
Practise the IIT JAM Biotechnology (BT) paper before exam day with a free, full-length mock test on the real pattern: 60 questions across MCQ, MSQ and numerical-answer sections, 100 marks and 3 hours.
60questions in three sections
100marks, as in the real paper
180minutes
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Start the free IIT JAM BT mock test
What is in the test
| Section | Questions | Marks | Wrong answer |
|---|---|---|---|
| A: Multiple choice (one correct option), Q1–Q10 | 10 | 1 each | −1/3 |
| A: Multiple choice (one correct option), Q11–Q30 | 20 | 2 each | −2/3 |
| B: Multiple select (one or more correct options) | 10 | 2 each | No negative marking |
| C: Numerical answer, Q1–Q10 | 10 | 1 each | No negative marking |
| C: Numerical answer, Q11–Q20 | 10 | 2 each | No negative marking |
| Total | 60 | 100 |
Where the 100 marks come from
Marks per section, and where negative marking applies
MCQ · 50MSQ · 20NAT · 30
Section A, MCQ: 50 marks, negative markingSection B, MSQ: 20 marks, noneSection C, NAT: 30 marks, none
Attempt every MSQ and NATOnly Section A has negative marking. Sections B and C carry 50 marks between them with no penalty for a wrong answer, so never leave them blank.
MSQs are all or nothingYou get the marks for a multiple select question only when you pick every correct option and no incorrect one. There is no partial credit.
- Numerical answers: type the value directly; there are no options to choose from.
How to take it
- Open the testGo to the free IIT JAM BT full-length test.
- Log in or sign up freeYour answers and score are then saved to your account.
- Work through all three sectionsAnswer the MCQ, MSQ and numerical-answer sections.
- Submit and reviewYour score appears straight away.
Which biology topics to revise first
IIT JAM BT: share of biology-section questions by topic
168 questions classified from the 2022 to 2025 papers. The four darker bars carry about 57% of the section.
Source: Lesson Basket’s IIT JAM Biotechnology weightage analysis.
Before you start
Exam guideIIT JAM Biotechnology 2027 guideKey dates, eligibility, the marking scheme and the official six-section syllabus.Read the guide →AnalysisBiology-section weightageThe full 4-paper breakdown behind the chart above.See the data →Free notesRecombinant DNA technology notesFive free lessons for the biotechniques part of the syllabus.Start revising →
You can also practise on the go with the Lesson Basket Android app.

