BPSC AEDO Science Important Questions with Solutions

BPSC AEDO Science Important Questions: The Bihar Public Service Commission (BPSC) is conducting the Assistant Education Development Officer (AEDO) Exam 2026 for educational administration roles. Science is an important component of the General Studies paper, with questions ranging from basic NCERT levels to moderate difficulty. To support your preparation, we have compiled BPSC AEDO Science Most Expected Questions based on exam trends.

Practising these BPSC AEDO Science Important Questions will help you master high-weightage BPSC AEDO Science Important Topics such as the Excretory System, Digestive Enzymes, and Newton’s Laws of Motion.

BPSC AEDO Science Exam Overview 2026

The BPSC AEDO 2026 exam follows an objective-type pattern. In the General Studies section, Science accounts for approximately 10 to 15 questions. Staying updated with official notifications is essential for timely preparation.

BPSC AEDO Question Papers

BPSC AEDO Science Important Topics

The following topics are frequently targeted in the BPSC AEDO Science Exam. Mastery of these areas is essential for a high score:

• Biology: Human Excretory System, Digestive Enzymes (Amylase, Pepsin), Liver and Gallbladder functions, and Blood Groups.

• Physics: Newton’s Laws of Motion, Kinetic Energy, and Work-Energy principles.

• Chemistry: Metals and Alloys (Stainless Steel components), Acids and Bases (Aqua Regia), and Nitrogenous wastes.

• General Science: Daily life applications, Nutrition in organisms, and Scientific instruments.

BPSC AEDO Science Important Questions with Solutions

This section covers some of the most important and frequently asked Science questions for the BPSC Assistant Engineering Development Officer (AEDO) examination. The questions are framed based on recent exam trends and standard science syllabi, focusing on conceptual clarity and application-based understanding. Practising these questions will help candidates strengthen their fundamentals and improve accuracy in the actual exam. Below are 20 BPSC AEDO Science Most Expected Questions:

Q1. Which of the following is the correct sequence of the human excretory system?

• Answer: Kidney → Ureter → Urinary Bladder → Urethra.

• Reasoning: The kidney filters blood, the ureter carries urine to the bladder for storage, and the urethra facilitates excretion.

Q2. Which enzyme present in saliva is responsible for the digestion of carbohydrates?

• Answer: Salivary Amylase.

• Reasoning: Amylase breaks down complex starches into simpler sugars right in the mouth.

Q3. A sailor jumps in the forward direction, causing the boat to move backward. Which law of Newton does this illustrate?

• Answer: Newton’s Third Law of Motion.

• Reasoning: This is a classic example of "Action and Reaction" where every action has an equal and opposite reaction.

Q4. What is the role of 'Aqua Regia' (Kanak-Raj)?

• Answer: It is used to dissolve noble metals like Gold and Platinum.

• Reasoning: It is a highly corrosive mixture of Nitric Acid (HNO3) and Hydrochloric Acid (HCl) in a 1:3 ratio.

Q5. Which of the following is NOT used in the manufacturing of Stainless Steel?

• Answer: Tungsten.

• Reasoning: Stainless steel primarily uses Iron, Chromium (for shine/rust resistance), and Nickel, whereas Tungsten is used for heating filaments.

Q6. What substance is produced by the Liver and stored in the Gallbladder?

• Answer: Bile Juice.

Q7. Which blood group is known as the 'Universal Donor'?

• Answer: O Negative (O-).

Q8. Which of the following enzymes helps in the digestion of proteins?

• Answer: Pepsin and Trypsin.

Q9. Kinetic Energy of an object depends on which two factors?

• Answer: Mass and Velocity ($KE = ½ mv^2$).

Q10. What is the primary nitrogenous waste filtered by the kidneys in humans?

• Answer: Urea.

Q11. Which organism follows a saprotrophic (dead/decaying matter) mode of nutrition?

• Answer: Fungi (e.g., Mushroom).

Q12. What is the pH nature of human blood?

• Answer: Slightly Basic (approx. 7.4).

Q13. In the context of blood circulation, which component carries oxygen to the tissues?

• Answer: Hemoglobin in Red Blood Cells (RBCs).

Q14. What happens to the kinetic energy of a body if its velocity is doubled?

• Answer: It becomes four times (quadrupled).

Q15. Which acid is primarily found in the human stomach to aid digestion?

• Answer: Hydrochloric Acid (HCl).

Q16. What is the main function of the 'Ureter' in the human body?

• Answer: To transport urine from the Kidneys to the Urinary Bladder.

Q17. Chromium is added to steel primarily for what purpose?

• Answer: To prevent rusting and provide a scratch-resistant shine.

Q18. Which part of the brain controls involuntary actions like breathing and heartbeat?

• Answer: Medulla Oblongata.

Q19. Which vitamin is essential for blood clotting?

• Answer: Vitamin K.

Q20. An object is at rest. What is its Kinetic Energy?

• Answer: Zero.

BPSC AEDO Science Important Questions Full Playlist

BPSC AEDO Science 2026 Preparation Tips

To excel in the BPSC AEDO Science Exam, candidates should adopt a structured approach focusing on conceptual clarity and regular practice:

Focus on NCERT Basics: Build a strong foundation using Class 6-10 NCERT Science books, as many questions are direct.

Analyze Faculty Notes: Use faculty notes to identify frequently discussed tricks and shortcuts.

Regular Mock Tests: Practice with BPSC AEDO Science Most Expected Questions to improve speed and accuracy, keeping the 1/3rd negative marking in mind.

Daily Revision: Make short notes; consistently revise concepts in order to stay consistent with key formulas and biological cycles.