Fireman / Driver Operator 2023 — GK
Fireman / Fire and Rescue Driver Operator — 2023 · 20 questions
Fireman / Driver Operator 2023 — GK
20 questions · 15 minutes
All 20 questions answered
Verified correct answer (highlighted green) · short Why note for each · sources cited where relevant. Disputed answer-keys are flagged transparently.
Questions 1 – 20
Q1. Water is made up of which two elements?
A. Hydrogen and Nitrogen
B. Hydrogen and Oxygen ✓
C. Oxygen and Carbon
D. Nitrogen and Oxygen
Why: Water (H₂O) is made up of Hydrogen and Oxygen — 2 atoms of Hydrogen and 1 atom of Oxygen.
Q2. The boiling point of water at sea level is:
A. 90°C
B. 100°C ✓
C. 110°C
D. 120°C
Why: Water boils at 100°C (212°F) at standard atmospheric pressure (sea level).
Q3. Which fire extinguisher is used for electrical fires?
A. Water type
B. Foam type
C. CO₂ type ✓
D. Wet chemical type
Why: CO₂ (Carbon Dioxide) extinguishers are used for electrical fires because CO₂ is non-conductive and doesn't damage electrical equipment. Water on electrical fires causes electrocution.
Q4. The chemical formula of water is:
A. HO
B. H₂O ✓
C. H₂O₂
D. OH
Why: Water = H₂O (2 hydrogen atoms + 1 oxygen atom). H₂O₂ is hydrogen peroxide.
Q5. Normal human body temperature is:
A. 36°C
B. 37°C ✓
C. 38°C
D. 39°C
Why: Normal human body temperature is approximately 37°C (98.6°F).
Q6. The smallest bone in the human body is:
A. Femur
B. Stapes ✓
C. Radius
D. Patella
Why: Stapes (stirrup bone) in the middle ear is the smallest bone in the human body, measuring about 3 mm.
Q7. The National Flag of India was designed by:
A. Mahatma Gandhi
B. Jawaharlal Nehru
C. Pingali Venkayya ✓
D. Rabindranath Tagore
Why: Pingali Venkayya designed the Indian National Flag. The current design was adopted on 22 July 1947.
Q8. How many spokes are there in the Ashoka Chakra on the Indian flag?
A. 12
B. 20
C. 24 ✓
D. 32
Why: The Ashoka Chakra on the Indian flag has 24 spokes, representing the 24 hours of the day (continuous progress).
Q9. Which is the most abundant gas in the atmosphere?
A. Oxygen
B. Carbon Dioxide
C. Nitrogen ✓
D. Argon
Why: Nitrogen makes up about 78% of the Earth's atmosphere. Oxygen is about 21%. Argon is about 0.93%.
Q10. The full form of AIDS is:
A. Acquired Immune Disease Syndrome
B. Acquired Immuno Deficiency Syndrome ✓
C. Active Immune Deficiency Syndrome
D. Acquired Infection Disease Syndrome
Why: AIDS = Acquired Immuno Deficiency Syndrome. It is caused by HIV (Human Immunodeficiency Virus).
Q11. Which organ purifies blood in the human body?
A. Heart
B. Liver
C. Kidney ✓
D. Lungs
Why: Kidneys filter and purify blood, removing waste products and excess water to form urine. Each kidney has about 1 million nephrons.
Q12. India's first satellite was:
A. Bhaskara
B. Rohini
C. Aryabhata ✓
D. INSAT-1A
Why: Aryabhata was India's first satellite, launched on 19 April 1975 by the Soviet Union from Kapustin Yar. It was named after the ancient Indian mathematician.
Q13. The Emergency in India was declared in which year?
A. 1971
B. 1975 ✓
C. 1977
D. 1980
Why: National Emergency was declared on 25 June 1975 by President Fakhruddin Ali Ahmed on the advice of PM Indira Gandhi. It lasted until 21 March 1977.
Q14. Diabetes is caused by the deficiency of:
A. Vitamin D
B. Haemoglobin
C. Insulin ✓
D. Calcium
Why: Diabetes mellitus is caused by insufficient production or improper utilisation of Insulin, which is produced by the Pancreas.
Q15. Who was the first Indian in space?
A. Kalpana Chawla
B. Rakesh Sharma ✓
C. Sunita Williams
D. Ravish Malhotra
Why: Squadron Leader Rakesh Sharma was the first Indian in space, aboard the Soviet Soyuz T-11 mission on 3 April 1984. When asked how India looked from space, he famously replied 'Saare Jahaan Se Achcha'.
Q16. The number of union territories in India is:
A. 7
B. 8 ✓
C. 9
D. 10
Why: India has 8 Union Territories: Delhi, Puducherry, Chandigarh, Andaman & Nicobar, Lakshadweep, Dadra & Nagar Haveli and Daman & Diu, Ladakh, Jammu & Kashmir.
Q17. The 'Tropic of Cancer' passes through how many Indian states?
A. 6
B. 7
C. 8 ✓
D. 9
Why: The Tropic of Cancer (23.5°N) passes through 8 Indian states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram.
Q18. Which vitamin is also known as 'Sunshine Vitamin'?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D ✓
Why: Vitamin D is called the 'Sunshine Vitamin' because it is synthesised in the skin when exposed to sunlight (UV rays).
Q19. The 'Right to Education' was added to Fundamental Rights by which amendment?
A. 42nd Amendment
B. 73rd Amendment
C. 86th Amendment ✓
D. 93rd Amendment
Why: The 86th Amendment (2002) added Article 21A, making free and compulsory education for children aged 6-14 a Fundamental Right.
Q20. Palakkad is known as:
A. Venice of the East
B. Queen of Arabian Sea
C. Granary of Kerala ✓
D. Cultural Capital of Kerala
Why: Palakkad is called the 'Granary of Kerala' (Rice Bowl of Kerala) because of its extensive paddy cultivation, facilitated by the Palakkad Gap.
Questions 26 – 20
Questions 51 – 20
Questions 76 – 20
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