the GIAHS programme in 2002, at the World Summit on Sustainable Development in Johannesburg.

Q206.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2021, GS Paper IHard

Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following?

1. Brakes of motor vehicles

2. Engines of motor vehicles

3. Microwave stoves within homes

4. Power plants

5. Telephone lines

Select the correct answer using the code given below.

  1. A.1, 2, 3 and 5 only
  2. B.1, 2 and 4 only
  3. C.3, 4 and 5 only
  4. D.1, 2, 3, 4 and 5
Show answer
Correct answer: B. 1, 2 and 4 only

Magnetite nanoparticles in polluted air come from high-temperature combustion and friction: vehicle engines, brake wear and power plants. Magnetite is an iron oxide (Fe3O4).

Q207.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2021, GS Paper IHard

With reference to the 'New York Declaration on Forests', which of the following statements are correct?

1. It was first endorsed at the United Nations Climate Summit in 2014.

2. It endorses a global timeline to end the loss of forests.

3. It is a legally binding international declaration.

4. It is endorsed by governments, big companies and indigenous communities.

5. India was one of the signatories at its inception.

Select the correct answer using the code given below.

  1. A.1, 2 and 4
  2. B.1, 3 and 5
  3. C.3 and 4
  4. D.2 and 5
Show answer
Correct answer: A. 1, 2 and 4

The declaration was launched at the 2014 UN Climate Summit, sets a timeline to end forest loss and has a mixed set of endorsers, but it is voluntary and India did not sign it.

Q209.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2026, GS Paper IEasy

Which of the following statements with regard to the arrival of Amur Falcons at Doyang Lake in Nagaland each year from Mongolia is/are correct ?

1. It showcases how sustained local conservation efforts can contribute to the arrival and protection of international migratory birds.

2. It reflects the global success of advanced tracking technologies that guide migratory birds back to their stopover sites.

3. It confirms that Amur Falcons have adapted to permanent residency in India due to favourable habitat changes.

Select the answer using the code given below :

  1. A.1 only
  2. B.1 and 2
  3. C.2 and 3
  4. D.3 only
Show answer
Correct answer: A. 1 only

The yearly return of the falcons to Doyang is a story of community conservation, not of technology or of the birds settling in India.

Q211.Environment & EcologyAsked in: UPSC CAPF · CAPF 2023, Paper IEasy

The greatest diversity of animal and plant species is found in :

  1. A.Temperate forests
  2. B.Deserts and Savannas
  3. C.Arctic and Alpine systems
  4. D.Tropical moist forests
Show answer
Correct answer: D. Tropical moist forests

Tropical rainforests hold more plant and animal species than any other land ecosystem. These forests cover only about six to seven per cent of the Earth's land, yet they are thought to hold more than half of all known land species.

Q212.Environment & EcologyAsked in: NDA · NDA-II 2021, GATMedium

Which one of the following statements about biodiversity is not correct ?

  1. A.The term 'biodiversity' was coined by Walter G. Rosen in 1986.
  2. B.The term 'biodiversity hotspots' was coined by Norman Myers in 1988.
  3. C.The regions having richest biodiversity are called 'biodiversity hotspots'.
  4. D.More than 100 hotspots of biodiversity are identified in the world.
Show answer
Correct answer: D. More than 100 hotspots of biodiversity are identified in the world.

This is the incorrect statement: the world has 36 recognised biodiversity hotspots, far fewer than 100. The hotspot idea came from the British ecologist Norman Myers, who in 1988 named ten tropical forest regions that were very rich in species and under heavy threat.

Q213.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2024, GS Paper IMedium

Consider the following :

1. Battery storage

2. Biomass generators

3. Fuel cells

4. Rooftop solar photovoltaic units

How many of the above are considered "Distributed Energy Resources"?

  1. A.Only one
  2. B.Only two
  3. C.Only three
  4. D.All four
Show answer
Correct answer: D. All four

Battery storage, biomass generators, fuel cells and rooftop solar units are all small, local sources that generate or store power close to where it is used, which is what Distributed Energy Resources are.

Q214.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2017, GS Paper IMedium

Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences ?

1. Pollination of some plants could be adversely affected.

2. There could be a drastic increase in the fungal infections of some cultivated plants.

3. It could lead to a fall in the population of some species of wasps, spiders and birds.

Select the correct answer using the code given below :

  1. A.1 only
  2. B.2 and 3 only
  3. C.1 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: C. 1 and 3 only

Butterflies are pollinators and also food for many animals, so their decline would hurt pollination and their predators; it has no direct link with fungal diseases of crops.

Q215.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2024, GS Paper IMedium

Consider the following statements :

1. Lions do not have a particular breeding season.

2. Unlike most other big cats, cheetahs do not roar.

3. Unlike male lions, male leopards do not proclaim their territory by scent marking.

Which of the statements given above are correct ?

  1. A.1 and 2 only
  2. B.2 and 3 only
  3. C.1 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: A. 1 and 2 only

Lions breed at any time of year and cheetahs cannot roar, but male leopards do mark their territory with scent.

Q216.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2019, GS Paper IMedium

Which one of the following National Parks lies completely in the temperate alpine zone?

  1. A.Manas National Park
  2. B.Namdapha National Park
  3. C.Neora Valley National Park
  4. D.Valley of Flowers National Park
Show answer
Correct answer: D. Valley of Flowers National Park

Set high in the Garhwal Himalaya of Uttarakhand, roughly between 3,200 and 6,600 metres, it lies wholly in the temperate alpine zone.

Q218.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2023, GS Paper IMedium

Consider the following statements :

Statement-I : Carbon markets are likely to be one of the most widespread tools in the fight against climate change.

Statement-II : Carbon markets transfer resources from the private sector to the State.

Which one of the following is correct in respect of the above statements?

  1. A.Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I
  2. B.Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I
  3. C.Statement-I is correct but Statement-II is incorrect
  4. D.Statement-I is incorrect but Statement-II is correct
Show answer
Correct answer: C. Statement-I is correct but Statement-II is incorrect

Carbon markets are a leading climate tool, but they work by moving money between emitters and those who cut emissions, not from the private sector to the State.

Q219.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2024, GS Paper IMedium

Consider the following statements regarding World Toilet Organization :

1. It is one of the agencies of the United Nations.

2. World Toilet Summit, World Toilet Day and World Toilet College are the initiatives of this organization, to inspire action to tackle the global sanitation crisis.

3. The main focus of its function is to grant funds to the least developed countries and developing countries to achieve the end of open defecation.

Which of the statements given above is/are correct ?

  1. A.2 only
  2. B.3 only
  3. C.1 and 2
  4. D.2 and 3
Show answer
Correct answer: A. 2 only

The World Toilet Organization is a non-profit body, not a UN agency, and it works through advocacy and training rather than by giving grants to countries.

Q220.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2024, GS Paper IMedium

Consider the following pairs :

Country — Animal found in its natural habitat

1. Brazil — Indri

2. Indonesia — Elk

3. Madagascar — Bonobo

How many of the pairs given above are correctly matched?

  1. A.Only one
  2. B.Only two
  3. C.All three
  4. D.None
Show answer
Correct answer: D. None

All three animals have been placed in the wrong country: the indri lives in Madagascar, the elk in the northern forests of Eurasia and North America, and the bonobo in the Democratic Republic of the Congo.