30. On which date is National Technology Day observed in India?
[UPSC CAPF, Paper I — 2020]
- (A) 9 August
- (B) 8 September
- (C) 11 May
- (D) 17 May
Answer: (C) 11 May
Explanation: National Technology Day occurs on 11 May. The date commemorates India’s Pokhran nuclear tests on 11 May 1998 as well as national scientific and technological achievements. It recognises the importance of innovation and technological self-reliance.
29. On which date is World Post Day celebrated internationally?
[Karnataka Police Constable — 1 Dec 2019]
- (A) 8 October
- (B) 9 October
- (C) 10 October
- (D) 11 October
Answer: (B) 9 October
Explanation: World Post Day marks 9 October, when the Universal Postal Union was established in Bern in 1874. The UPU declared the observance in 1969 to recognise postal services as essential infrastructure supporting communication, commerce and social connections.
28. National Education Day is celebrated every year on which date?
[MPSC State Services Mains GS Paper III — 2019]
- (A) 3 January
- (B) 5 September
- (C) 15 October
- (D) 11 November
Answer: (D) 11 November
Explanation: National Education Day is observed on 11 November, the birth anniversary of independent India’s first Education Minister, Maulana Abul Kalam Azad. The observance began in 2008 and encourages reflection on education, literacy and access to learning.
27. World Ozone Day is celebrated annually on which date in September?
[SSC CPO — 11 Dec 2019, Shift 1]
- (A) 12
- (B) 6
- (C) 8
- (D) 16
Answer: (D) 16
Explanation: World Ozone Day is observed on 16 September to commemorate the signing of the 1987 Montreal Protocol. This agreement limits ozone-depleting chemicals, especially chlorofluorocarbons, helping protect the stratospheric ozone layer that shields living organisms from ultraviolet radiation.
26. On which date is National Science Day observed in India?
[SSC JE Electrical — 26 Sept 2019, Morning]
- (A) 8 March
- (B) 15 September
- (C) 22 December
- (D) 28 February
Answer: (D) 28 February
Explanation: National Science Day is 28 February, commemorating C. V. Raman’s discovery of the Raman effect in 1928. The phenomenon concerns the scattering of light and earned Raman the Nobel Prize in Physics in 1930.
25. National Doctors’ Day is celebrated in India on which date?
[DSSSB LDC — 18 Aug 2019, Shift 1]
- (A) 1 July
- (B) 27 June
- (C) 27 July
- (D) 2 July
Answer: (A) 1 July
Explanation: National Doctors’ Day in India falls on 1 July and honours Dr Bidhan Chandra Roy, a renowned physician and former Chief Minister of West Bengal. Both his birth in 1882 and his death in 1962 occurred on that date.
24. World AIDS Day is observed on which date?
[SSC MTS — 6 Aug 2019, Shift 2]
- (A) 5 June
- (B) 1 November
- (C) 1 December
- (D) 8 March
Answer: (C) 1 December
Explanation: World AIDS Day is commemorated every 1 December. The first campaign was organised in 1988 to increase HIV/AIDS awareness, improve support for people living with HIV and remember lives lost. Awareness and treatment access remain central themes.
23. On which date is World Health Day observed?
[UP Police Constable — 27 Jan 2019, Shift 2]
- (A) 17 January
- (B) 7 April
- (C) 1 August
- (D) 21 September
Answer: (B) 7 April
Explanation: World Health Day falls on 7 April and is coordinated by the World Health Organization. The date celebrates the establishment of WHO in 1948. Its annual themes direct global attention towards pressing health and healthcare issues.
22. The United Nations observes the International Day of Rural Women on which date?
[UPSC CDS I, General Knowledge — 3 Feb 2019]
- (A) 15 July
- (B) 15 August
- (C) 15 September
- (D) 15 October
Answer: (D) 15 October
Explanation: The International Day of Rural Women is observed on 15 October. The United Nations recognises rural women’s contributions to agriculture, nutrition, food security and household well-being, while drawing attention to barriers in land ownership, finance and public services.
21. Which date is marked as World Day for War Orphans?
[WBCS Preliminary Examination — 2019]
- (A) 3 January
- (B) 4 January
- (C) 5 January
- (D) 6 January
Answer: (D) 6 January
Explanation: The World Day of War Orphans is observed on 6 January. It highlights children who have lost parents through armed conflict and the need for humanitarian assistance, protection, education, emotional support and long-term rehabilitation.
