Science And Technology for CDS & Defence Exams

By : Naveen Singh

Updated : Dec 4, 2020, 21:41

Science & technology is one of the most potent and vigorous topics for Defence exams like UPSC NDA, UPSC CDS UPSC CAPF Group X & Y, ICG, CISF, Central Reserve Police Force (CRPF), etc. Defense exams have pre-eminence more on the analytical and practical aspects of Science & Technology. It focuses more on the broader understanding of the subject matter rather than the theoretical part.

Lately, it has been observed that the topics with a scientific base have more chances of fetching a high score as compared to other subjects available for defence exams. But aspirants face the problem of finding insightful notes. Are you looking for Science & Technology notes for defence exams? Well, in this article, we have discussed Science & Technology definition and the basic concepts associated with it that will boost and strengthen your exam preparation strategy.

Important Science & Technology Topics for Defence Exams

While conceiving for Science & Technology paper, it's fundamental to concentrate on the cardinal topics to get great scores in Exams. Have a look at these topics -




It includes the basics of Cell, Nucleus, Chromosomes, DNA, RNA, Genes, Codons, Amino acids, Genetic Engineering, Stem Cells, and application of biotechnology.


It consists of subtopics like diseases, Neglected Tropical Diseases (NTD), Antimicrobial Resistance (AMR), and genetically modified organisms.

Nuclear technology

Here, it covers topics like atoms, nuclear reactions, fission & fusion, reactors, and India’s Nuclear Energy Program, etc.

Computer and IT

It includes topics such as supercomputers, quantum computing, Internet of Things, 3D printing, hyperloop, 5G, artificial intelligence, Light-Fidelity (Li-Fi) Technology, blockchain technology and bitcoins, big data and its applications

Earth Science

It covers the concept of Polar Sciences – Arctic, Antarctic, Himalayas, rare Earth elements Deep Sea Mining – Polymetallic Nodules, Polymetallic Sulphides, Cobalt-rich ferromanganese crusts, etc.


Draft Space Activities Bill

Tips to Prepare Science & Technology Questions for Defence Exam

  1. Make a habit of practicing Science & Technology quiz for defence exam. You will grasp the art of learning, driven by a sense of value in deepening understanding.
  2. Study all the defense exams previous years' papers well. You will understand the paper pattern and sequence of questions asked every year. Don't forget to solve Science & Technology practice questions.
  3. Accord Science & Technology online test for defence exams regularly along with Science & Technology practice test with answers so that you can spot where you need to work more.
  4. Make Science & Technology questions and answers pdf and store it safely for revision and to avoid a last-minute rush.

Importance of Science & Technology in Defence Exams

  • The importance of the subject can be derived from the fact that a plethora of questions gets asked every year that enhance the chances of getting selected in the armed forces.
  • Defence jobs are considered prestigious and valuable. Qualifying for the exams is a matter of pride and a great opportunity to serve the nation.

Recommended Books for Science & Technology for Defence Exams

Take a sneak peek at the rundown of most recommended and preferred books for Science & Technology questions:



Science and Technology

Sheelwant Singh and Kriti Rastogi and Sarika

Objective Science and Technology

Access Publication

Science and Technology

Ravi P. Agrahari

Why prepare Science & Technology from BYJU'S Exam Prep?

Learning is the ultimate objective of education. Likewise, the end goal of exams is to swing good imprints. Science & technology may sound basic, but it is exceptionally confounding as all the choices seem indistinguishable. Consequently, great direction and organized planning techniques become mandatory. BYJU'S Exam Prep offers Science & Technology study material pdf in accordance with Science & Technology syllabus for defence exams. Experts at BYJU'S Exam Prep offer Science & Technology tricks and tips for defence exams and help students in crafting excellent preparation strategies. Along with these facilities, each understudy gets a complimentary Test Series that offers 300+ mock tests for free. 

Solving Science & Technology questions for defence exams depends not only on your calculation ability but also ken of subject matter apprehension. Take as much as Science & Technology practice set and Science & Technology quiz for defence exams.

Science & Technology FAQs (Frequently Asked Questions)

1- How to boost Science & Technology Questions preparation for defence exams?

Follow these three simple tricks- Confer Science & Technology practice quiz, take the online test for defence exams, and curate Science & Technology questions and answers pdf.

2- How can I study Science & Technology Questions for defence exams without coaching?

Questions are easy to comprehend and can be prepared easily. BYJU'S Exam Prep offers Science & Technology practice problems pdf and conducts quizzes for speedy preparation.

3- How can I get the latest Science & Technology syllabus for defence exams 2020?

You can download the latest syllabus from the official website

4- What is the definition of Science & Technology?

The science includes the systematic study of behaviors of the world with the help of experiments and the implication of those scientific studies can be termed as technology.

5- Can I download Science & Technology study material pdf online?

Yes, you can get study material online. BYJU'S Exam Prep provides free study material for defence exams as well as paid materials and coaching.