All Railway Exam Biology Mock Test & Notes PDF Chapter Wise

Microorganisms
(सूक्ष्मजीव)

Biology is a scoring subject in the General Science section of Railway exams such as RRB NTPC, ALP, JE, Technician, and Group D. With smart preparation using chapter-wise notes and mock tests, you can easily master this section. This article provides you with chapter-wise Railway Biology notes and MCQ-based practice PDFs, all based on the latest syllabus.

📚 Why Biology is Important for Railway Exams?

  • Easy-to-understand: Concepts are mostly fact-based and do not involve complex formulas.
  • High scoring: Around 8–10 questions from Biology appear in RRB exams.
  • Static content: The syllabus remains largely the same every year.
  • Useful for other exams: These notes help in SSC, Group D, and state-level exams too.

📖 List of Biology Chapters Covered

  • Cell: Structure and Functions
  • Human Digestive System
  • Human Circulatory System
  • Human Respiratory System
  • Human Excretory and Nervous Systems
  • Reproduction in Humans and Plants
  • Genetics and Heredity
  • Classification of Living Organisms
  • Plant Nutrition and Photosynthesis
  • Diseases and Immunity
  • Health and Hygiene
  • Environment and Ecology
  • Important Scientists and Discoveries

📄 What’s Inside the PDF Notes?

  • Chapter-wise explanation in simple Hindi and English
  • One-liner facts and MCQs with answers
  • Diagrams and tables for better understanding
  • Important Railway previous-year Biology questions

🧪 Railway Biology Mock Test Format

  • Number of Questions: 20–25 per set
  • Type: Objective MCQs (Multiple Choice)
  • Marks: +1 per correct answer
  • Negative Marking: -0.33 for each wrong answer
  • Time: 15–20 minutes per test

🎯 How to Prepare Biology for Railway Exams?

  1. Start with NCERT-level topics like cells, body parts, and nutrition.
  2. Study one chapter per day with handwritten notes.
  3. Revise key definitions and important scientists’ names.
  4. Practice MCQs daily from previous year questions and mock sets.
  5. Use diagrams to understand systems like digestion and circulation.

🔍 Most Repeated Biology Questions in RRB Exams

  • What is the powerhouse of the cell?
  • Which vitamin is produced by sunlight?
  • How many bones are there in an adult human body?
  • What is the function of the pancreas?
  • Which blood group is called the universal donor?
  • Who discovered the microscope?

📌 Benefits of Chapter-Wise Biology PDFs

  • Organized learning improves retention and confidence.
  • Notes help in quick revision before exams.
  • Mock tests simulate the actual exam environment.
  • Boosts score in the General Science section.

🚀 Biology Topics to Focus for High Score

  • Human body parts and their functions
  • Vitamins and their deficiency diseases
  • Cell structure and organelles
  • Respiration and circulation system
  • Common diseases and their causes

🧠 Quick Facts for Revision

  • Red Blood Cells are formed in bone marrow.
  • Vitamin C prevents scurvy.
  • Mitochondria is known as the powerhouse of the cell.
  • Photosynthesis takes place in chloroplasts.
  • The normal human body temperature is 98.6°F or 37°C.