Option (a) is correct:
Tungurahua Volcano is an active stratovolcano located in the Ecuadorian Andes, in the Tungurahua Province of central Ecuador.
Napo Sumaco and Tungurahua Volcano were officially recognized on April 10, 2025, by the Organization's Executive Council. These two new geoparks join the UNESCO Imbabura Global Geopark.
The country now has three UNESCO Global Geoparks, making it the country with the largest number of geoparks in South America relative to its land area.
Source: https://www.unesco.org/en/articles/ecuador-adds-two-new-unesco-global-geoparks
The Notification for the Civil Services Examination, 2021 was released by the Commission on March 04, 2021. The notification contains all the details related to the examination dates, number of vacancies, eligibility criteria, syllabus, application process, fee, exam centers etc. The exam is being conducted to fill in 712 vacancies as listed in the notification with 22 vacancies reserved for Persons with Benchmark Disability. The Preliminary examination will be held on October 10 2021. Candidates can visit the Commission’s website to fill the application form. Detailed instructions for filling up online applications have been provided on the website. The application window was closed on March 24 2021. The admit cards for the Preliminary Examination were made available from September 16 2021. The admit cards can be downloaded from the Commission’s website on the above mentioned link.