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SAIL Management Trainee Environment & Ecology — practice questions

Explore 25 free Environment & Ecology questions in SAIL Management Trainee Environment. Open each question or exercise to read its content, reference answers and available explanation.

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Environment & Ecology questions and exercises with answers

Showing questions 1–25 of 25.

Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen ?Read the answer and worked solution →Which one of the following has been constituted under the Environment (Protection) Act, 1986?Read the answer and worked solution →"Momentum for Change : Climate Neutral Now" is an initiative launched byRead the answer and worked solution →Recently, for the first time in our country, which of the following States has declared a particular butterfly as 'State Butterfly'?Read the answer and worked solution →In a typical ecosystem, decomposers (fungi, bacteria) primarily serve to:Read the answer and worked solution →Abiotic or biotic?Read the answer and worked solution →Complete the definition of an ecosystemRead the answer and worked solution →Tap every one of the four functional componentsRead the answer and worked solution →True or false: structure and functionRead the answer and worked solution →Complete the definition of primary productivityRead the answer and worked solution →Which role does this organism play?Read the answer and worked solution →True or false: productivityRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Flip and pair: term with meaningRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Complete the definition of biodiversityRead the answer and worked solution →The numbers the chapter givesRead the answer and worked solution →Tap every level conservation targetsRead the answer and worked solution →True or false: biodiversityRead the answer and worked solution →Which level of diversity?Read the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Flip and pair: figure with what it countsRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →

Worked practice questions

Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen ?

  1. Hydrogen peroxide
  2. Hydronium
  3. Oxygen
  4. Water vapour
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Correct answer: D. Water vapour

Answer: D. The exhaust emission from a hydrogen Fuel Cell Electric Vehicle is WATER VAPOUR. In a hydrogen FCEV, hydrogen (H2) from the fuel tank combines with oxygen (O2) from the air at the fuel cell's catalyst surface. The electrochemical reaction is: 2 H2 + O2 -> 2 H2O + electricity. The only chemical product leaving the exhaust is water (released as vapour due to operating temperature). This zero-emission profile is the main environmental selling point of FCEVs over internal combustion engines. Distractors fail: (A) Hydrogen peroxide is not formed under normal fuel cell operation. (B) Hydronium (H3O+) is a transient species in the electrolyte membrane, not exhaust. (C) Oxygen is consumed, not emitted. Source: Ministry of New and Renewable Energy + IEA Hydrogen Technology Roadmap.

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Which one of the following has been constituted under the Environment (Protection) Act, 1986?

  1. Central Water Commission
  2. Central Ground Water Board
  3. Central Ground Water Authority
  4. National Water Development Agency
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Correct answer: C. Central Ground Water Authority

Answer: C. The CENTRAL GROUND WATER AUTHORITY (CGWA) has been constituted under the Environment (Protection) Act, 1986. CGWA was constituted in 1997 under SECTION 3(3) of the ENVIRONMENT (PROTECTION) ACT, 1986 by the Government of India to regulate and control development and management of groundwater resources in the country. CGWA's powers include: - Notifying areas where groundwater use needs to be regulated. - Issuing directions for closure of bore wells in over-exploited areas. - Levying environmental compensation. - Registering existing groundwater users. Distractors: (A) CENTRAL WATER COMMISSION (CWC) is the premier technical organisation for water resources but was set up by executive resolution in 1945, NOT under the EP Act. It is attached to Ministry of Jal Shakti. (B) CENTRAL GROUND WATER BOARD (CGWB) is a subordinate office of the Ministry of Jal Shakti, established in 1970 by reorganisation. CGWB conducts groundwater surveys and provides scientific assessments. It was NOT constituted under the EP Act it is a technical body, not a regulatory authority. (D) NATIONAL WATER DEVELOPMENT AGENCY (NWDA) is a society under Ministry of Jal Shakti (1982) for inter-basin transfer studies. Not under EP Act. Only CGWA, with regulatory powers, draws its statutory authority from the Environment Protection Act 1986. Source: Environment (Protection) Act 1986, Section 3(3) Notification 1997 / Jal Shakti Annual Report.

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"Momentum for Change : Climate Neutral Now" is an initiative launched by

  1. The Intergovernmental Panel on Climate Change
  2. The UNEP Secretariat
  3. The UNFCCC Secretariat
  4. The World Meteorological Organization
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Correct answer: C. The UNFCCC Secretariat

UPSC CSE Prelims 2018 (GS-I, Set C), Q.88. Official answer key: C.

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