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Tamil Nadu 11th Biology Answer Key 2025 (17 March): Download PDF (All Sets)

Tamil Nadu 11th Biology Answer Key 2025 (17 March): Download PDF (All Sets)

Edited By Manasvini Gupta | Updated on Mar 17, 2025 02:24 PM IST | #TN HSE 1st Year
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TN HSE 1st Year  Exam Date : 20 Mar' 2025 - 20 Mar' 2025

On March 17, 2025, the Directorate of Government Examinations, Tamil Nadu conducted the Class 11th Biology examination. The TN 11th Biology exam was held from 10 am to 1:15 pm. Students who are desirous of assessing their performance in the exam can download the TN 11th answer key of Biology.

After the completion of the exam, several online educational platforms and coaching institutes release unofficial TN 11th Bio exam key. The Tamil Nadu Class 11 Biology exam answer key is useful to assess probable scores before the final TN 11th results 2025 are declared in May 2025.

Tamil Nadu Class 11 Biology Answer Key 2025

The Tamil Nadu 11th Biology exam answer key 2025 mentions solutions to the questions asked in the TN 11th Biology question paper 2025. The DGE, Tamil Nadu will not officially release the answer key. However, various online educational portals and coaching institutes will provide unofficial answer keys. We have provided the direct link to the same in the table below:

This Story also Contains
  1. Tamil Nadu Class 11 Biology Answer Key 2025
  2. How to Calculate Marks Using the Tamil Nadu Class 11 Biology Exam Pattern 2025?
  3. Passing Marks in TN 11th Biology Exam 2025
Tamil Nadu 11th Biology Answer Key 2025 (17 March): Download PDF (All Sets)
Tamil Nadu 11th Biology Answer Key 2025 (17 March): Download PDF (All Sets)

Download TN 11th Biology Exam Answer Key 2025

Particulars

Download Link

Tamil Nadu Class 11 Bio Answer Key Link

Available Here

How to Calculate Marks Using the Tamil Nadu Class 11 Biology Exam Pattern 2025?

In the following table, we have provided TN 12th Biology subject exam pattern 2025. The Class 11 exam pattern is similar to the Class 12 one. Students can use the marks allocation scheme to assess their probable scores using the Tamil Nadu 11th Biology answer key.

SectionsMarks for Each QuestionTotal QuestionsQuestions to be AnsweredTotal Marks

Section A Objective

1

30

30

30

Section B Very Short

3

20

15

45

Section C Short

5

12

7

35

Section D Long

10

8

4

40

Total


70

56

150

Passing Marks in TN 11th Biology Exam 2025

In the following table, students can check the passing score in the Biology exam for Class 11 Tamil Nadu board:

SubjectTheory MarksTheory Pass MarksPractical/Internal Assessment MarksTotal MarksPass Marks

Biology

70

15

30

100

35

Also, Check:

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Frequently Asked Questions (FAQs)

1. Will the Tamil Nadu board release the official TN 11th Bio exam key?

No, the Tamil Nadu board does not publish an official answer key. Students can download unofficial answer keys from various credible educational platforms available online.

2. Can we depend upon the accuracy of the unofficial answer key?

Yes, the unofficial answer keys are mostly reliable. However, students must wait for the TN Board results 11th Class to determine their actual scores.

3. How many marks are required in Tamil Nadu Biology paper to clear it?

Students need 35 marks out of 100 to be declared pass in the Biology exam. They also need to score minimum passing marks in practicals separately. Check the table given in the article above to know the segregation of the passing criteria.

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