Skip to content
GK24
GK QuizEnvironment & Ecology

Environment & Ecology Mixed Quiz: Set 45

  • 20 questions
  • 20 minutes
  • Difficulty: Medium
Start Quiz

About this quiz

Set 45 of the Environment & Ecology mixed quiz has 20 multiple-choice questions from 15 different topics of the subject: Ecosystem and Food Chains, Major Environmental Disasters: Bhopal, Chernobyl, Minamata and Others, Biodiversity and Its Conservation and more. 6 of them were asked in real previous-year papers. A topic quiz checks one chapter; this set revises the whole subject at once, the way an exam paper does, where the next question can come from any chapter. Every question carries an explanation of why the correct option is right and why the others are wrong. Keep to the timer, read the explanations at the end, and go back to the notes of any topic where you slipped.

Questions in this quiz

20 questions with answers and explanations

Q2.Environment & EcologyMedium

The Chernobyl nuclear disaster of 1986 took place at a plant located in which present-day country?

  1. A.Russia
  2. B.Belarus
  3. C.Ukraine
  4. D.Kazakhstan
Show answer
Correct answer: C. Ukraine

Reactor Number 4 of the Chernobyl Nuclear Power Plant, near the town of Pripyat, exploded on 26 April 1986. The site then lay in the Ukrainian Soviet Socialist Republic of the USSR and lies in independent Ukraine today, which is why the question is usually framed as present-day country.

Q3.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2016, GS Paper IEasy

In which of the following regions of India are you most likely to come across the 'Great Indian Hornbill' in its natural habitat?

  1. A.Sand deserts of northwest India
  2. B.Higher Himalayas of Jammu and Kashmir
  3. C.Salt marshes of western Gujarat
  4. D.Western Ghats
Show answer
Correct answer: D. Western Ghats

The Great Hornbill lives in tall, evergreen and moist deciduous forests, and the Western Ghats are one of its two main homes in India.

Q5.Environment & EcologyAsked in: CDS · CDS-II 2017, GKMedium

Blue Baby Syndrome is caused by the contamination of

  1. A.nitrite (NO2)
  2. B.sulphite (SO3)
  3. C.nitrate (NO3)
  4. D.sulphate (SO4)
Show answer
Correct answer: C. nitrate (NO3)

Blue baby syndrome, or methaemoglobinaemia, strikes infants who drink water with excess nitrate, usually from fertiliser runoff or sewage. In an infant's digestive system, nitrate is converted into nitrite, which oxidises the iron of haemoglobin and turns it into methaemoglobin.

Q6.Environment & EcologyMedium

Who conducts the public hearing during the public consultation stage of the EIA process?

  1. A.Expert Appraisal Committee
  2. B.State Pollution Control Board
  3. C.District collector alone
  4. D.Ministry of Environment, Forest and Climate Change
Show answer
Correct answer: B. State Pollution Control Board

The notification of 2006 makes the State Pollution Control Board, or the pollution control committee in a union territory, responsible for conducting the public hearing at or near the site of the project, for recording the proceedings and for sending that record to the appraisal committee.

Q7.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2021, GS Paper IMedium

'R2 Code of Practices' constitutes a tool available for promoting the adoption of

  1. A.environmentally responsible practices in electronics recycling industry
  2. B.ecological management of 'Wetlands of International Importance' under the Ramsar Convention
  3. C.sustainable practices in the cultivation of agricultural crops in degraded lands
  4. D.'Environmental Impact Assessment' in the exploitation of natural resources
Show answer
Correct answer: A. environmentally responsible practices in electronics recycling industry

R2, short for Responsible Recycling, is a standard for environmentally responsible electronics recycling. The R2 standard was developed with the support of the United States Environmental Protection Agency and is now managed by the non-profit SERI (Sustainable Electronics Recycling International).

Q8.Environment & EcologyMedium

In its updated Nationally Determined Contribution of 2022, India promised to reduce the emissions intensity of its GDP by 2030, from the 2005 level, by:

  1. A.33 to 35 per cent
  2. B.40 per cent
  3. C.45 per cent
  4. D.50 per cent
Show answer
Correct answer: C. 45 per cent

The updated first Nationally Determined Contribution submitted in August 2022 raised the promise on emissions intensity, the greenhouse gas emitted per unit of gross domestic product, to a 45 per cent reduction by 2030 against the 2005 level.

Q9.Environment & EcologyMedium

Which umbrella environmental law was enacted in India in the aftermath of the Bhopal Gas Tragedy?

  1. A.The Water (Prevention and Control of Pollution) Act, 1974
  2. B.The Air (Prevention and Control of Pollution) Act, 1981
  3. C.The Environment (Protection) Act, 1986
  4. D.The Wild Life (Protection) Act, 1972
Show answer
Correct answer: C. The Environment (Protection) Act, 1986

Parliament passed it under Article 253, to give effect to the Stockholm Conference decisions, and in the direct shadow of the Bhopal leak of December 1984.

Q10.Environment & EcologyMedium

The MIKE programme, in which India takes part, is concerned with

  1. A.Monitoring the illegal killing of elephants
  2. B.Counting tigers by camera traps
  3. C.Monitoring glacier melt in the Himalaya
  4. D.Measuring industrial emissions of methane
Show answer
Correct answer: A. Monitoring the illegal killing of elephants

MIKE was set up under the Convention on International Trade in Endangered Species. At selected sites, officials record every elephant carcass found and the cause of death in a standard form, so that the share of deaths due to poaching can be tracked and compared between countries and over time.

Q12.Environment & EcologyEasy

In the water cycle, the loss of water vapour from the aerial parts of plants is called

  1. A.Evaporation
  2. B.Transpiration
  3. C.Condensation
  4. D.Percolation
Show answer
Correct answer: B. Transpiration

Transpiration is the escape of water vapour from a plant, chiefly through the stomata of the leaves, and over a forest or a crop field it returns a large volume of water to the air; together with evaporation from open surfaces it is called evapotranspiration.

Q13.Environment & EcologyEasy

A lichen is an example of which type of species interaction?

  1. A.Parasitism
  2. B.Commensalism
  3. C.Mutualism
  4. D.Amensalism
Show answer
Correct answer: C. Mutualism

A lichen is a close partnership between an alga and a fungus in which both partners gain. The alga prepares carbohydrates by photosynthesis and shares them with the fungus, while the fungus absorbs and holds water and minerals and anchors the pair to bare rock or tree bark.

Q15.Environment & EcologyEasy

Eco-Sensitive Zones around National Parks and Wildlife Sanctuaries are notified under which Act?

  1. A.The Wildlife (Protection) Act, 1972
  2. B.The Forest (Conservation) Act, 1980
  3. C.The Environment (Protection) Act, 1986
  4. D.The Biological Diversity Act, 2002
Show answer
Correct answer: C. The Environment (Protection) Act, 1986

The Union Ministry of Environment, Forest and Climate Change notifies an Eco-Sensitive Zone using the power in Section 3(2)(v) of that Act, read with Rule 5(1) of the Environment (Protection) Rules, 1986, which lets the central government restrict industries and operations in an area it treats as fragile.

Q16.Environment & EcologyMedium

The rights of forest-dwelling Scheduled Tribes and other traditional forest dwellers over land and forest produce were recognised by which law?

  1. A.The Indian Forest Act, 1927
  2. B.The Forest Rights Act, 2006
  3. C.The Wildlife Protection Act, 1972
  4. D.The Environment Protection Act, 1986
Show answer
Correct answer: B. The Forest Rights Act, 2006

Its full name is the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, and it recognises individual rights over land that such families were cultivating, community rights over grazing grounds and water bodies, and rights over minor forest produce, while making the gram sabha the authority…

Q18.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2024, GS Paper IEasy

Consider the following statements :

Statement-I : Many chewing gums found in the market are considered a source of environmental pollution.

Statement-II : Many chewing gums contain plastic as gum base.

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 explains Statement-I
  2. B.Both Statement-I and Statement-II are correct, but Statement-II does not explain 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: A. Both Statement-I and Statement-II are correct and Statement-II explains Statement-I

Chewing gum pollutes because its gum base is largely made of synthetic plastic polymers that do not break down. Gum was once made from chicle, a natural latex from the sapodilla tree.

View all quizzes