DRISHTI IAS Prelims Practice Series – General Science and Science & Technology | 7th Edition | 1950+ Practice Questions with Detailed Explanations

Drishti Publications presents the 7th Edition of Prelims Practice Series – General Science and Science & Technology, designed for aspirants preparing for IAS, PCS, CAPF, CDS, NDA and other competitive examinations. The book provides extensive practice through 1950+ previous years’ and practice questions with detailed explanations, helping aspirants strengthen conceptual understanding and improve their exam readiness across Physics, Chemistry, Biology and Science & Technology.

Key Highlights:

• 1950+ practice questions with detailed explanations for intensive Prelims preparation.
• Covers four major areas – Physics, Chemistry, Biology and Science & Technology.
• Includes previous years’ and practice questions relevant to IAS, PCS, CAPF, CDS, NDA and other competitive examinations.
• Detailed explanations help aspirants understand the concept and reasoning behind each answer.
• Chapter-wise structure supports systematic preparation, self-assessment and quick revision.
• Includes recent examination questions such as CDS 2026, NDA 2026, CISF AC and other examinations within the practice chapters.
• Forms the 6th Part of the 7-Book Prelims Practice Series.

About this Book:

The General Science and Science & Technology – Prelims Practice Series, 7th Edition is a question-oriented preparation resource created to help competitive examination aspirants practise and revise important scientific concepts in a structured manner. The book integrates General Science fundamentals with important areas of contemporary Science & Technology.

The Physics section covers topics ranging from Units & Measurement, Motion & Force, Work, Energy & Heat, Waves & Sound and Fluid Mechanics to Light & Optics, Universe, Electricity & Magnetism.

The Chemistry section includes Building Blocks of Matter, Classification of Matter, Periodic Table, Chemical Reactions, Acids, Bases & Salts, Metals & Non-Metals and Carbon Compounds. The Biology section covers cells, classification of organisms, plants, animals, human body systems, nutrition, diseases and genetics.

The Science & Technology section includes contemporary and application-oriented areas such as Biotechnology, Robotics & Automation, Energy Sources, Space Science, Defence Technology, Nanotechnology, Information & Communication Technology, Nuclear Technology and Artificial Intelligence.

Physics Section Includes:

• Units & Measurement
• Motion & Force
• Work, Energy & Heat
• Wave & Sound
• Fluid Mechanics
• Light & Optics
• Universe
• Electricity & Magnetism
• Miscellaneous Physics

Chemistry Section Includes:

• Building Blocks of Matter
• Matter & Its Classification
• Periodic Table & Chemical Reaction
• Acids, Bases & Salts
• Metals & Non-Metals
• Carbon & Its Compounds
• Miscellaneous Chemistry

Biology Section Includes:

• Cells & Tissues
• Classification of Living Organisms
• Plant Kingdom
• Animal Kingdom
• System of Human Body
• Nutrition
• Human Diseases
• Genetics
• Miscellaneous Biology

Science & Technology Section Includes:

• Biotechnology & Its Applications
• Robotics & Automation
• Sources of Energy
• Space Science
• Defence Technology
• Fundamentals of Nanotechnology
• Information & Communication Technology
• Nuclear Technology
• Artificial Intelligence
• Miscellaneous Science & Technology

This book is suitable for aspirants seeking a comprehensive, practice-focused and explanation-based General Science and Science & Technology resource for IAS, PCS, CAPF, CDS, NDA and other competitive examinations.