The RRB Group D Exam 2026 is a gateway for candidates aspiring to join various posts in Indian Railways. Among the different subjects included in the examination, general science for RRB Group D plays a crucial role. Understanding this section thoroughly is essential, as it forms a significant portion of the syllabus and tests. The general science section evaluates a candidate’s basic scientific knowledge, reasoning, and application skills. In this article, we provide a comprehensive guide on General Science for RRB Group D, including topics, strategies, and a free PDF to boost your preparation effectively.
Download Top RRB Group D General Science Questions PDF
We have given below a free PDF on the top RRB Group D General Science Questions. To understand the difficulty level of the questions, download and start practising.
Practice the Most Repeated Questions for RRB Group D General Science (Live)
Given below are some of the most repeated general science questions for RRB Group D Exam. Attempt them live and check your score as per the real exam marking scheme. You will get +1 for every correct answer, – 1/3 for every wrong answer, and 0 for unattempted questions.
1. Which gas is essential for the process of photosynthesis?
2. What is the SI unit of electric current?
3. Which part of the human brain controls balance and posture?
4. Which acid is present in lemon juice?
5. What type of energy is possessed by a moving object?
6. Which vitamin is produced in the human body when exposed to sunlight?
7. Which organ in the human body filters blood?
8. What is the boiling point of water at sea level?
9. Which metal is liquid at room temperature?
10. What is the main source of energy for the Earth?
11. Which blood group is known as the universal donor?
12. Which gas is released during respiration?
13. Which part of the plant is responsible for photosynthesis?
14. What is the chemical formula of common salt?
15. Which mirror is used as a rear-view mirror in vehicles?
16. Which organ is affected by jaundice?
17. What is the unit of frequency?
18. Which vitamin deficiency causes scurvy?
19. Which process converts liquid into gas?
20. Which gas is filled in electric bulbs?
21. Which part of the eye controls the amount of light entering?
22. Which metal is the best conductor of electricity?
23. What is the function of red blood cells?
24. Which gas is responsible for the greenhouse effect?
25. Which force pulls objects towards the Earth?
Quiz Summary
26. What is the hardest natural substance?
27. Which organ produces insulin?
28. What is the unit of work?
29. Which acid is present in vinegar?
30. Which gas is used in fire extinguishers?
31. What type of lens is used to correct myopia?
32. Which vitamin helps in blood clotting?
33. What is the main component of natural gas?
34. Which blood cells help in fighting diseases?
35. Which phenomenon causes the bending of light?
36. Which mineral is required for healthy teeth?
37. Which part of the atom has a positive charge?
38. What is the speed of light in vacuum?
39. Which organ helps in breathing?
40. Which gas is used in welding?
41. Which process releases energy in the sun?
42. Which vitamin deficiency causes night blindness?
43. What is the chemical symbol of iron?
44. Which device converts chemical energy into electrical energy?
45. Which part of the plant absorbs water?
46. Which metal is used for making electrical wires?
47. What is the unit of pressure?
48. Which disease is caused by the deficiency of iodine?
49. Which part of the ear maintains balance?
50. Which gas is used by plants during respiration?
Quiz Summary
What is the importance of General Science in RRB Group D Exam Pattern?
The General Science section in RRB Group D Exam Pattern is designed to test the fundamental understanding of Physics, Chemistry, and Biology of candidates. Check out the details given below:
- The marks weightage for General Science is usually 25-30% of the total exam score.
- Questions are often objective, multiple-choice, testing conceptual clarity rather than calculation-heavy problems.
- Understanding everyday applications of science can help solve tricky questions quickly.
What is the RRB Group D Syllabus for General Science?
The RRB Group D syllabus for general science includes topics like units and measurements, cytology, genetics, current electricity, magnetism, and more. Given below are the details:
| Subject | Topics |
| Physics | Units and measurements, Force and Laws of Motion, Work, Energy, and Power, Gravitation, Pressure, Sound, Waves, Heat, Friction, Light- Reflection and Refraction, Current Electricity, Magnetism, Magnetic Effects of Electric Current, Scientific Instruments, Inventions, Important Discoveries Relating to Physics, Sources of Energy |
| Chemistry | Matter, Atoms and Molecules, Structure of Atoms, Chemical Reactions and Equations, Periodic Classification of Elements, Chemical Bonding, Oxidation & Reduction, Combustion and Flame, Acids, Bases & Salts, Electrolysis, Carbon & its Compounds, Fuels, Metallurgy, Synthetic fibers and Plastics, Metals & Non-Metals, Common Facts and discoveries in chemistry |
| Life Sciences | Introduction, Classification of Organism, Cytology, Genetics, Heredity and Evolution, Botany: Classification of Plant Kingdom, Plant Morphology, Plant Tissue, Photosynthesis, Plant Hormones, Plant Diseases, Ecology & Environment, Pollution, Zoology: Classification of Animal Kingdom, Animal Tissue, Human Blood, Organ & Organ System, Human blood and blood groups, Human Eye, Nutrients, Human Diseases, Natural Resources |
How to prepare for RRB Group D General Science?
To prepare efficiently for the general science section, candidates must understand basic formulas, make notes for Newton’s Law, Ohm’s Law, and more. They must also use the best resources, such as NCERT textbooks, in preparation. Check out the table given below:
| Focus Area | Key Topics | Strategy | Resources |
| Physics | Motion, Force, Electricity | Understand basic formulas and units. Make quick notes for key laws (Newton’s Laws, Ohm’s Law, etc.). Revise diagrams for electric circuits. | NCERT Class 9–10 Physics textbooks. Previous year MCQs. |
| Chemistry | Acids, Bases, Chemical Reactions | Memorize properties, examples, and pH values. Note important reactions (neutralization, displacement, etc.).- Prepare quick reference tables. | NCERT Class 9–10 Chemistry textbooks. Practice MCQs from previous papers. |
| Biology | Human Body, Plants | Focus on diagrams and functions (digestive, respiratory, circulatory systems). Learn plant structures and photosynthesis. | NCERT Class 9–10 Biology textbooks. MCQs for diagram labeling and key functions. |
| General Tips | All Science Basics | Make concise revision notes for quick scanning. Focus on understanding rather than rote memorization. Practice pattern-based MCQs regularly. | NCERT Class 9–10 Biology textbooks. MCQs for diagram labelling and key functions. |
FAQs
NCERT books of classes 6–10 for Physics, Chemistry, and Biology are most recommended.
Questions are usually straightforward and factual, but can be application-based. Understanding concepts is more important than rote learning.
Around 20–25% of total study time should be allocated, focusing on conceptual clarity and revision.
Yes, diagrams like the human heart, plant cell, and digestive system are frequently tested.
Yes, some questions may include recent scientific inventions, environmental issues, or daily-life applications.

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.