Answer key for Biology subject, code 0421, high school graduation exam 2025

Suggested answers for Biology subject, code 0421, high school graduation exam 2025 help candidates compare, evaluate test results and predict scores before official results are available.

This morning, June 27, candidates began taking the elective exam. The elective exam consists of 2 subjects, each subject has a duration of 50 minutes.

For Biology, the exam consists of 3 parts with a total of 28 questions. Specifically:

Criteria	Structure of high school graduation exam in Biology in 2025
Exam time	50 minutes
Number of questions	28 sentences include: + Part 1: 18 multiple choice questions with 04 options, choose 01 correct answer; + Part 2: 04 questions in multiple choice format True/False. Each question has 04 options, for each option the candidate chooses true or false; + Part 3: 06 short answer questions.
How to calculate points	Part 1: Each correct answer is worth 0.25 points Part 2: + Only choose 01 correct answer in 01 question to get 0.1 point; + Only choose 02 correct answers in 01 question to get 0.25 points; + Only choose 03 correct answers in 01 question to get 0.5 points; + Correct all 4 ideas in 1 question gets 1 point. Part 3: Each correct answer is worth 0.25 points.

Suggested answers for Biology subject, code 0421, high school graduation exam 2025

Part I: Multiple choice test
1.	2.	3.	4.	5.	6.	7.	8.	9.	10.
11.	12.	13.	14.	15.	16.	17.	18.
Part II: True or False Test
Sentence		1	2	3	4
Answer
Part III: Short answer test
Sentence		1	2	3	4	5	6
Answer

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