PPSC Prelims 2025 GS Question Paper (07-Dec-2025)

Match the following biosphere reserves with the key fauna found there :Choose the correct code :

Which of the following states is the leading producer of diamonds in India?

Consider the following statements about microplastics :
1. They are small pieces of plastic less than 5 mm in length.
2. They consist of carbon and hydrogen atoms bound together in polymer chains.
3. They can adsorb persistent organic pollutants (POPs), potentially increasing the toxicity of the particles.
4. They can be inhaled from the air and absorbed through the skin.
How many of the above statements is/are correct?

Consider the following statements about carbon credits :
1. It is a generic term used for any tradable certificate or permit representing the right to emit a certain amount of carbon dioxide or other greenhouse gases.
2. One carbon credit represents the reduction or removal of one metric ton of carbon dioxide or an equivalent amount of another greenhouse gas.
3. The Clean Development Mechanism (CDM) under the Kyoto Protocol allows developed countries to earn carbon credits by investing in emission-reduction projects in other developed as well as developing countries.
4. There are dedicated markets for trading in carbon credits such as the EU Emissions Trading System (EU ETS).
Which of the above statements are correct?

Given below are two statements :
Statement I : Biological communities increase in diversity as they proceed through seral stages to a climax.
Statement II : In most of the landscapes we see around us, successions are often arrested naturally or by human activities.
In the light of the above statements, choose the most appropriate answer from the options given below :