Exam Overview

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The OSAT Biological Sciences (110) test is one of the Oklahoma Subject Area Tests (OSAT) in the Certification Examinations for Oklahoma Educators (CEOE) program. Candidates who want to be certified to teach biological sciences in Oklahoma take it to show the subject knowledge expected of a beginning secondary biology teacher. The test is administered by the Evaluation Systems group of Pearson through the official CEOE website.

Selected-response questions

Constructed-response assignment

240

Passing score

$118

Test fee

Test at a glance
Feature	Details
Test name and field	Biological Sciences, Field 110 (OSAT)
Format	Computer-based test (CBT) at a test center, or online proctored test from home
Questions	80 selected-response (multiple-choice, four answer choices) and 1 constructed-response assignment
CBT time	4 hours of testing; 4 hours 15 minutes total appointment, including a 15-minute tutorial and nondisclosure agreement
Online proctored time	3 hours of testing; 3 hours 15 minutes total appointment
Breaks	CBT: restroom breaks allowed, but the clock keeps running. Online proctored: no breaks
Reference materials	None provided (no calculator, no periodic table)
Passing score	240 on the CEOE scaled-score system
Scheduling	CBT by appointment year-round, Monday–Saturday, in Oklahoma and nationwide; online proctoring in monthly one-week windows
Fee	$118

The test may include some unscored questions that are being tried out for future use. You will not know which ones they are, so answer every question as if it counts. Fees, timing, and policies can change, so confirm the current details on the official CEOE website before you register.

The Four Subareas

Approximate share of the total score

Structures and Processes of Cells and Organisms — 33%Competencies 0001–0004

Ecosystem Energy Flow, Interactions, and Dynamics — 26%Competencies 0005–0007

Heredity and Evolution — 26%Competencies 0008–0010

Constructed-Response Assignment — 15%Competency 0011

Official competencies
Subarea	Competency	What it covers
I	0001	Characteristics and biochemistry of the atoms and molecules necessary for life
I	0002	Characteristics of cells and their structures and processes
I	0003	Photosynthesis, cellular respiration, and the flow of energy and matter in cells
I	0004	Organismal maintenance, growth, and reproduction
II	0005	Characteristics of biomes, ecosystems, and their inhabitants
II	0006	The flow of matter and energy in organisms and ecosystems
II	0007	The impact of human activities on the environment and society
III	0008	The molecular basis of inheritance
III	0009	The inheritance and variation of traits
III	0010	Natural selection, adaptation, and the diversity of life
IV	0011	Analyze a lesson plan and student work sample for a science learning standard and describe differentiated strategies

How This Guide Maps to the Test

Where to study each competency
Guide section	Competencies
Section 1 · Structures and Processes of Cells and Organisms	0001, 0002, 0003, 0004
Section 2 · Ecosystem Energy Flow, Interactions, and Dynamics	0005, 0006, 0007
Section 3 · Heredity and Evolution	0008, 0009, 0010
Section 4 · Constructed-Response Assignment	0011

Registering and Test Day

Create an account

Schedule

Book a CBT appointment at a test center, or an online proctored appointment inside a monthly testing window.

Prepare your setup

For online proctoring, run the system check in advance and plan to stay at your desk: no breaks are allowed.

Test day

Bring the identification the CEOE program requires. Use the 15-minute tutorial to learn the screen layout and the response box for the written assignment.

Scores

Check the official score-reporting schedule for your test date; CBT candidates receive a receipt of completion at the end of the appointment.

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