Important Topics in General Science for UPPSC Prelims:

1. Biology:
- Questions related to basic concepts of biology like cell structure, genetics, evolution, and ecology are frequently asked in UPPSC prelims.
- Topics like human body systems, diseases, and plant physiology are also important for the exam.
- Stay updated on recent developments in biotechnology and environmental issues.

2. Physics:
- Focus on topics like mechanics, thermodynamics, optics, and electricity.
- Questions on laws of motion, work-energy, heat transfer, light, and sound waves are commonly seen in the exam.
- Understanding basic principles of physics and their applications is crucial for scoring well in this section.

3. Chemistry:
- Important topics include periodic table, chemical bonding, acids and bases, and reactions.
- Knowledge of organic and inorganic chemistry, along with topics like stoichiometry and chemical equilibrium, is essential.
- Stay updated on environmental chemistry and important discoveries in the field of chemistry.

4. Environmental Science:
- Questions related to environmental issues, conservation, pollution, and sustainable development are commonly asked.
- Understanding the impact of human activities on the environment and measures to protect it is crucial for this section.
- Stay updated on international environmental agreements and initiatives.

5. Scientific Discoveries:
- Questions on famous scientists, their discoveries, and contributions to science are frequently seen in the exam.
- Stay updated on recent scientific breakthroughs and advancements in various fields.
- Understanding the scientific method and its application in solving real-world problems is important for UPPSC prelims.