Important Topics for CUET Biology 2026

Important Topics for CUET Biology 2026 is an important aspect of exam preparation because it helps in time management. We have compiled a list of important topics for CUET Biology 2026, including Ecosystems, Human Reproduction, Biodiversity, Molecular Basis of Inheritance, Organisms and environment, Environmental issues, Evolution, Reproduction, Biotechnology, etc. If you are preparing for the CUET 2026 Biology domain paper then you must study the following important topics. CUET 2026 Biology exam is quite lengthy, so knowing the important topics is advantageous. One who are familiar with important CUET Biology 2026 topics will perform well on the exam, resulting in a perfect score. This article will introduce you to the most important CUET 2026 Biology topics which will help you get the best CUET results 2026.
Read on to know more about Important Topics for CUET Biology 2026!

What is the Syllabus For Biology 2026?

Here is the list of the units in the CUET 2026 Biology syllabus:

Important Topics for CUET Biology 2026

The CUET Biology important topics 2026 are mentioned below.

Unit I: Reproduction

• Reproduction: Reproduction in organisms, species survival, Asexual and sexual reproduction, asexual reproduction, Binary fission, fragmentation.
• Reproduction sexual in blooming plants: Development of male and female gametophytes, Flower structure Pollination, Special reproduction modes, parthenocarpy, and polyembryony, Significance of seed and fruit formation.
• Reproduction in humans: Male and female reproductive systems, Menstrual cycle, Fertilization, Pregnancy and placenta development.
• Reproductive health: Necessity of reproductive health, prevention of sexually transmitted diseases (STD), and Birth control.

Unit II: Genetics and Evolution

• Mendelian Inheritance: Heredity and Variation, Blood Group Inheritance, the Basic concept of polygenic inheritance, Sex determination, Human Mendelian disorders.
• The Molecular basis of heredity: DNA as genetic material subject to research; DNA and RNA structure, Transcription, genetic code, DNA fingerprinting.
• Origin of life: Biological evolution, evidence for biological evolution, Mechanism of evolution, Natural Selection with examples, Geneflow and genetic drift, Human Evolution, and Adaptive Radiation.

Section III: Biology and Human Well-being

• Health and Illness: Pathogens, Malaria, Filariasis, Typhoid, Pneumonia, Immunology fundamentals–vaccines, Cancer, HIV, and AIDS.
• Enhancing food production: Plant breeding, tissue culture, single-cell proteins, and animal husbandry.
• Microbes in human welfare: In-home food processing, industrial manufacturing, sewage treatment, and energy generation.

Unit IV: Biotechnology Applications

• Fundamentals of Biotechnology: Genetic engineering (Recombinant DNA technology).
• Biotechnology's applications in health & agriculture: Human insulin, vaccine manufacturing, gene treatment, biosafety issues (biopiracy and patents).

Unit V: Ecology and environment

• Organisms and environment: Habitat and niche with organisms and surroundings, Population and environmental adjustments, Population interactions, parasitism, Population characteristics, growth, birth rate, death rate, and age distribution.
• Ecosystems: Patterns, components, productivity, ecosystems, energy flow, biomass, energy pyramids, ecological succession, Carbon fixation, pollination, and oxygen release.
• The conservation of biodiversity: Concept of Biodiversity, Biodiversity Patterns, Importance of Biodiversity, Conservation of biodiversity, endangered species, extinction, biosphere reserves, national parks, and sanctuaries.
• Environmental issues: Air pollution, and its control, Water pollution, Agrochemicals, Solid waste management, Radioactive waste management, the greenhouse effect, and global warming.

Read More: CUET Preparation Tips 2026

All the best for CUET 2026 Biology exam, hope this article on CUET Biology important topics 2026 will help you. For more updates on CUET 2026, stay tuned to CollegeDekho .