important questions for class 12 biology cbse

Important Questions for CBSE Class 12 Biology

1.Reproduction in Organisms

• Reproduction
• Sexual Reproduction

2.Sexual Reproduction in Flowering Plants

• Flower and its Parts
• Pollination
• Post-Fertilisation : Structures and Events

3.Human Reproduction  

• Reproductive Systems
• Gametogenesis
• Fertilisation, Pregnancy and Embryonic Development

4.Reproductive Health

• Reproductive Health Problems and Strategies
• Sexually Transmitted Diseases (STDs) and Infertility

5.Molecular Basis of Inheritance

• The DNA and RNA World
• Genetic Code, Human Genome Project and DNA Fingerprinting

6.Evolution

• The Origin of Life and Evidences of Evolution
• Biological Evolution, Its Mechanism and Evolution of Man  

7.Human Health and Disease

• Health, Common Diseases in Human and Immunity
• Adolescence and Drug/Alcohol Abuse

8.Strategies for Enhancement in Food Production

• Animal Husbandry
• Plant Breeding

9.Microbes in Human Welfare

• Microbes in Household Products, Industrial Products and in Sewage Treatment
• Microbes in Production of Biogas as Biocontrol Agents and Biofertilisers

10.Biotechnology: Principles and Processes

• Principles of Biotechnology and Tools of Recombination DNA Technology
• Processes of Recombinant DNA Technology

11.Biotechnology and Its Applications

• Biotechnological Applications in Agriculture and Medicine
• Transgenic Animals and Ethical Issues

12.Organisms and Populations

• Organisms and Its Environment
• Population

13.Ecosystem

• Ecosystem-Structure and Function, Productivity and Decomposition
• Energy Flow and Ecological Succession
• Nutrient Cycling and Ecosystem Services

14.Biodiversity and Conservation

• Biodiversity
• Conservation of Biodiversity

15.Environmental Issues

• Pollution, Solid and Radioactive Wastes
• Greenhouse Effect, Ozone Depletion and Deforestation