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50+ Solved Persistent Identifiers Questions and Answers with Solutions (Page 74) (October 2026) | Science | GkGet

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Persistent Identifiers — Key Concepts & Shortcuts

•Review basic scientific laws, standard SI units, and chemical/biological nomenclature.
•Understand everyday real-life applications and experimental setups related to Persistent Identifiers.
•Practice high-yield questions from previous railway and staff selection exams.

Practice Questions for Persistent Identifiers

18+ Solved MCQs

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What does the concept of 'Environmental Impact Assessment' (EIA) primarily aim to evaluate before a new project is undertaken?

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Persistent Identifiers Questions & Answers

Persistent Identifiers — Key Concepts & Shortcuts

Practice Questions for Persistent Identifiers

What does the concept of 'Environmental Impact Assessment' (EIA) primarily aim to evaluate before a new project is undertaken?

What is the term for a community of living organisms interacting with each other and their physical environment?

What does the term 'ecosystem' refer to?

Which of the following is a characteristic feature of biodiversity hotspots?

Which of the following is NOT a greenhouse gas?

Which of the following best describes the role of decomposers in an ecosystem?

Which of the following is considered a primary cause of biodiversity loss?

What is biomagnification?

Which environmental factor directly influences the rate of photosynthesis?

Which of the following is NOT a primary pollutant?

Which of the following is the most widely applied method for biodiversity conservation?

Which of the following is a primary cause of acid rain?

Which of the following is an example of an invasive species in India?

What is the primary objective of sustainable development as outlined by the United Nations?

Which of the following terms describes the process of nutrient enrichment in a water body, often leading to excessive algae growth?

The term 'carbon footprint' refers to which of the following?

Which term describes the process by which certain chemical pollutants become more concentrated in organisms at each successive trophic level in a food chain or web?

Which of the following is the most significant impact of habitat fragmentation?

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