RRB General Science is one of the most decisive sections in Railway Recruitment Board (RRB) examinations, such as RRB NTPC, RRB Group D, RRB ALP, and RRB Technician. While many candidates underestimate this section, assuming it to be “basic science,” the reality is quite different. Over the years, RRB General Science questions have evolved in terms of conceptual depth, application-based framing, and interdisciplinary coverage.
Download RRB General Science Questions PDF
We have given below a free PDF on the top RRB General Science Questions. To understand the difficulty level of the questions, download and start practicing.
Practice the RRB General Science Questions (Live)
Given below are some of the most repeated general science questions for RRB Exams. Attempt them live and check your score as per the real exam marking scheme.
1. Which part of the human brain regulates breathing and heartbeat?
2. Which vitamin deficiency leads to Pernicious anaemia?
3. What is the functional unit of the kidney called?
4. Which gas is mainly responsible for acid rain?
5. The SI unit of electric capacitance is:
6. Which blood group is called the universal donor?
7. Which metal has the highest electrical conductivity at room temperature?
8. The phenomenon responsible for mirage formation is:
9. Which hormone regulates blood calcium levels?
10. Which type of bond is formed by sharing of electrons?
11. The device used to convert AC to DC is called:
12. Which disease is caused by deficiency of iodine?
13. What is the pH value of pure water at 25°C?
14. Which part of the eye controls the amount of light entering?
15. Which gas is released during photosynthesis?
Quiz Summary
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16. The boiling point of water increases on adding salt because of:
17. Which subatomic particle has no electric charge?
18. The hardest substance in the human body is:
19. Which law states that pressure applied to a confined fluid is transmitted equally in all directions?
20. The unit of frequency is:
21. Which enzyme digests proteins in the stomach?
22. Which layer of the atmosphere contains the ozone layer?
23. The speed of light in vacuum is approximately:
24. Which acid is present in vinegar?
25. Which phenomenon explains the blue color of the sky?
26. Which part of the plant is responsible for transpiration?
27. What is the unit of electric current?
28. Which metal is liquid at room temperature?
29. Which blood cells help in blood clotting?
30. Who first stated the principle of conservation of energy in 1841?
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What is the importance of RRB General Science section?
The importance of RRB General Science tests a candidate’s fundamental understanding of everyday science, making it both fair and challenging. Some of the reasons are given below:
- Asked in almost all major RRB exams
- Questions are direct but concept-based
- High scoring if prepared systematically
- Strong overlap across RRB NTPC, RRB Group D, ALP, Technician
Topic-Wise Weightage of RRB General Science Questions
The following table reflects average trends observed across recent RRB exams:
| Subject | Approximate Weightage | Nature of Questions |
| Physics | 30–35% | Conceptual, numerical-light |
| Biology | 35–40% | Factual + conceptual |
| Chemistry | 25–30% | Memory-based + logic |
How do I prepare for RRB Science Questions?
Candidates need to follow certain tips and guidelines, such as following the syllabus and exam pattern, attempting mock tests for scoring well in RRB science questions. Given below are some of the tips:
- Understand the complete syllabus and exam pattern properly
- Attempt mock tests regularly
- Solve previous year papers frequently
- Identify your weak areas and work on them
- Monitor your performance through mock tests
- Make short notes for last-minute revision
FAQs
General Science is one of the most important sections in all the Railway Exams. Practicing questions from this section is very important if candidates want to qualify for any of the RRB exams.
Yes, you must practice mock tests for RRB exams regularly if you want to qualify for the exam.
To qualify for RRB exams, candidates need to have a proper study schedule. They must study for at least 8-9 hours daily to score well.
A complete set of 20 mock questions is provided in this article.
Yes, the answers are also provided to each question in this article.
Hello! This is Arijit Dutta. I am a skilled Content Writer at Oliveboard with nearly 3+ years of experience in crafting engaging, informative, and exam-focused content for the Railways Domain. With a strong command of language and a keen understanding of learner needs, I contribute significantly to Oliveboard’s mission of delivering high-quality educational resources. Passionate about clear communication and continuous learning, I consistently create content that helps government job aspirants achieve their goals. Outside of work, I enjoy playing cricket and listening to music, which helps me stay balanced and creative in my professional journey.