Tamilnadu 12th Exam Pattern 2025: Subject-Wise Marking Scheme and Duration

Sections

No. of Questions

No. of Questions to Attempt

Total Marks

A - Objective

40

40

40

B - Very Short

16

10

60

C - Long

16

10

100

Total

72

60

200

Sections

Objectives

Marks

A

Supplementary Reader

25

B

Learning Competency

15

C

Occupational Competency

15

D

Strategic Competency

5

E

Creative Competency

10

F

Extensive Reading

10

Total

100

Sections

No. of Questions

No. of Questions to Attempt

Marks for Each Question

Total Marks

A - Objective

30

30

1

30

B - Very Short

20

15

3

45

C - Short

12

7

5

35

D - Long

8

4

10

40

Total

70

56

-

150

Sections

No. of Questions

No. of Questions to Attempt

Marks Allotted for Each Question

Total Marks

A - Objective

45

45

1

45

B - Very Short

20

15

3

45

C - Short

12

10

5

60

D - Long

7

5

10

50

Questions on Map

1

1

-

-

Total

85

76

-

200

Sections

Number of Questions

Questions to be Answered

Pattern

A

30

30

• All the questions are compulsory

• Each question is for 1 mark.

• Out of the total, 15 Questions are ‘ fill in the Blanks’ and the remaining 15 Questions are ‘ choose the correct answer’.

• There will be 6 application-oriented questions, 3 choose & 3 fillup questions.

B

14

10

• Each question is for 5 marks.

• Out of the total, 7 questions will be theory-based and 7 will be problem-based.

C

8+1

5

• Each question is for 12 marks.

• Out of the total, 3 questions will be theory-based and 2 will be problem-based.

• There will be an internal choice for compulsory questions.

D

5+1

3

• Each question is for 20 marks.

• All questions will be problem-based.

• There will be an internal choice for compulsory questions.

Parts

Number of Questions

Marks Allotted

Pattern

I

30

30

All the questions are compulsory

10-Inorganic, 10-Physical and 10- Organic Portions.

II

15

45

Any 15 questions must be answered out of 21 questions: Question number 31 -37 (7) from Inorganic

Question number 38 – 44 (7) from Physical

Question number 45 – 51 (7) from Organic

III

7

35

Any 7 questions must be answered, choosing any two from all 3 sections:

Section – A – Inorganic 4 questions 52-55 (one problem)

Section – B – Physical 4 questions 56-59 (one problem)

Section – C – Organic 4 questions 60-63 (one mechanism)

IV

4

40

One question will be compulsory for Either OR and out of the remaining, 3 questions must be answered

(a) Organic Problem – 5 marks

(b) Inorganic Problem – 5 marks

OR

(c) Organic Problem – 5 marks

(d) Physical Problem – 5 marks

Question number 64 and 65 – Inorganic

Question number 66 and 67 – Physical

Question number 68 and 69 – Organic

Sections

Marks for Each Question

Total Questions

Questions to be Answered

Total 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

Marks

Grade

100-91

A1

90-81

A2

80-71

B1

70-61

B2

60-51

C1

50-41

C2

40-35

D