Last Grade Servants 2023 — GK
Last Grade Servants (LGS) / Office Attendant — 2023 · 20 questions
Last Grade Servants 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. The state flower of Kerala is:
A. Lotus
B. Rose
C. Kanikonna (Golden Shower) ✓
D. Jasmine
Why: Kanikonna (Cassia fistula / Golden Shower Tree) is the state flower of Kerala. Its flowers are used in Vishu celebrations.
Q2. How many districts are there in Kerala?
A. 12
B. 13
C. 14 ✓
D. 15
Why: Kerala has 14 districts, from Kasaragod in the north to Thiruvananthapuram in the south.
Q3. The Nehru Trophy Boat Race is held at:
A. Vembanad Lake
B. Punnamada Lake ✓
C. Ashtamudi Lake
D. Sasthamkotta Lake
Why: The Nehru Trophy Boat Race is held annually at Punnamada Lake (part of Vembanad backwaters) in Alappuzha. It features traditional snake boats (Chundan Vallam).
Q4. The chemical symbol of Gold is:
A. Go
B. Gd
C. Au ✓
D. Ag
Why: Gold's chemical symbol is Au (from Latin 'Aurum'). Silver is Ag (from Latin 'Argentum'). Gd is Gadolinium.
Q5. Who was the first President of India?
A. Mahatma Gandhi
B. Dr. Rajendra Prasad ✓
C. Dr. S. Radhakrishnan
D. Jawaharlal Nehru
Why: Dr. Rajendra Prasad was the first President of India (1950-1962). He also served as the President of the Constituent Assembly.
Q6. Which part of the plant conducts photosynthesis?
A. Root
B. Stem
C. Leaf ✓
D. Flower
Why: Leaves are the primary site of photosynthesis. They contain chlorophyll (green pigment) which absorbs sunlight to convert CO₂ and water into glucose and oxygen.
Q7. The speed of light is approximately:
A. 3 × 10⁸ m/s ✓
B. 3 × 10⁶ m/s
C. 3 × 10¹⁰ m/s
D. 3 × 10⁴ m/s
Why: The speed of light in vacuum is approximately 3 × 10⁸ metres per second (about 300,000 km/s).
Q8. India became a Republic on:
A. 15 August 1947
B. 26 January 1950 ✓
C. 2 October 1947
D. 26 November 1949
Why: India became a Republic on 26 January 1950 when the Constitution came into effect. 15 August 1947 is Independence Day. 26 November 1949 is when the Constitution was adopted.
Q9. The Rubber Board of India is headquartered at:
A. Thiruvananthapuram
B. Kottayam ✓
C. Kochi
D. Kozhikode
Why: The Rubber Board of India is headquartered at Kottayam, Kerala. Kerala produces ~90% of India's natural rubber.
Q10. Which blood cells help in clotting?
A. Red Blood Cells
B. White Blood Cells
C. Platelets ✓
D. Plasma
Why: Platelets (thrombocytes) help in blood clotting by forming a plug at the site of a wound to prevent excessive bleeding.
Q11. The Indian National Anthem 'Jana Gana Mana' was written by:
A. Bankim Chandra Chattopadhyay
B. Rabindranath Tagore ✓
C. Sarojini Naidu
D. Muhammad Iqbal
Why: Rabindranath Tagore composed 'Jana Gana Mana' in Bengali. It was adopted as the National Anthem on 24 January 1950. Bankim Chandra wrote 'Vande Mataram' (National Song).
Q12. The currency of Japan is:
A. Yuan
B. Won
C. Yen ✓
D. Ringgit
Why: Japan's currency is the Yen (¥). Yuan is China's, Won is South Korea's, Ringgit is Malaysia's.
Q13. Silent Valley National Park is located in which district?
A. Idukki
B. Wayanad
C. Palakkad ✓
D. Thrissur
Why: Silent Valley National Park is in Palakkad district. It is one of the last undisturbed tropical evergreen forests in India and is home to the Lion-tailed Macaque.
Q14. In the number series 5, 11, 23, 47, ___ — what comes next?
A. 91
B. 93
C. 95 ✓
D. 97
Why: Pattern: each number × 2 + 1. 5×2+1=11, 11×2+1=23, 23×2+1=47, 47×2+1=95.
Q15. The boiling point of water at sea level is:
A. 90°C
B. 100°C ✓
C. 110°C
D. 212°C
Why: Water boils at 100°C (212°F) at standard atmospheric pressure (sea level). At higher altitudes, the boiling point decreases.
Q16. Onam is celebrated in which Malayalam month?
A. Medam
B. Chingam ✓
C. Karkidakam
D. Thulam
Why: Onam is celebrated in the month of Chingam (August-September), commemorating the mythical King Mahabali's annual return to Kerala.
Q17. The Indian Space Research Organisation (ISRO) is headquartered at:
A. Sriharikota
B. Thiruvananthapuram
C. Bangalore ✓
D. Ahmedabad
Why: ISRO is headquartered in Bangalore (Bengaluru), Karnataka. Sriharikota (Andhra Pradesh) is the launch centre. Thiruvananthapuram has the Vikram Sarabhai Space Centre (VSSC).
Q18. Who is known as the 'Missile Man of India'?
A. Vikram Sarabhai
B. Homi Bhabha
C. Dr. A.P.J. Abdul Kalam ✓
D. Satish Dhawan
Why: Dr. A.P.J. Abdul Kalam is known as the 'Missile Man of India' for his work on India's missile and nuclear weapons programmes. He served as the 11th President of India (2002-2007).
Q19. Which Kerala festival is known as the 'Festival of Lights'?
A. Onam
B. Vishu ✓
C. Thrissur Pooram
D. Thiruvathira
Why: Vishu (Kerala New Year in April) features the Vishukkani — an auspicious arrangement of items seen first thing in the morning. While Deepavali is the pan-Indian 'festival of lights', in Kerala context, Vishu's lamp and kani arrangement represents light/new beginnings.
Q20. The longest national highway in India is:
A. NH 44 ✓
B. NH 7
C. NH 27
D. NH 48
Why: NH 44 (formerly NH 7) is the longest national highway in India, running from Srinagar to Kanyakumari, covering approximately 3,745 km.
Questions 26 – 20
Questions 51 – 20
Questions 76 – 20
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