RRB Group D CBT 1 Exam 2025 is being conducted from November 27, 2025, to January 16, 2026. If you are appearing in this exam, you already know that general science is one of the most important and scoring sections. Mostly, questions will be asked from the 7th to 10th standard level in the exam. However, you are still advised to prepare the questions that are most likely to be asked in the exam. To make your preparation easier, we have provided the RRB Group D Science Questions PDF 2025, which includes exam-level questions, previous year topics, and expected question types. You can download this PDF for free, practice daily, and track your performance with free topic-wise tests.
Why is General Science Questions Important in RRB Group D?
The General Science section in the RRB Group D CBT 1 exam carries 25 marks out of the total 100, indicating considerable weightage. The best part is that this section doesn’t include any calculation part, so you can save your time from this section and utilize it for other sections, such as reasoning and maths, which require calculation.
- Time-saving: Concept-based; doesn’t require long solving steps.
- High-scoring: Many direct and factual questions from NCERT-based topics.
- Fixed Syllabus: Questions come mostly from Class 10th-level Physics, Chemistry, and Biology.
Topics Covered in RRB Group D General Science Section
The RRB Group D Science questions are mostly asked from the NCERT Class 7 to 10 science textbooks. The topics are evenly distributed among Physics, Chemistry, and Biology. Below, we have provided a detailed syllabus for the general science section.
Physics
- Motion and Force
- Work, Energy & Power
- Sound and Light
- Electricity and Magnetism
- Heat and Temperature
- Laws of Motion
Chemistry
- Matter and Its States
- Chemical Reactions
- Acids, Bases & Salts
- Metals and Non-Metals
- Carbon Compounds
- Periodic Table Basics
Biology
- Nutrition in Plants and Animals
- Human Body & Organ Systems
- Cell: Structure and Functions
- Reproduction
- Microorganisms
- Diseases and Prevention
RRB Group D Science Practice Questions PDF (Free Download)
As you know, the RRB Group D syllabus is vast, especially when it comes to the General Science section. Preparation can be tough, but you can prepare for it easily by focusing on the most asked questions. Below, we have provided a PDF that consists of the most commonly asked questions from past exams, questions of Physics, Chemistry, and Biology topics from NCERT (Class 8 to 10) with answers, and expected questions for RRB Group D 2025 based on trends. Click on the button given below and download the PDF for free.
- Which insects come under the Annelida group?
Ans. Earthworm - Which insects come under the Earth powder group?
Ans. Housefly, Cockroach
(Note: “Earth powder group” may be a mistranslation or unclear term—please verify.) - Which insects come under the Mollusca group?
Ans. Snail - Which insects come under the Echinodermata group?
Ans. Starfish, Seahorse
(Note: Seahorse is a fish, not an echinoderm; echinoderms include starfish, sea urchins, etc.) - Where does the digestion process of human beings begin?
Ans. From the mouth - Which blood is transmitted by veins?
Ans. Impure blood
(Except pulmonary veins, which carry oxygenated blood) - Which blood is transmitted by arteries?
Ans. Pure blood
(Except pulmonary artery, which carries deoxygenated blood) - Which vitamins are soluble in water?
Ans. Vitamin B and Vitamin C - What is the function of potassium in the body?
Ans. It regulates heartbeat and helps in nerve and muscle function. - What happens in the presence of glucose without oxygen in muscles?
Ans. Lactic acid is formed. - What is formed by the reaction of bacteria or yeast in the presence of glucose without oxygen?
Ans. Ethyl alcohol - What happens to glucose in the presence of oxygen?
Ans. It forms carbon dioxide and water. - Why does fresh urine not have any special odor, but smells bad after some time?
Ans. It reacts with oxygen and forms ammonia. - Which fish does not have scales?
Ans. Catfish - Why don’t most fishes drown in water?
Ans. Due to the presence of a swim bladder. - Firstly, in what form was the virus obtained?
Ans. In the form of pure crystals. - Which scientist first proposed the crystalline form of viruses?
Ans. W.M. Stanley - Gregor Mendel conducted research on which plant?
Ans. Pea plant - From which species is the Pashmina goat obtained?
Ans. Changthangi - Which disease is caused by infertility in cattle?
Ans. Brucellosis
How to Prepare Science Questions for RRB Group D 2025?
Here, we have provided some tips that will help you prepare general science questions for the RRB Group D 2025 exam. You are strongly advised to follow these tips and implement them in your preparation so that you can boost your general science preparation.
- Start with NCERTs (Class 8 to 10): NCERT books are the best resources to prepare for general science. They are the base. Before jumping into solving the questions, you are advised to first understand the concept of the topics. This will help you in your systematic learning and build your foundation.
- Make Short Notes: As you already know, the syllabus is vast, and remembering everything can be tough. To make this process easy, you should create your own notes. Write definitions, laws, formulas, and diagrams in your notebook. These notes will help you during last-minute revisions.
- Practice Daily: Make sure you are not totally relying on understanding the concept and theory. It is a time-bounded exam, so practice general science questions under time conditions. Spend at least 30–45 minutes daily on General Science. For that, you can practice our free topic-wise tests. These tests contain exam-level questions. You can use these tests in your revision, practice, and improve your speed, accuracy, and time management skills.
- Attempt Previous Year Papers: Make sure you have gone through the previous year’s question papers. This gives you an idea of the type of questions and frequently asked topics. However, if you are accessing our RRB Group D General Science PDF that we have provided in this blog, you are already going through the previous year’s questions.
- Focus on Conceptual Understanding: If you are just cramming, then you might be mistaken. Don’t just memorize facts. Understand why and how things happen, especially in topics like force, current, digestion, etc. You will feel that you are able to answer the questions easily. When you understand the topic, you remember it for a longer time, and you can also solve questions that are asked in a roundabout or tricky manner.
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FAQs: RRB Group D Science Questions PDF
A total of 25 questions are asked from General Science, carrying 25 marks in the RRB Group D CBT 1 exam.
Most questions are based on Class 10th NCERT level, and the difficulty level ranges from easy to moderate.
The section includes Physics, Chemistry, and Biology topics from NCERT Class 7 to 10 science syllabus.
Yes, the PDF is completely free to download and includes previous year questions, expected topics, and exam-level practice MCQs.
Yes, many questions in the PDF are based on previous year RRB exams and expected trends for Group D 2025.
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