100+ Free BLNST Practice Questions
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Key Facts: BLNST Exam
20 questions
Degree / Professional Grades BLNST has 20 multiple-choice questions
Civil Service Bureau - BLNST in Civil Service Recruitment
30 minutes
Time limit for the Degree / Professional Grades BLNST
Civil Service Bureau - BLNST in Civil Service Recruitment
10 of 20
Minimum correct answers required to pass the test
Civil Service Bureau - BLNST in Civil Service Recruitment
160 articles
The Basic Law has 9 chapters and 160 articles plus three annexes
Basic Law Portal - Some Facts about the Basic Law
66 articles
The 2020 National Security Law has 6 chapters and 66 articles
Law of the PRC on Safeguarding National Security in the HKSAR
4 offences
NSL offences: secession, subversion, terrorist activities, collusion with foreign forces
Law of the PRC on Safeguarding National Security in the HKSAR
Permanent validity
A BLNST pass is permanently valid and accepted for all civil service jobs
Civil Service Bureau - BLNST in Civil Service Recruitment
Digitalised May 2025
CSB launched a year-round digitalised BLNST in May 2025
CSB press release, 19 May 2025
The Basic Law and National Security Law Test (BLNST) is a pass/fail Hong Kong civil service recruitment test on the Basic Law and the National Security Law. For Degree / Professional Grades it has 20 bilingual multiple-choice questions, lasts 30 minutes, and requires at least 10 correct answers to pass. A pass is an entry requirement for all civil service jobs and is permanently valid, so candidates who pass never sit it again. The scope is the text of the Basic Law (with its annexes, instruments, attachments and appendices) and the National Security Law. Since May 2025 a digitalised year-round version is offered with identical format, duration and content. This 100-question bank gives original practice on both laws.
Sample BLNST Practice Questions
Try these sample questions to test your BLNST exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1On what date did the Basic Law of the Hong Kong Special Administrative Region come into effect?
2How many chapters and articles does the Basic Law contain?
3Under the principle of 'one country, two systems', what does the Basic Law say about the previous capitalist system in Hong Kong?
4According to Article 1 of the Basic Law, the Hong Kong Special Administrative Region is:
5Which body is the highest organ of state power of the People's Republic of China that adopted the Basic Law?
6Article 2 of the Basic Law authorises the HKSAR to exercise a high degree of autonomy and to enjoy which powers?
7Who is responsible for the defence of the Hong Kong Special Administrative Region?
8Under the Basic Law, who is responsible for foreign affairs relating to the HKSAR?
9What are the official languages of the HKSAR according to the Basic Law?
10According to the Basic Law, where does the power of interpretation of the Basic Law ultimately vest?
About the BLNST Exam
The Basic Law and National Security Law Test (BLNST) is a Hong Kong civil service recruitment test that assesses candidates' knowledge of the Basic Law of the HKSAR and the National Security Law. A pass in the BLNST is an entry requirement for appointment to all civil service jobs. For Degree / Professional Grades the test has 20 bilingual multiple-choice questions in English and Chinese, lasts 30 minutes, and requires at least 10 correct answers to pass; the result is permanently valid. The scope covers the text of the Basic Law, including all its annexes, instruments, attachments and appendices, and the text of the National Security Law. Since May 2025 the CSB has offered a year-round digitalised BLNST whose format, duration and content are identical to the paper-based test.
Assessment
Degree / Professional Grades: 20 multiple-choice questions covering both the Basic Law (including its annexes, instruments, attachments and appendices) and the National Security Law. The test is bilingual in English and Chinese.
Time Limit
30 minutes for the Degree / Professional Grades version (the Non-Degree / Secondary level version is 35 minutes).
Passing Score
At least 10 correct out of 20 questions for the Degree / Professional Grades test. A pass is permanently valid and accepted for all civil service jobs.
Exam Fee
There is no separate fee; the BLNST is taken free of charge as part of the civil service recruitment process. (Civil Service Bureau (CSB), Government of the Hong Kong Special Administrative Region)
BLNST Exam Content Outline
Basic Law: Constitutional Framework
The Basic Law has 9 chapters and 160 articles plus three annexes. This area covers 'one country, two systems', the HKSAR as an inalienable part of China, the high degree of autonomy, the relationship between the Central Authorities and the Region, the maintenance of the previous capitalist system for 50 years, and the status of the Basic Law and Chinese sovereignty.
Basic Law: Rights, Duties, Economy and Culture
Chapter III fundamental rights and duties of HKSAR residents (equality, freedoms of speech, assembly, religion and the person; the Bill of Rights and ICCPR/ICESCR continuity), together with the economic, financial, monetary, education, science, culture and external affairs provisions in later chapters.
Basic Law: Political Structure and Annexes
The Chief Executive, Executive Council, Legislative Council and the Judiciary, the legislative and accountability relationships between them, the Court of Final Appeal and interpretation by the NPC Standing Committee, plus Annex I (selection of the Chief Executive), Annex II (formation of the Legislative Council) and Annex III (national laws applied in the HKSAR).
The National Security Law
The 2020 National Security Law has 6 chapters and 66 articles. This area covers its purposes and principles (respect for human rights and the rule of law), the four offences of secession, subversion, terrorist activities and collusion with a foreign country or external elements, the institutions safeguarding national security, and jurisdiction, procedure and the relationship with Basic Law Article 23.
How to Pass the BLNST Exam
What You Need to Know
- Passing score: At least 10 correct out of 20 questions for the Degree / Professional Grades test. A pass is permanently valid and accepted for all civil service jobs.
- Assessment: Degree / Professional Grades: 20 multiple-choice questions covering both the Basic Law (including its annexes, instruments, attachments and appendices) and the National Security Law. The test is bilingual in English and Chinese.
- Time limit: 30 minutes for the Degree / Professional Grades version (the Non-Degree / Secondary level version is 35 minutes).
- Exam fee: There is no separate fee; the BLNST is taken free of charge as part of the civil service recruitment process.
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
BLNST Study Tips from Top Performers
Frequently Asked Questions
How many questions are on the BLNST and how long is it?
For Degree / Professional Grades the BLNST has 20 multiple-choice questions and lasts 30 minutes. It is bilingual, presented in both English and Chinese. The Non-Degree / Secondary level version also has 20 questions but lasts 35 minutes.
What score do I need to pass the BLNST?
Candidates for Degree / Professional Grades must answer at least 10 of the 20 questions correctly. A pass result is of permanent validity and is accepted for all civil service jobs, so you do not need to sit it again once you pass.
What does the BLNST cover?
The BLNST assesses knowledge of both the Basic Law and the National Security Law. The scope is the text of the Basic Law, including all its annexes, instruments, attachments and appendices, and the text of the National Security Law.
Is a pass in the BLNST required for civil service jobs?
Yes. Attaining a pass result in the BLNST is an entry requirement for appointment to all civil service jobs in Hong Kong. The test is administered by the Civil Service Bureau as part of the recruitment process.
What is the digitalised BLNST launched in 2025?
In May 2025 the Civil Service Bureau launched a digitalised BLNST offering a year-round computer-based examination service. Its format, duration and content are identical to the paper-based test.
Are these official CSB test questions?
No. These are original OpenExamPrep practice questions modelled on the Basic Law and National Security Law. The Civil Service Bureau provides its own official sample questions separately on its website.