MCQ's Test For PPSC General Knowledge Topic 12: Environmental Science / Studies

The domain of Environmental Science / Studies is a rapidly growing and critically important segment of the Every Day Science (EDS) section in the PPSC General Knowledge (GK) paper. This topic tests a candidate's awareness of the current global and national environmental challenges, the principles of sustainability, and the fundamental interactions between human activity and the natural world. Success in this area is a strong indicator of an informed and responsible candidate. Our dedicated online test, PPSC General Knowledge Topic 12: Environmental Science / Studies, provides the focused practice necessary to master this essential subject.

PPSC competitive exams prioritize questions related to global protocols, national environmental issues (like smog or water scarcity in Pakistan), and the basic scientific concepts underlying environmental problems. Consistent engagement with our Multiple Choice Questions (MCQs) ensures that you are prepared to accurately recall the facts, definitions, and mechanisms related to environmental health under timed pressure.

Essential Environmental Categories Covered in the Test

Our test is designed to provide comprehensive coverage across the following vital categories, which reflect the practical and contemporary nature of the PPSC syllabus:

1. Global Environmental Issues

This category focuses on the major challenges facing the planet:

Climate Change and Global Warming: Understanding the greenhouse effect, the role of carbon emissions, and the impact of rising global temperatures.
Ozone Depletion: Knowledge of the causes (CFCs), effects, and international agreements (e.g., Montreal Protocol) to address it.
Biodiversity Loss: Concepts of endangered species, deforestation, and the importance of species variety for ecosystem stability.

2. Pollution and Waste Management

This covers the causes, effects, and control of environmental contamination:

Air Pollution: Understanding sources (industrial, vehicular), major pollutants (CO, SOx, NOx), and their health effects (e.g., smog).
Water Pollution: Knowledge of sources (industrial effluent, agricultural runoff), waterborne diseases, and water treatment processes.
Solid Waste Management: Basic concepts of disposal methods (landfilling, recycling, incineration) and waste hierarchy.
Noise and Soil Pollution: Causes and effects of these localized environmental stressors.

3. Ecology and Ecosystems

This section covers the fundamental principles of the natural world:

Ecosystem Basics: Definitions of ecosystems, biotic and abiotic components, food chains, food webs, and energy flow.
Natural Resources: Classification of renewable and non-renewable resources (e.g., fossil fuels, solar energy) and the need for their conservation.

4. Environmental Legislation and Conservation

This covers the human response to environmental challenges:

Key Environmental Treaties: Awareness of major international agreements like the Kyoto Protocol, Paris Agreement, and the role of bodies like UNEP (United Nations Environment Programme).
Conservation Efforts: Understanding concepts of national parks, wildlife sanctuaries, and sustainable development.

The Strategic Advantage of Practicing Environmental Science MCQs

Practicing with our dedicated Environmental Science / Studies MCQs Test offers targeted benefits that are crucial for PPSC exam success:

Understanding Current Affairs in Context

Many Current Affairs questions are rooted in environmental issues (e.g., international climate conferences, extreme weather events). Mastering this topic provides the necessary scientific background to understand and answer these current affairs questions accurately.

Precision in Facts and Terminology

Environmental Science relies on specific terminology (e.g., eutrophication, carbon footprint, carrying capacity). Our MCQs ensure you develop the precise recall needed to define and contextualize these terms, minimizing errors in the fact-based GK paper.

Reflecting Public Service Awareness

A strong performance in Environmental Science demonstrates that a candidate is aware of the critical issues facing the province and the country, reflecting the informed and responsible mindset expected of a public servant.

Start your preparation now. By dedicating time to our PPSC General Knowledge Topic 12: Environmental Science / Studies MCQs Test, you are mastering a contemporary and high-scoring domain, securing a strong position in the EDS section, and demonstrating your comprehensive readiness for the PPSC competitive examination.

Top Scorers Of PPSC General Knowledge Topic 12 Environmental Science / Studies MCQ`s Test

PPSC General Knowledge Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	Waste which takes 80 to 100 years to be decomposed in landfill is.	A. disposable diaper B. Paper bag C. Plastic Bag D. Aluminium can
2	Which of the following is not a green house gas.	A. Water vapour B. Carbon di oxide C. Methane D. Nitrous oxide
3	During process of photosynthesis , element that plants give off is.	A. Methane B. Carbon di oxide C. Oxygen D. Ethane
4	The Bhopal gas tragedy was caused due to	A. Acid rain B. Radioactive poisoning C. Methyl isocyanate gas leakage D. Nitrous oxide leakage
5	Pollution which occurs by poor disposal of waste and rubbish is classified as.	A. Visual pollution B. Noise pollution C. Land Pollution D. Thermal pollution
6	Layer of atmosphere that absorbs ultraviolet rays from Sun is called.	A. Troposphere B. Ozone Layer C. Thermosphere D. Mesosphere
7	Which of the following sources of energy is NOT renewable.	A. Biomass B. Hydropower C. Petroleum D. Solar power
8	Large number of organisms can die of there is.	A. Low level of oxygen B. Low level of carbon di oxide C. Low level of methane D. Low level of ethane
9	Carbon di oxide is called green house gas because it is.	A. Transparent to heat but traps sunlight B. Use in green houses to increase plant growth C. Transparent to sunlight but traps heat D. Transparent to both sunlight and heat
10	Chemical substance used to destroy weeds in crops is called.	A. Herbicides B. Monoxides C. Pesticides D. Carob oxides

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MCQ's Test For PPSC General Knowledge Topic 12: Environmental Science / Studies