RRB Group D General Science Mock Test 2026 – Free Practice Quiz with Answers (Set 09)

Welcome to RRB Group D General Science Mock Test 2026 – Free Practice Quiz with Answers (Set 09), your comprehensive online practice test prepared specifically for government competitive exam aspirants. This RRB Group D mock test features 50 exam-standard multiple choice questions covering key topics with detailed solutions and answer explanations. Practicing mock quizzes regularly is the proven strategy to enhance your solving speed, eliminate exam anxiety, and master time management for high-stakes recruitment examinations.

Why Practice This RRB Group D Mock Test?

  • Latest Syllabus & Pattern: Every question strictly aligns with the updated syllabus and previous year exam trends for RRB Group D.
  • Multi-Subject Balance: Curated mix of Quantitative Aptitude, Logical Reasoning, General Awareness, and Language skills to simulate the actual paper.
  • Comprehensive Explanations: Step-by-step mathematical derivations and factual references provided for conceptual clarity.
  • 100% Free Access: Attempt online anytime, analyze weak areas, and monitor your score progression across our 120-part mock test series.

Exam Instructions & Marking Scheme

⏱ Recommended Duration: 60 minutes

📋 Total Questions: 50 Multiple Choice Questions (4 Options each)

⚖️ Marking Scheme: +2 for correct answer, -0.50 for incorrect answer

💡 Strategy Tip: Read each question carefully. Do not spend more than 60 seconds on any single question on the first pass. Mark doubtful questions for review.

RRB Group D Mock Test – 50 Practice Questions

  1. Q1. A shopkeeper purchases an item for Rs 1200 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1400    (B) Rs 1440    (C) Rs 1490    (D) Rs 1540

  2. Q2. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  3. Q3. Which Article of the Constitution of India empowers citizens to approach the Supreme Court directly for enforcement of Fundamental Rights.

    (A) Article 32    (B) Article 15    (C) Article 44    (D) Article 51A

  4. Q4. Which optical phenomenon is primarily responsible for the twinkling of stars in the night sky?

    (A) Atmospheric Refraction    (B) Total Internal Reflection    (C) Dispersion    (D) Scattering

  5. Q5. Who was the first Governor-General of independent India in 1947?

    (A) Lord Mountbatten    (B) C. Rajagopalachari    (C) Dr. Rajendra Prasad    (D) Jawaharlal Nehru

  6. Q6. A train of length 210 metres crosses a platform of length 280 metres in 28 seconds. What is the speed of the train in km/h?

    (A) 53 km/h    (B) 63 km/h    (C) 75 km/h    (D) 83 km/h

  7. Q7. In a class of 37 students standing in a single row, Aman is ranked 17th from the left end. What is his rank from the right end?

    (A) 19th    (B) 21th    (C) 23th    (D) 24th

  8. Q8. Which Article of the Constitution of India guarantees six fundamental freedoms including Freedom of Speech and Expression.

    (A) Article 19    (B) Article 15    (C) Article 44    (D) Article 51A

  9. Q9. Which metal is liquid at standard room temperature and pressure?

    (A) Mercury (Hg)    (B) Bromine    (C) Gallium    (D) Sodium

  10. Q10. Which international organization publishes the annual 'World Economic Outlook' report?

    (A) International Monetary Fund (IMF)    (B) World Bank    (C) WTO    (D) WEF

  11. Q11. Calculate the Simple Interest on a principal amount of Rs 8,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,800    (B) Rs 1,920    (C) Rs 2,120    (D) Rs 2,270

  12. Q12. Find the missing term in the sequence: 2, 5, 11, 23, ?

    (A) 43    (B) 47    (C) 53    (D) 57

  13. Q13. Which Article of the Constitution of India lays down the procedure for amending the Constitution by the Parliament.

    (A) Article 368    (B) Article 15    (C) Article 44    (D) Article 51A

  14. Q14. What is the chemical formula for common household Bleaching Powder?

    (A) CaOCl2    (B) CaCO3    (C) CaSO4    (D) CaCl2

  15. Q15. In which year did the historic Jallianwala Bagh massacre take place in Amritsar?

    (A) 1919 (13th April)    (B) 1920    (C) 1918    (D) 1922

  16. Q16. A shopkeeper purchases an item for Rs 1000 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1160    (B) Rs 1200    (C) Rs 1250    (D) Rs 1300

  17. Q17. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  18. Q18. Which Article of the Constitution of India empowers the President of India to promulgate Ordinances during the recess of Parliament.

    (A) Article 123    (B) Article 15    (C) Article 44    (D) Article 51A

  19. Q19. Which cell organelle contains digestive enzymes and is nicknamed the 'Suicide Bag of the Cell'?

    (A) Lysosome    (B) Mitochondria    (C) Ribosome    (D) Centrosome

  20. Q20. Give one word for: 'A person who loves and collects books passionately'

    (A) Bibliophile    (B) Philatelist    (C) Numismatist    (D) Polyglot

  21. Q21. A train of length 180 metres crosses a platform of length 280 metres in 24 seconds. What is the speed of the train in km/h?

    (A) 59 km/h    (B) 69 km/h    (C) 81 km/h    (D) 89 km/h

  22. Q22. In a class of 32 students standing in a single row, Aman is ranked 16th from the left end. What is his rank from the right end?

    (A) 15th    (B) 17th    (C) 19th    (D) 20th

  23. Q23. Which Article of the Constitution of India protects Right to Life and Personal Liberty except according to procedure established by law.

    (A) Article 21    (B) Article 15    (C) Article 44    (D) Article 51A

  24. Q24. What is the SI unit of electric potential difference (Voltage)?

    (A) Volt    (B) Ampere    (C) Watt    (D) Joule

  25. Q25. Select the correctly spelt word from the options:

    (A) Bureaucracy    (B) Beurocracy    (C) Bureaucrasy    (D) Burocracy

  26. Q26. Calculate the Simple Interest on a principal amount of Rs 7,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,560    (B) Rs 1,680    (C) Rs 1,880    (D) Rs 2,030

  27. Q27. Find the missing term in the sequence: 5, 11, 23, 47, ?

    (A) 91    (B) 95    (C) 101    (D) 105

  28. Q28. Which Article of the Constitution of India guarantees Equality before Law and Equal Protection of the Laws within the territory of India.

    (A) Article 14    (B) Article 15    (C) Article 44    (D) Article 51A

  29. Q29. Which blood cells are responsible for carrying oxygen from the lungs to the body tissues?

    (A) Red Blood Cells (Erythrocytes)    (B) White Blood Cells    (C) Platelets    (D) Plasma

  30. Q30. Choose the word that is most opposite in meaning (Antonym) to 'METICULOUS':

    (A) Careless / Sloppy    (B) Accurate    (C) Diligent    (D) Cautious

  31. Q31. A shopkeeper purchases an item for Rs 1600 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1880    (B) Rs 1920    (C) Rs 1970    (D) Rs 2020

  32. Q32. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  33. Q33. Which Article of the Constitution of India provides for the imposition of President's Rule in a State upon failure of constitutional machinery.

    (A) Article 356    (B) Article 15    (C) Article 44    (D) Article 51A

  34. Q34. Which optical phenomenon is primarily responsible for the twinkling of stars in the night sky?

    (A) Atmospheric Refraction    (B) Total Internal Reflection    (C) Dispersion    (D) Scattering

  35. Q35. Who was the first Governor-General of independent India in 1947?

    (A) Lord Mountbatten    (B) C. Rajagopalachari    (C) Dr. Rajendra Prasad    (D) Jawaharlal Nehru

  36. Q36. A train of length 150 metres crosses a platform of length 280 metres in 20 seconds. What is the speed of the train in km/h?

    (A) 67 km/h    (B) 77 km/h    (C) 89 km/h    (D) 97 km/h

  37. Q37. In a class of 37 students standing in a single row, Aman is ranked 15th from the left end. What is his rank from the right end?

    (A) 21th    (B) 23th    (C) 25th    (D) 26th

  38. Q38. Which Article of the Constitution of India empowers citizens to approach the Supreme Court directly for enforcement of Fundamental Rights.

    (A) Article 32    (B) Article 15    (C) Article 44    (D) Article 51A

  39. Q39. Which metal is liquid at standard room temperature and pressure?

    (A) Mercury (Hg)    (B) Bromine    (C) Gallium    (D) Sodium

  40. Q40. Which international organization publishes the annual 'World Economic Outlook' report?

    (A) International Monetary Fund (IMF)    (B) World Bank    (C) WTO    (D) WEF

  41. Q41. Calculate the Simple Interest on a principal amount of Rs 6,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,320    (B) Rs 1,440    (C) Rs 1,640    (D) Rs 1,790

  42. Q42. Find the missing term in the sequence: 2, 5, 11, 23, ?

    (A) 43    (B) 47    (C) 53    (D) 57

  43. Q43. Which Article of the Constitution of India guarantees six fundamental freedoms including Freedom of Speech and Expression.

    (A) Article 19    (B) Article 15    (C) Article 44    (D) Article 51A

  44. Q44. What is the chemical formula for common household Bleaching Powder?

    (A) CaOCl2    (B) CaCO3    (C) CaSO4    (D) CaCl2

  45. Q45. In which year did the historic Jallianwala Bagh massacre take place in Amritsar?

    (A) 1919 (13th April)    (B) 1920    (C) 1918    (D) 1922

  46. Q46. A shopkeeper purchases an item for Rs 1400 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1640    (B) Rs 1680    (C) Rs 1730    (D) Rs 1780

  47. Q47. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  48. Q48. Which Article of the Constitution of India lays down the procedure for amending the Constitution by the Parliament.

    (A) Article 368    (B) Article 15    (C) Article 44    (D) Article 51A

  49. Q49. Which cell organelle contains digestive enzymes and is nicknamed the 'Suicide Bag of the Cell'?

    (A) Lysosome    (B) Mitochondria    (C) Ribosome    (D) Centrosome

  50. Q50. Give one word for: 'A person who loves and collects books passionately'

    (A) Bibliophile    (B) Philatelist    (C) Numismatist    (D) Polyglot

Answer Key & Topic Breakdown

Q.No Correct Answer Subject / Topic Q.No Correct Answer Subject / Topic
1 (B) Rs 1440 Quant - Profit & Loss 26 (B) Rs 1,680 Quant - Simple Interest
2 (A) TVDDFFT Reasoning - Coding Decoding 27 (B) 95 Reasoning - Number Series
3 (A) Article 32 Polity - Right to Constitutional Remedies 28 (A) Article 14 Polity - Right to Equality
4 (A) Atmospheric Refraction General Science - Physics 29 (A) Red Blood Cells (Erythrocytes) General Science - Biology
5 (A) Lord Mountbatten History - Modern India 30 (A) Careless / Sloppy English - Antonyms
6 (B) 63 km/h Quant - Speed, Time & Distance 31 (B) Rs 1920 Quant - Profit & Loss
7 (B) 21th Reasoning - Order & Ranking 32 (A) TVDDFFT Reasoning - Coding Decoding
8 (A) Article 19 Polity - Right to Freedom 33 (A) Article 356 Polity - State Emergency / President's Rule
9 (A) Mercury (Hg) General Science - Chemistry 34 (A) Atmospheric Refraction General Science - Physics
10 (A) International Monetary Fund (IMF) General Awareness - Global Bodies 35 (A) Lord Mountbatten History - Modern India
11 (B) Rs 1,920 Quant - Simple Interest 36 (B) 77 km/h Quant - Speed, Time & Distance
12 (B) 47 Reasoning - Number Series 37 (B) 23th Reasoning - Order & Ranking
13 (A) Article 368 Polity - Constitutional Amendments 38 (A) Article 32 Polity - Right to Constitutional Remedies
14 (A) CaOCl2 General Science - Chemistry 39 (A) Mercury (Hg) General Science - Chemistry
15 (A) 1919 (13th April) History - Freedom Struggle 40 (A) International Monetary Fund (IMF) General Awareness - Global Bodies
16 (B) Rs 1200 Quant - Profit & Loss 41 (B) Rs 1,440 Quant - Simple Interest
17 (A) TVDDFFT Reasoning - Coding Decoding 42 (B) 47 Reasoning - Number Series
18 (A) Article 123 Polity - President's Legislative Powers 43 (A) Article 19 Polity - Right to Freedom
19 (A) Lysosome General Science - Biology 44 (A) CaOCl2 General Science - Chemistry
20 (A) Bibliophile English - One Word Substitution 45 (A) 1919 (13th April) History - Freedom Struggle
21 (B) 69 km/h Quant - Speed, Time & Distance 46 (B) Rs 1680 Quant - Profit & Loss
22 (B) 17th Reasoning - Order & Ranking 47 (A) TVDDFFT Reasoning - Coding Decoding
23 (A) Article 21 Polity - Protection of Life 48 (A) Article 368 Polity - Constitutional Amendments
24 (A) Volt General Science - Physics 49 (A) Lysosome General Science - Biology
25 (A) Bureaucracy English - Spelling Test 50 (A) Bibliophile English - One Word Substitution

Detailed Solutions & Explanations

Q1 Explanation (Quant - Profit & Loss)

Selling Price = Cost Price * (1 + Profit/100) = Rs 1200 * 1.20 = Rs 1440.

Q2 Explanation (Reasoning - Coding Decoding)

Each letter is shifted forward by +1: S->T, U->V, C->D, C->D, E->F, S->T, S->T -> TVDDFFT.

Q3 Explanation (Polity - Right to Constitutional Remedies)

Article 32 empowers citizens to approach the Supreme Court directly for enforcement of Fundamental Rights.

Q4 Explanation (General Science - Physics)

Continuous atmospheric refraction through air layers of varying optical density causes stars to twinkle.

Q5 Explanation (History - Modern India)

Lord Mountbatten served as the first Governor-General of independent India from Aug 1947 to June 1948.

Q6 Explanation (Quant - Speed, Time & Distance)

Speed = Total Distance / Time = (210 + 280) / 28 = 17.50 m/s * (18/5) = 63 km/h.

Q7 Explanation (Reasoning - Order & Ranking)

Rank from Right = Total Students - Rank from Left + 1 = 37 - 17 + 1 = 21th.

Q8 Explanation (Polity - Right to Freedom)

Article 19 guarantees six fundamental freedoms including Freedom of Speech and Expression.

Q9 Explanation (General Science - Chemistry)

Mercury is the only metallic element that is liquid at standard room temperature.

Q10 Explanation (General Awareness - Global Bodies)

The World Economic Outlook (WEO) is a flagship report published biannually by the IMF.

Q11 Explanation (Quant - Simple Interest)

Simple Interest = (P * R * T) / 100 = (8000 * 8 * 3) / 100 = Rs 1,920.

Q12 Explanation (Reasoning - Number Series)

Pattern: Multiply previous term by 2 and add 1 (x * 2 + 1). The next term is 47.

Q13 Explanation (Polity - Constitutional Amendments)

Article 368 lays down the procedure for amending the Constitution by the Parliament.

Q14 Explanation (General Science - Chemistry)

Bleaching powder is Calcium Hypochlorite / Calcium Oxychloride (CaOCl2).

Q15 Explanation (History - Freedom Struggle)

The Jallianwala Bagh massacre occurred on 13 April 1919 under General Dyer.

Q16 Explanation (Quant - Profit & Loss)

Selling Price = Cost Price * (1 + Profit/100) = Rs 1000 * 1.20 = Rs 1200.

Q17 Explanation (Reasoning - Coding Decoding)

Each letter is shifted forward by +1: S->T, U->V, C->D, C->D, E->F, S->T, S->T -> TVDDFFT.

Q18 Explanation (Polity - President's Legislative Powers)

Article 123 empowers the President of India to promulgate Ordinances during the recess of Parliament.

Q19 Explanation (General Science - Biology)

Lysosomes contain hydrolytic enzymes and break down waste materials, known as suicide bags.

Q20 Explanation (English - One Word Substitution)

A 'Bibliophile' is an enthusiastic lover or collector of books.

Frequently Asked Questions (FAQs)

1. Is this RRB Group D mock test completely free to attempt?

Yes, all mock tests in this 120-set series are 100% free with no registration or hidden fees required. You can practice as many times as you like and share the quiz with fellow aspirants.

2. How does practicing 50-question mock tests help in exam preparation?

Solving timed 50-question sets builds mental stamina, improves speed-accuracy ratio, and helps you identify specific chapters where you lose marks before attempting full-length papers.

3. How should I analyze my performance after completing this quiz?

First calculate your net score using the official negative marking scheme. Then review every incorrect answer and unattempted question in our explanation section to ensure you master the underlying concept.

4. What is the recommended time allocation for this 50-question paper?

For most Tier-1/Prelims exams, allocate roughly 30 to 45 seconds for General Awareness questions, 50 seconds for Reasoning, and 60 to 75 seconds for Quantitative Aptitude problems.

5. Where can I find more sets in this government exam mock test series?

You can navigate to the previous and next practice sets using the series links below to cover all major recruitment exams including SSC, Railways, UPSC, Banking, and State PSCs.

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