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Sign-up and Register for the USA Biology Olympiad (USABO) Exam!!

Dear Biology Enthusiasts,


If you are passionate about Biology and would love to compete nationally and internationally in a Biology competition, sign up for the USA Biology Olympiad (USABO) Open Exam!! 


All interested students in grades 9 to 12 are eligible to participate in the USABO.


  • Sign-up in Mrs. Basu's Room (2109) with a $5 fee (donation)



Student Registration Deadline: January 18th, 2019.


The USABO Open Exam will consist of 50 multiple choice questions in 50 minutes and will be administered tentatively on Monday, February 11, 2019 (3:15-4:15 pm)


Feel free to join us for Exam prep sessions during Biology Club meetings every Thursday during Lunch in Room 2109.


The USA Biology Olympiad (USABO) has 4 tiers of Exams:

Tier 1: Open Exam (Feb 5-15 at DVHS)

Tier 2: Semifinal Exam (March 18-22 at DVHS)

Tier 3: Final/National Exam (June 22-July 6 at UC San Diego)

Tier 4: International Biology Exam (July 14-21 in Hungary)


Top 10% qualifies to the semifinal round (about 500-600 people)
Top 20 people of semifinal round invited to the USABO training boot camp at UC San Diego over the summer.
​Top 4 people from the final round represent USA and is represented as IBO (International Biology Olympiad) Finalist!


Each of the seven topics will be covered in the four exams: Open, Semifinal, Nationals, and IBO:

  • Animal anatomy and physiology: 25%

  • Cell Biology: 20%

  • Genetics and Evolution: 20%

  • Plant anatomy and physiology: 15%

  • Ecology: 10%

  • Ethology: 5%

  • Biosystematics: 5%

Main Study Resource is the Campbell Biology Textbook edition 8 or later.


Here are the digital PDFs of the Campbell Biology Edition 9 Textbook: Campbell Biology Textbook



Mrs. Basu and the Biology Club Officers

Srisai Nachuri (President)

Alvin Zhang (Vice President)

Ryan Liu (Secretary)

Risha Chakraborty (Treasurer)

Posted by: Minu Basu Published:1/7/19
Audience: Teacher Aide Site, DVHS Biology Club, Minu Basu, Biology Period 1, Teachers, Students, Science Alliance, Parents, USABO, AP Biology Period 6, Biology Site, AP Biology Period 3, AP Biology Period 5, Grade 08, Grade 09, Grade 10, Grade 11, Grade 12, All Grades, Access Site, Staff, Principals, AP Biology Site, Assistant Principals, AP Biology Period 4, Sys Admins, Associates, Afterschool Professionals, Homepage and WiSTEM

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