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Science Topics Frequently Asked in UPSC CDS Exam: Based on Previous Year Question Papers

Science Topics Frequently Asked in UPSC CDS Exam

The UPSC CDS Exam is one of the most prestigious competitive exams in India, and it is conducted to recruit candidates for the Indian Armed Forces. Aspirants preparing for this exam should have a sound understanding of various subjects, including science. Science is an important topic that is included in the UPSC CDS exam syllabus. In this article, we will discuss some of the important Science Topics Frequently Asked in UPSC CDS exam.

Most Asked Science Topics in UPSC CDS Exam

CDS Exam 2023 notification has been out and students have started preparing for the same. To ease their preparation DefenceAdda has done some research work to provide candidates with the most important topics for CDS which are based on the previous year’s question Papers. Make sure that you go through these topics before going for your exam as it will certainly help you to fetch some marks in your CDS Examination. So let’s begin –

  1. Physics: Physics is a fundamental subject that plays a vital role in the defence sector. It is important to have a basic understanding of the principles of physics, including mechanics, electricity, magnetism, optics, and thermodynamics. Some of the important topics in physics that are included in the UPSC CDS exam are units and dimensions, work, energy, power, heat and temperature, wave motion, sound, optics, and nuclear physics.
    Important Physics Topics for CDS – 

    • Measurements & Motion,
    • Laws of Motion
    • Force
    •  Work
    • Energy & Power
    •  Force of Gravity
    • Solids & Fluids
    •  Sound
    • Oscillations, Heat & Thermodynamics
    • Electricity, Magnetism & Light
    • Don’t forget to study Reflection and Refraction
    • Wavelength and frequency, Most important is Wavelength Chart
    • Modern physics
    • Sources of energy
  2. Chemistry: Chemistry is another important subject that is included in the UPSC CDS exam syllabus. The topics covered in chemistry include chemical bonding, acids, bases, and salts, organic chemistry, electrochemistry, thermodynamics, and chemical kinetics. Aspirants should have a sound understanding of these topics to excel in the exam.
    Important Chemistry Topics for CDS –

    • Important Chemical Reactions and processes such as oxidation, reduction, Amphoteric Reactions etc
    • Matter & its Composition
    • Atoms, Molecules & Nuclear Chemistry
    • Elements Classification & Chemical Bonding
    • Acids, Bases and Salts
    • Metals, Non – Metals
    •  Organic Chemistry
    • Reactivity Order of Metals
    • Environmental Chemistry
    • Important Alloys and their components like Bronze
  3. Biology: Biology is the study of living organisms and their interactions with the environment. It is an important subject that is included in the UPSC CDS exam. The topics covered in biology include human anatomy and physiology, genetics, biotechnology, and ecology.
    Important Biology Topics for CDS – 

    • Biological Classification/ Cell & its Division especially Cell Membrane
    • Read about Human Heart and its working
    • Genetics & Biotechnology, especially genetic modification
    •  Evolution and Ecological Biodiversity
    • Tissue
    • Physiology of Plants and Animals,
    • Reproduction
    •  Nutrition, Health, and Diseases. Most importantly read about Vitamins and diseases related to it
    • Food Production especially Food Chain
    • Read about Yeast

Covering all the given topics will surely help you to get a good score in your CDS 2023 Examination. Make the best out of these few months that will help you a lot in ensuring your selection in Indian Armed Forces.

CDS 2 2023 Notification CDS Exam Pattern CDS Syllabus
CDS Eligibility Criteria CDS Previous Year Papers CDS Admit Card
CDS Salary CDS SSB Procedure CDS Study Material



What are the most important History topics for CDS 2023?

Read this article to know the most important Science topics for CDS 2023.

How should I prepare for the science section of the UPSC CDS exam?

To prepare for the science section of the UPSC CDS exam, prepare these topics thoroughly and regularly practice mock test.

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