2nd PUC Biology Blueprint 2027 — Chapter Wise Marks Weightage & Question Pattern
Subject Code 36 · Science Stream

2nd PUC Biology Blueprint 2027

Chapter-wise marks distribution, official question paper format, and scoring strategy for the March 2027 KSEAB examination.

Curriculum Status: 2026-27 Academic Curriculum Baseline

Based on official KSEAB rationalized syllabus and 4-part pattern (MCQs, Fill-in-Blanks, 2M, 3M, 5M). Official model papers will update dynamically upon KSEAB circular publication.

KSEAB Portal →
70MTheory Paper
30MPractical / Internal
3.25 hrsExam Duration
95MTotal Marks with Choice

KSEAB Question Paper Structure

Part A (15 MCQs + 5 FIBs = 20M), Part B (5×2M = 10M), Part C (5×3M = 15M), Part D Section I (3×5M Botany = 15M) & Section II (2×5M Zoology = 10M).

Question-Type Distribution Blueprint

KSEAB Typology
Chapter Title1M MCQ1M FIB2M SA3M SA5M LATotal
Sexual Reproduction in Flowering Plants201019M
Human Reproduction111018M
Reproductive Health1011-5M
Principles of Inheritance and Variation2110110M
Molecular Basis of Inheritance2110110M
Evolution1011-7M
Human Health and Disease111119M
Microbes in Human Welfare1011-6M
Biotechnology: Principles and Processes110117M
Biotechnology and its Applications1011-6M
Organisms and Populations1011-6M
Ecosystem1011-6M
Biodiversity and Conservation1011-6M

Chapter-wise Marks Distribution (2026-27 Syllabus)

13 Chapters Total
#Chapter / Unit TitleWeightagePriority
1Sexual Reproduction in Flowering Plants9 MarksHigh
2Human Reproduction8 MarksHigh
3Reproductive Health5 MarksModerate
4Principles of Inheritance and Variation10 MarksCritical
5Molecular Basis of Inheritance10 MarksCritical
6Evolution7 MarksModerate
7Human Health and Disease9 MarksHigh
8Microbes in Human Welfare6 MarksModerate
9Biotechnology: Principles and Processes7 MarksHigh
10Biotechnology and its Applications6 MarksModerate
11Organisms and Populations6 MarksModerate
12Ecosystem6 MarksModerate
13Biodiversity and Conservation6 MarksModerate
Interactive Decision Simulator

KCET 50:50 Board + CET Target Calculator

Simulate how your Class 12 / 2nd PUC theory marks combine with your KCET score to decide your final Karnataka Engineering rank.

1 Class 12 / 2nd PUC Theory Marks

PCM Theory Only
Board PCM Normalized: 92.7%Board Weightage (50%): 46.34 / 50

2 Target KCET 2027 Score

Total / 180 Marks
KCET Score: 137 / 180 (76.1%)KCET Weightage (50%): 38.06 / 50
Combined Merit Result
84.39/ 100 Index
Estimated Admission Bracket

3,500 – 7,500 (Tier-1 ECE / Tier-2 CSE)

Based on historical KEA normalized rank bands.

1 Board Theory Mark = +0.60 KCET marks equivalent
10 Extra Board Marks moves rank up by ~2,000–3,500 slots