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                                  BIOLOGY/BIOLOGICAL STUDIES/BIOTECNOLOGY/BIOCHEMISTRY 
 
Unit I: Reproduction 
Reproduction in organisms: Reproduction, a characteristic feature of all organisms for continuation of species; 
Modes of reproduction – Asexual and sexual; Asexual reproduction; Modes- Binary fission, sporulation, 
budding, gemmule, fragmentation; vegetative propagation in plants. 
Sexual reproduction in flowering plants: Flower structure; Development of male and female 
gametophytes; Pollination –types, agencies and examples; Outbreedings devices; Pollen-Pistil interaction; 
Double fertilization; Post fertilization events – Development of endosperm and embryo, Development of 
seed and formation of fruit; Special modes – apomixis, parthenocarpy, polyembryony; Significance of seed 
and fruit formation. 
Human Reproduction: Male and female reproductive systems; Microscopic anatomy of testis and ovary; 
Gametogenesis- spermatogenesis & oogenesis; Menstrual cycle; Fertilisation, embryo development upto 
blastocyst formation, implantation; Pregnancy and placenta formation (Elementary idea); Parturition 
(Elementary idea); Lactation (Elementary idea). 
 
Reproductive health: Need for reproductive health and prevention of sexually transmitted diseases (STD); 
Birth control- Need and Methods, Contraception and Medical Termination of Pregnancy (MTP); 
Amniocentesis; Infertility and assisted reproductive technologies – IVF, ZIFT, GIFT (Elementary idea for 
general awareness). 
 
Unit II: Genetics and Evolution 
Heredity and variation: Mendelian Inheritance; Deviations from Mendelism – Incomplete dominance, Co-dominance, 
Multiple alleles and Inheritance of blood groups, Pleiotropy; Elementary idea of polygenic inheritance; Chromosome 
theory of inheritance; Chromosomes and genes; Sex determination – In humans, birds, honey bee; Linkage and crossing 
over; Sex linked inheritance- Haemophilia, Colour blindness; Mendelian disorders in humans – Thalassemia; 
Chromosomal disorders in humans; D o w n ’ s syndrome, T u r ner ’ s and K l i ne f el t e r ’ s syndromes. 
Molecular Basis of Inheritance: Search for genetic material and DNA as genetic material; Structure of DNA and RNA; 
DNA packaging; DNA replication; Central dogma; Transcription, genetic code, translation; Gene expression and 
regulation – Lac Operon; Genome and human genome project; DNA finger printing. 
Evolution: Origin of life; Biological evolution and evidences for biological evolution (Paleontological, comparative 
anatomy, embryology and molecular evidence); D a r w i n ’ s contribution, Modern Synthetic theory of Evolution; 
Mechanism of evolution – Variation (Mutation and Recombination) and Natural Selection with examples, types of natural 
selection; Gene flow and genetic dirft; Hardy- W e i n b e r g ’ s principle;Adaptive Radiation; Human evolution. 
 
Unit III: Biology and Human Welfare 
Health and Disease: Pathogens; parasites causing human diseases (Malaria, Filariasis, Ascariasis, Typhoid, 
Pneumonia, common cold, amoebiasis, ring worm); Basic concepts of immunology –vaccines; Cancer, HIV and 
AIDs; Adolescence, drug and alcohol abuse. 
Improvement in food production: Plant breeding, tissue culture, single cell protein, Biofortification; Apiculture and 
Animal husbandry. 
Microbes in human welfare: In household food processing, industrial production, sewage treatment, energy 
generation and as biocontrol agents and biofertilizers. 
 
 
Note:  
There will be one Question Paper which will have 50 questions out of which 40 questions need to be 
attempted. 
Page 2


 
 
 
 
 
 
 
 
 
 
                                  BIOLOGY/BIOLOGICAL STUDIES/BIOTECNOLOGY/BIOCHEMISTRY 
 
Unit I: Reproduction 
Reproduction in organisms: Reproduction, a characteristic feature of all organisms for continuation of species; 
Modes of reproduction – Asexual and sexual; Asexual reproduction; Modes- Binary fission, sporulation, 
budding, gemmule, fragmentation; vegetative propagation in plants. 
Sexual reproduction in flowering plants: Flower structure; Development of male and female 
gametophytes; Pollination –types, agencies and examples; Outbreedings devices; Pollen-Pistil interaction; 
Double fertilization; Post fertilization events – Development of endosperm and embryo, Development of 
seed and formation of fruit; Special modes – apomixis, parthenocarpy, polyembryony; Significance of seed 
and fruit formation. 
Human Reproduction: Male and female reproductive systems; Microscopic anatomy of testis and ovary; 
Gametogenesis- spermatogenesis & oogenesis; Menstrual cycle; Fertilisation, embryo development upto 
blastocyst formation, implantation; Pregnancy and placenta formation (Elementary idea); Parturition 
(Elementary idea); Lactation (Elementary idea). 
 
Reproductive health: Need for reproductive health and prevention of sexually transmitted diseases (STD); 
Birth control- Need and Methods, Contraception and Medical Termination of Pregnancy (MTP); 
Amniocentesis; Infertility and assisted reproductive technologies – IVF, ZIFT, GIFT (Elementary idea for 
general awareness). 
 
Unit II: Genetics and Evolution 
Heredity and variation: Mendelian Inheritance; Deviations from Mendelism – Incomplete dominance, Co-dominance, 
Multiple alleles and Inheritance of blood groups, Pleiotropy; Elementary idea of polygenic inheritance; Chromosome 
theory of inheritance; Chromosomes and genes; Sex determination – In humans, birds, honey bee; Linkage and crossing 
over; Sex linked inheritance- Haemophilia, Colour blindness; Mendelian disorders in humans – Thalassemia; 
Chromosomal disorders in humans; D o w n ’ s syndrome, T u r ner ’ s and K l i ne f el t e r ’ s syndromes. 
Molecular Basis of Inheritance: Search for genetic material and DNA as genetic material; Structure of DNA and RNA; 
DNA packaging; DNA replication; Central dogma; Transcription, genetic code, translation; Gene expression and 
regulation – Lac Operon; Genome and human genome project; DNA finger printing. 
Evolution: Origin of life; Biological evolution and evidences for biological evolution (Paleontological, comparative 
anatomy, embryology and molecular evidence); D a r w i n ’ s contribution, Modern Synthetic theory of Evolution; 
Mechanism of evolution – Variation (Mutation and Recombination) and Natural Selection with examples, types of natural 
selection; Gene flow and genetic dirft; Hardy- W e i n b e r g ’ s principle;Adaptive Radiation; Human evolution. 
 
Unit III: Biology and Human Welfare 
Health and Disease: Pathogens; parasites causing human diseases (Malaria, Filariasis, Ascariasis, Typhoid, 
Pneumonia, common cold, amoebiasis, ring worm); Basic concepts of immunology –vaccines; Cancer, HIV and 
AIDs; Adolescence, drug and alcohol abuse. 
Improvement in food production: Plant breeding, tissue culture, single cell protein, Biofortification; Apiculture and 
Animal husbandry. 
Microbes in human welfare: In household food processing, industrial production, sewage treatment, energy 
generation and as biocontrol agents and biofertilizers. 
 
 
Note:  
There will be one Question Paper which will have 50 questions out of which 40 questions need to be 
attempted. 
BIO 
Unit IV: Biotechnology and Its Applications 
Principles and process of Biotechnology: Genetic engineering (Recombinant DNA technology). 
 
Application of Biotechnology in health and agriculture: Human insulin and vaccine production, gene therapy; 
Genetically modified organisms- Bt crops; Transgenic Animals; Biosafety issues – Biopiracy and patents. 
 
 Unit V: Ecology and environment 
Organisms and environment: Habitat and niche; Population and ecological adaptations; Population interactions –
mutualism, competition, predation, parasitism; Population attributes –growth, birth rate and death rate, age 
distribution. 
Ecosystems: Patterns, components; productivity and decomposition; Energy flow; Pyramids of number, biomass, 
energy; Nutrient cycling (carbon and phosphorous); Ecological succession; Ecological Services – Carbon fixation, 
pollination, oxygen release. 
Biodiversity and its conservation: Concept of Biodiversity; Patterns of Biodiversity; Importance of Biodiversity; Loss 
of Biodiversity; Biodiversity conservation; Hotspots, endangered organisms, extinction, Red Data Book, biosphere 
reserves, National parks and sanctuaries. 
Environmental issues: Air pollution and its control; Water pollution and its control; Agrochemicals and their effects; 
Solid waste management; Radioactive waste management; Greenhouse effect and global warming; Ozone depletion; 
Deforestation; Any three case studies as success stories addressing environmental issues. 
 
 
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FAQs on CUET Exam Syllabus for Biology - Commerce

1. What is the syllabus for the CUET Biology exam?
Ans. The syllabus for the CUET Biology exam includes topics such as cell biology, genetics, evolution, ecology, plant physiology, animal physiology, and biotechnology. It also covers topics related to biodiversity, conservation biology, and environmental science.
2. What are the important topics to study for the CUET Biology exam?
Ans. Some important topics to study for the CUET Biology exam are cell structure and function, DNA replication and protein synthesis, Mendelian genetics, evolution by natural selection, plant and animal anatomy and physiology, and ecological concepts such as food chains and energy flow.
3. How should I prepare for the CUET Biology exam?
Ans. To prepare for the CUET Biology exam, it is important to thoroughly study the topics mentioned in the syllabus. Make use of textbooks, reference materials, and online resources to gain a comprehensive understanding of the concepts. Practice solving previous year question papers and take mock tests to assess your knowledge and improve time management skills.
4. Are there any specific resources or books recommended for the CUET Biology exam preparation?
Ans. While there are no specific resources or books recommended for the CUET Biology exam preparation, some popular textbooks such as "Biology" by Campbell and Reece, "Molecular Biology of the Cell" by Alberts et al., and "Ecology: Concepts and Applications" by Molles can be useful. Additionally, online platforms and educational websites may offer study materials and practice questions.
5. What is the level of difficulty for the CUET Biology exam?
Ans. The level of difficulty for the CUET Biology exam is moderate to high. The questions are designed to test the understanding and application of biological concepts rather than mere memorization. It is essential to have a strong grasp of the fundamentals and be able to apply them to solve complex problems and scenarios.
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