CSIR ASO Mock Test 2026
How to practice for CSIR ASO?
What is the CSIR ASO Exam Pattern?
Computer Based Test
written • Weightage: 150
General Intelligence / Reasoning
Questions
30
Duration
25 Min
Marks
30
Negative
-0.25
Quantitative Aptitude
Questions
25
Duration
20 Min
Marks
25
Negative
-0.25
English Language
Questions
25
Duration
20 Min
Marks
25
Negative
-0.25
General Awareness
Questions
20
Duration
15 Min
Marks
20
Negative
-0.25
Important Guideline
Total Duration is 120 Minutes with 150 Questions.* Negative marking rules are strictly applicable. Avoid guessing.
Practice CSIR ASO Topics by Round
Section-wise topic practice links mapped to the actual stages and rounds of CSIR ASO. This keeps revision aligned with the latest exam pattern and makes it easier to jump directly into the high-weight sections aspirants usually search for.
Computer Based Test · General Intelligence / Reasoning
Reasoning
Computer Based Test · Quantitative Aptitude
Quantitative Aptitude
Computer Based Test · English Language
English
Computer Based Test · General Awareness
General Awareness
Section-wise mini mocks
Practice Quant, Reasoning, English and other exam sections with 30 questions in 30 minutes.
CSIR ASO Syllabus & Exam Pattern 2026
What is the CSIR ASO syllabus for 2026?
The CSIR ASO syllabus covers 3 subjects: General Awareness (History of India & Indian National Movement, Constitution of India & Polity, Current Events of National and International Importance), English Language & Comprehension (Comprehension, Active-Passive Voice, Direct-Indirect Speech, Prepositions, Fill in the blanks, Synonyms-Antonyms), General Intelligence, Reasoning and Mental Ability (Paper II: Arithmetical and Numerical Ability, General Science, Economic & Social Development, Ethics & Integrity). The exam has 150 questions across 2 sections in 120 minutes, with negative marking.
CSIR ASO Exam Pattern 2026
| Section | Questions | Duration | Negative Marking |
|---|---|---|---|
| General Awareness | 100 | 80 min | −0.33 per wrong |
| English Language & Comprehension | 50 | 40 min | −0.33 per wrong |
| Total | 150 | 120 min |
Marking scheme: +1 correct · -0.33 wrong · 0 unanswered. Last updated: 2026-06-01.
Subjects in the CSIR ASO Syllabus
- General Awareness (History of India & Indian National Movement, Constitution of India & Polity, Current Events of National and International Importance)
- English Language & Comprehension (Comprehension, Active-Passive Voice, Direct-Indirect Speech, Prepositions, Fill in the blanks, Synonyms-Antonyms)
- General Intelligence, Reasoning and Mental Ability (Paper II: Arithmetical and Numerical Ability, General Science, Economic & Social Development, Ethics & Integrity)
Drill individual topics with free topic-wise practice tests before attempting full-length papers.
Is there negative marking in CSIR ASO?
Yes. CSIR ASO deducts marks for wrong answers in every section (0.33 mark per wrong answer). Unanswered questions carry no penalty, so skip questions you cannot eliminate options for.
Frequently Asked Questions — CSIR ASO
The CSIR ASO exam features a total of 100 questions with an overall duration of 60 minutes. The test is divided into the following section(s): General Test (100 questions).
Yes, negative marking is applicable in the CSIR ASO exam. For each incorrect answer, a penalty of 1/4th (0.25) of the marks assigned to that question will be deducted.
The syllabus for the CSIR ASO exam covers the following main subjects and topics: General Awareness, Aptitude, Reasoning.
The CSIR ASO exam has a medium difficulty level. It is targeted at CSIR ASO aspirants.
You can prepare for CSIR ASO on YourMockTest. Our platform offers full-length mock tests modeled exactly on the official exam pattern, featuring realistic timers, section switching, instant grading, and in-depth topic-wise analytics.
