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Environment & Ecology GK Questions with Answers – Page 38

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

805 questions

Q743.Environment & EcologyEasy

A biosphere reserve is divided into which three zones?

  1. A.Core, buffer and transition
  2. B.Core, sanctuary and park
  3. C.Inner, middle and outer
  4. D.Protected, restricted and open
Show answer
Correct answer: A. Core, buffer and transition

The core zone is legally protected and left undisturbed, with no human activity allowed. The buffer zone around it permits research, education and limited use of resources that does not damage the core.

Q745.Environment & EcologyMedium

The Convention on Biological Diversity was signed at which conference?

  1. A.The Stockholm Conference of 1972
  2. B.The Earth Summit at Rio de Janeiro in 1992
  3. C.The Kyoto Conference of 1997
  4. D.The Ramsar Conference of 1971
Show answer
Correct answer: B. The Earth Summit at Rio de Janeiro in 1992

The Convention has three objectives: the conservation of biological diversity, the sustainable use of its components, and the fair and equitable sharing of the benefits arising from the use of genetic resources.

Q750.Environment & EcologyAsked in: Rajasthan · RPSC RAS Pre, 1 Oct 2023Easy

NTU is the unit for measuring

  1. A.Pressure of water
  2. B.Temperature of water
  3. C.Acidity of water
  4. D.Turbidity of water
Show answer
Correct answer: D. Turbidity of water

NTU stands for Nephelometric Turbidity Unit. A nephelometer shines a beam of light through a water sample and measures how much of it is scattered sideways by suspended particles such as clay, silt, algae and microbes; the more the scattering, the more turbid, or cloudy, the water is.

Q752.Environment & EcologyAsked in: Madhya Pradesh · MPPSC Pre GS, 21 May 2023Medium

Which pollution causes Itai-Itai disease in human beings?

  1. A.Mercury pollution
  2. B.Cadmium pollution
  3. C.Arsenic pollution
  4. D.Nitrate pollution
Show answer
Correct answer: B. Cadmium pollution

Itai-itai disease is long-term cadmium poisoning, first noticed around 1912 in the Toyama region of Japan, where mines upstream released cadmium into the Jinzu river and it built up in the rice and water used by villagers.

Q753.Environment & EcologyAsked in: Madhya Pradesh · MPPSC Pre GS, 17 Dec 2023Medium

Match the following pairs and identify the correct code:

Biosphere Reserve Area – State

1. Nokrek – a. Odisha

2. Manas – b. Meghalaya

3. Similipal – c. Andhra Pradesh

4. Seshachalam – d. Assam

Code: 1 2 3 4

  1. A.b d a c
  2. B.b a d c
  3. C.b d c a
  4. D.d b a c
Show answer
Correct answer: A. b d a c

Nokrek Biosphere Reserve is in the Garo Hills of Meghalaya; Manas is in Assam along the Bhutan border; Similipal is in Mayurbhanj district of Odisha; and Seshachalam lies in the Eastern Ghats of Andhra Pradesh.

Q754.Environment & EcologyAsked in: Haryana · HSSC Police Constable, 25 Aug 2024Easy

What does the Red Data Book keep a record of?

  1. A.Extinct species
  2. B.Endangered species
  3. C.Common species
  4. D.Invasive species
Show answer
Correct answer: B. Endangered species

The Red Data Book is the source book that keeps a record of endangered animals, plants and fungi, so that governments and conservationists know which living species face the greatest risk of dying out.

Q755.Environment & EcologyAsked in: Haryana · HSSC CET Group C, 26 Jul 2025, Shift 2Easy

Match the following.

National Parks/Wildlife Sanctuaries: a. Corbett National Park, b. Sunderbans National Park, c. Bandhavgarh National Park, d. Sariska Wildlife Sanctuary

States: i. West Bengal, ii. Uttarakhand, iii. Rajasthan, iv. Madhya Pradesh

  1. A.a - iii, b - i, c - iv, d - ii
  2. B.a - iv, b - i, c - iii, d - ii
  3. C.a - iii, b - iv, c - ii, d - i
  4. D.a - ii, b - i, c - iv, d - iii
Show answer
Correct answer: D. a - ii, b - i, c - iv, d - iii

Corbett National Park in Uttarakhand is India's oldest national park; it was set up in 1936 as Hailey National Park and in 1973 became the first reserve under Project Tiger.

Q758.Environment & EcologyAsked in: RRB JE · CBT-1, 28 June 2019, Shift 3Easy

Where is the Kanha Tiger Reserve located?

  1. A.Madhya Pradesh
  2. B.Karnataka
  3. C.Odisha
  4. D.Maharashtra
Show answer
Correct answer: A. Madhya Pradesh

Kanha Tiger Reserve lies in the Mandla and Balaghat districts of Madhya Pradesh, in the Maikal hills at the eastern end of the Satpura range.

Q759.Environment & EcologyAsked in: RRB JE · CBT-1, 28 June 2019, Shift 3Easy

Which of the following is NOT a biodegradable waste?

  1. A.Vegetable peel
  2. B.Dead leaves
  3. C.Polythene bag
  4. D.Rotting fruit
Show answer
Correct answer: C. Polythene bag

Polythene is a synthetic plastic that bacteria and fungi cannot break down, so it is non-biodegradable. A plastic bag can stay in soil or water for hundreds of years.