Chapter wise weightage for HSC Biology

Biology is important for a science student of Class 12 Maharashtra Board because it helps us to understand the study of life and tells us about the natural world. The syllabus of Class 12 Biology includes topics like microbes in human, welfare, reproduction, etc.

The chapter wise weightage for HSC Biology Maharashtra Board helps the students to know on which topic to concentrate more. This helps them to score good marks in their HSC exam. The understanding of Maharashtra State Board 12th Biology syllabus is must, so that the students can make a preparation plan to clear the Class 12 Board exam with good grades.

Biology is an interesting subject which is all about life, its composition, development and about nature, environment, experiments, inventions and lot more.

Chapter wise Weightage for HSC Biology

Types of Question Marks Marks with option Percentage
Objective 14 14 20
Short Answers 42 56 60
Brief Answers 14 28 20
Total 70 98 100

Distribution of Marks According to Units

Sl No Unit Marks without option Marks with option
1 Genetic Basis of Inheritance 08 12
2 Gene: It’s Nature, Expression and Regulation 08 12
3 Biotechnology: Process and Application 07 09
4 Enhancement in Food Production 07 09
5 Microbes in Human Welfare 03 05
6 Photosynthesis 07 09
7 Respiration 07 09
8 Reproduction in Plants 07 09
9 Organisms and Environment – I 07 05
10 Origin and Evolution of Life 07 09
11 Chromosomal Basis of Inheritance 07 09
12 Genetic Engineering and Genomics 03 05
13 Human Health and Diseases 05 07
14 Animal Husbandry 05 07
15 Circulation 10 14
16 Excretion and Osmoregulation 10 14
17 Control and Co-ordination 10 14
18 Human Reproduction 07 09
19 Organisms and

Environment – II

03 05

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Practise This Question

In humans, females have ___ sex chromosomes and males have ___ sex chromosomes.

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