90. On which date is National Sports Day celebrated in India?
[SSC CPO — 12 Dec 2025, Shift 1]
- (A) 29 July
- (B) 29 August
- (C) 29 September
- (D) 29 October
Answer: (B) 29 August
Explanation: National Sports Day is observed on 29 August, the birth anniversary of hockey legend Major Dhyan Chand. It celebrates sporting excellence and encourages physical activity. Dhyan Chand represented India during its celebrated Olympic hockey successes of the twentieth century.
89. Which day is celebrated on 31 October to honour Sardar Vallabhbhai Patel?
[SSC CHSL Tier I — 28 Nov 2025, Shift 1]
- (A) National Science Day
- (B) National Martyrs’ Day
- (C) National Unity Day
- (D) National Constitution Day
Answer: (C) National Unity Day
Explanation: India observes Rashtriya Ekta Diwas, or National Unity Day, on 31 October. This is Sardar Vallabhbhai Patel’s birth anniversary. He is remembered for his central role in integrating princely states into the Indian Union after independence.
88. National Science Day, celebrated on 28 February, commemorates the achievement of which scientist?
[SSC CHSL Tier I — 14 Nov 2025, Shift 1]
- (A) C. V. Raman
- (B) Homi J. Bhabha
- (C) Vikram Sarabhai
- (D) A. P. J. Abdul Kalam
Answer: (A) C. V. Raman
Explanation: National Science Day honours physicist C. V. Raman, who announced the Raman effect on 28 February 1928. His work on the scattering of light earned him the 1930 Nobel Prize in Physics, the first awarded to an Asian scientist in physics.
87. What was the theme of World Wildlife Day observed on 3 March 2025?
[RRB NTPC Graduate CBT-II — 13 Oct 2025, Shift 1]
- (A) Wildlife Conservation Finance: Investing in People and Planet
- (B) Partnerships for Wildlife Conservation
- (C) Recovering Key Species for Ecosystem Restoration
- (D) Forests and Livelihoods: Sustaining People and Planet
Answer: (A) Wildlife Conservation Finance: Investing in People and Planet
Explanation: World Wildlife Day 2025 highlighted financing conservation through the theme “Wildlife Conservation Finance: Investing in People and Planet”. The 3 March observance connects biodiversity protection with livelihoods and recognizes that conservation requires long-term funding and participation by local communities.
86. Which date is celebrated as World Health Day?
[WB Police SI Preliminary Examination — 12 Oct 2025]
- (A) 23 April
- (B) 18 April
- (C) 15 April
- (D) 7 April
Answer: (D) 7 April
Explanation: World Health Day is observed on 7 April by the World Health Organization and its partners. Each year focuses attention on a particular health challenge, such as equitable access or disease prevention. The date relates to WHO’s founding in 1948.
85. On which date is National Girl Child Day celebrated in India?
[UPSSSC PET — 7 Sept 2025, Shift 2]
- (A) 24 January
- (B) 8 March
- (C) 11 October
- (D) 25 December
- (E) None of the above
Answer: (A) 24 January
Explanation: India marks National Girl Child Day on 24 January. It is distinct from the United Nations International Day of the Girl Child, which falls on 11 October. The Indian observance promotes girls’ rights, education, welfare and protection from discrimination.
84. World Consumer Rights Day is observed on which date?
[UPSSSC PET — 6 Sept 2025, Shift 1]
- (A) 8 April
- (B) 21 March
- (C) 11 October
- (D) 15 March
- (E) None of the above
Answer: (D) 15 March
Explanation: World Consumer Rights Day is celebrated on 15 March. It was inspired by John F. Kennedy’s 1962 consumer-rights message to the US Congress. Campaigns focus on product safety, fair markets, information, consumer choice and access to redress.
83. Which observance on 24 January 2025 promoted the rights of girls in India?
[RRB NTPC Graduate CBT-I — 13 Jun 2025, Shift 2]
- (A) National Girl Child Day
- (B) National Girl Safety Day
- (C) Girl Equality Day
- (D) Girl Empowerment Day
Answer: (A) National Girl Child Day
Explanation: National Girl Child Day is an Indian observance held on 24 January. Its aim is to challenge discrimination and encourage access to education, health and opportunity for girls. It should not be confused with International Women’s Day on 8 March.
82. On which date is World Ozone Day observed?
[OSSC CGLRE Mains — 30 Mar 2025]
- (A) 16 September
- (B) 22 September
- (C) 6 October
- (D) 23 October
Answer: (A) 16 September
Explanation: The International Day for the Preservation of the Ozone Layer is observed on 16 September. The date recalls the signing of the Montreal Protocol in 1987, an international agreement controlling ozone-depleting substances and supporting atmospheric recovery.
81. When is National Mathematics Day observed in India?
[UPSSSC Junior Assistant — 19 Jan 2025]
- (A) 25 December
- (B) 14 November
- (C) 5 December
- (D) 22 December
- (E) None of the above
Answer: (D) 22 December
Explanation: National Mathematics Day is celebrated on 22 December, the birth anniversary of Srinivasa Ramanujan. The Government of India announced the observance in 2012. It encourages mathematical learning and honours his outstanding contributions to number theory and related branches.
