Most Important Chapters in Biology for NEET 2019

Class XI

Chapters

Average Number of Questions per paper
(Prev. 8 Papers)

Weightage %

Diversity in the Living World

12

13.33%

• The Living World

2.25

2.50

• Biological Classifications

3.75

4.17

• Plant Kingdom

3.125

3.47

• Animal Kingdom

2.875

3.19

Structural Organization in Plants and Animals

7.12

7.92%

• Morphology of Flowering Plants

3.5

3.89

• Anatomy of Flowering Plants

2.25

2.50

• Structural Organization in Animals

1.375

1.53

Cell: Structure and Functions

8.5

8.5%

• Cell: The Unit of Life

3.375

3.75

• Biomolecules

2.75

3.06

• Cell Cycle and Cell Division

2.375

2.64

Plant Physiology

7

7.9%

• Transport in Plants

1.25

1.39

• Mineral Nutrition

1.25

1.39

• Photosynthesis in Higher Plants

1.75

1.94

• Respiration in Plants

1.25

1.39

• Plant Growth and Development

1.5

1.67

Human Physiology

14.5

16.11%

• Digestion and Absorption

2.375

2.64

• Breathing and Exchange of Gases

2.375

2.64

• Body Fluids and Circulation

2

2.22

• Excretory Products and Their Elimination

1.375

1.53

• Locomotion and Movement

1.875

2.08

• Neural Control and Coordination

2.5

2.78

• Chemical Coordination and Integration

2

2.22

Class XII

Reproduction

9.125

10.13%

• Reproduction in Organisms

0.75

0.83

• Sexual Reproduction in Flowering Plants

3.5

3.89

• Human Reproduction

3.125

3.47

• Reproductive Health

1.75

1.94

Genetics and Evolution

11.37

12.63%

• Principles of Inheritance and Variation

5.125

5.69

• Molecular Basis of Inheritance

3.25

3.61

• Evolution

3

3.33