Environment & Ecology·MCQ Practice

Aquatic Ecosystems — MCQ Practice

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Version 1Updated 9 Mar 2026

Interactive MCQ Practice

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.

Q1medium

Which of the following statements regarding the Wetlands (Conservation and Management) Rules, 2017, is/are correct? 1. They prohibit the establishment of new industries and expansion of existing ones within the notified wetlands. 2. They mandate the constitution of a Central Wetlands Authority for overall supervision. 3. They exclude river channels, paddy fields, and artificial water bodies from the definition of wetlands. Select the correct answer using the code given below:

Q2medium

Which of the following is NOT a direct consequence of ocean acidification?

Q3easy

The 'Polluter Pays Principle' and 'Precautionary Principle' were prominently applied in which of the following landmark Supreme Court cases related to environmental protection in India?

Q4medium

Consider the following statements regarding estuarine ecosystems: 1. They are characterized by high biodiversity and productivity. 2. They act as natural filters, trapping sediments and pollutants. 3. They typically have stable salinity levels throughout the year. Which of the statements given above is/are correct?

Q5easy

Which of the following is a primary ecosystem service provided by mangrove forests?

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