IAT-IISER

Biology Analysis

Comprehensive breakdown of 28 chapters with 75 previous year questions. Explore priority-sorted content and weightage analytics.

28
Chapters
75
Total Questions
PYQ
Years Covered

Chapters

Sorted by Questions
low Yield

Principles Of Inheritance And Variation

High-Yield Trend

2
2025
1
2024
2
2023
4
2022
1
2020
Topics 1
Questions 10
low Yield

Biotechnology: Principles And Processes

High-Yield Trend

1
2025
2
2024
1
2023
1
2022
Topics 1
Questions 5
low Yield

Human Health And Diseases

High-Yield Trend

2
2024
1
2023
1
2022
1
2020
Topics 1
Questions 5
low Yield

Molecular Basis Of Inheritance

High-Yield Trend

2
2025
1
2024
1
2023
1
2020
Topics 1
Questions 5
low Yield

Animal Kingdom

High-Yield Trend

1
2025
1
2024
1
2022
1
2020
Topics 1
Questions 4
low Yield

Cell Cycle And Cell Division

High-Yield Trend

1
2024
1
2023
1
2022
1
2020
Topics 1
Questions 4
low Yield

Biomolecules

High-Yield Trend

1
2025
2
2023
Topics 1
Questions 3
low Yield

Cell The Unit Of Life

High-Yield Trend

1
2025
1
2024
1
2022
Topics 1
Questions 3
low Yield

Ecosystem

High-Yield Trend

1
2025
1
2022
1
2020
Topics 1
Questions 3
low Yield

Locomotion And Movement

High-Yield Trend

1
2025
1
2024
1
2020
Topics 1
Questions 3
low Yield

Photosynthesis In Higher Plants

High-Yield Trend

1
2025
1
2024
1
2020
Topics 1
Questions 3
low Yield

Respiration In Plants

High-Yield Trend

1
2025
2
2022
Topics 1
Questions 3
low Yield

Sexual Reproduction In Flowering Plants

High-Yield Trend

1
2025
1
2024
1
2023
Topics 1
Questions 3
low Yield

Anatomy Of Flowering Plants

High-Yield Trend

1
2024
1
2023
Topics 1
Questions 2
low Yield

Breathing And Exchange Of Gases

High-Yield Trend

1
2025
1
2024
Topics 1
Questions 2
low Yield

Digestion And Absorption

High-Yield Trend

1
2023
1
2020
Topics 1
Questions 2
low Yield

Excretory Products And Their Elimination

High-Yield Trend

1
2025
1
2020
Topics 1
Questions 2
low Yield

Mineral Nutrition

High-Yield Trend

1
2023
1
2020
Topics 1
Questions 2
low Yield

Organisms And Populations

High-Yield Trend

1
2024
1
2020
Topics 1
Questions 2
low Yield

Biodiversity And Conservation

High-Yield Trend

1
2023
Topics 1
Questions 1
low Yield

Body Fluids And Its Circulation

High-Yield Trend

1
2022
Topics 1
Questions 1
low Yield

Chemical Coordination And Integration

High-Yield Trend

1
2022
Topics 1
Questions 1
low Yield

Human Reproduction

High-Yield Trend

1
2023
Topics 1
Questions 1
low Yield

Microbes In Human Welfare

High-Yield Trend

1
2020
Topics 1
Questions 1
low Yield

Morphology Of Flowering Plants

High-Yield Trend

1
2020
Topics 1
Questions 1
low Yield

Neural Control And Coordination

High-Yield Trend

1
2022
Topics 1
Questions 1
low Yield

Reproduction In Organisms

High-Yield Trend

1
2020
Topics 1
Questions 1
low Yield

Structural Organisation In Animals

High-Yield Trend

1
2023
Topics 1
Questions 1