21. 12 May is celebrated as –

A. Women’s Equality Day
B. World Mosquito Day
C. International Day of Peace
D. International Nurse Day
✅ The correct answer is option D.
International Nurses Day (IND) is an international day observed around the world on 12 May (the anniversary of Florence Nightingale’s birth) of each year, to mark the contributions that nurses make to society.

23. 15 March is celebrated as –

A. World Consumer Rights Day
B. United Nations Day
C. United Nations Day
D. World Post Day
✅ The correct answer is option A.
Every year 15 March is celebrated as the World Consumer Rights Day. World Consumer Rights Day was inspired by President John F. Kennedy, who sent a special message to the US Congress on 15 March 1962, in which he formally addressed the issue of consumer rights.

24. When is International Day for the Elimination of Racial Discrimination, recognized by the UN observed?

A. 11 December
B. 20 December
C. 21 March
D. 17 June
✅ The correct answer is option C.
The International Day for the Elimination of Racial Discrimination is observed annually on 21 March. On that day, in 1960, police opened fire and killed 69 people at a peaceful demonstration in Sharpeville, South Africa, against the apartheid pass laws.

25. 14 October is celebrated as –

A. World Refugee Day
B. World Blood Donor Day
C. World Standards Day
D. World UFO Day
✅ The correct answer is option C.
World Standards Day (or International Standards Day) is an international day celebrated internationally each year on 14 October. The day honours the efforts of the thousands of experts who develop voluntary standards within standards development organizations such as the American Society of Mechanical Engineers (ASME), International Electrotechnical Commission (IEC), International Ethics Standards Board for Accountants (IESBA), International Organization for Standardization (ISO), International Telecommunication Union (ITU), Institute of Electrical and Electronics Engineers (IEEE) and Internet Engineering Task Force (IETF).

27. When is International Migrants Day observed?

A. 25 January
B. 18 December
C. 24 October
D. 14 November
✅ The correct answer is option B.
Each year on 18 December, the United Nations, through the UN related agency International Organization for Migration (IOM), uses International Migrants Day to highlight the contributions made by the roughly 272 million migrants, including more than 41 million internally displaced persons, and the challenges they face.

28. Which one of the following days does not synchronize with the birth anniversary of any eminent Indian?

A. Teacher’s Day
B. Children’s Day
C. Gandhi Jayanti
D. National Science Day
✅ The correct answer is option D.
National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir C. V. Raman on 28 February 1928.

29. 17 May is celebrated as –

A. World Mathematics Day
B. World Information Society Day
C. International Day of Peace
D. World Car free Day
✅ The correct answer is option B.
World Telecommunication and Information Society Day is an international day proclaimed in November 2006 by the International Telecommunication Union Plenipotentiary Conference in Antalya, Turkey, to be celebrated annually on 17 May.

30. Which of the following year is celebrated as International Year of the Potato?

A. 2008
B. 2001
C. 2005
D. 2003
✅ The correct answer is option A.
The year 2008 was declared the International Year of the Potato by the United Nations, noting that the potato is a staple food in the diet of the world’s population, and affirming the need to focus world attention on the role that the potato can play in providing food security and eradicating poverty.