Vista’slearning is an E-learning portal where we dedicatedly focus on “Quality Education for all.” We hold the hands of students from all sections of the society and assure them “No worries,” when their economic condition makes them feel “No way for Quality Education. https://www.v-learning.in/live-course/1919/social-australia-the-flattest-continent-cbse-kseeb-vistas-learning

1. Quality Education For All

3. OVERVIE
W
NCERT
12TH
BIOLOGY

4. UNIT VI
REPRODUCTION
Chapter 1 : Reproduction in Organisms
Chapter 2 : Sexual Reproduction in Flowering Plants
Chapter 3 : Human Reproduction
Chapter 4 : Reproductive Health

5. ❑ Reproduction becomes a vital process without which species cannot survive for long.
Enables a species to live generation after generation.
❑ Each individual leaves its progeny by asexual or sexual means.
UNIT VI
REPRODUCTION

8. UNIT VI
Chapter 2 : Sexual Reproduction in Flowering Plants

9. ✓ Sexual mode of reproduction enables creation of new variants, so that
survival advantage is enhanced.
REPRODUCTION
Chapter 3 : Human Reproduction

10. ❖ A related perspective on human reproductive health and how
reproductive ill health can be avoided is also presented to complete our
understanding of biology of reproduction.
Chapter 4 : Reproductive Health

11. UNIT VII
GENETICS AND EVOLUTION
Chapter 5 : Principles of Inheritance and Variation
Chapter 6 : Molecular Basis of Inheritance
Chapter 7 : Evolution

12. ❖ Understanding the structure of genetic material and the structural basis
of genotype and phenotype conversion.
Chapter 5 : Principles of Inheritance and Variation

13. ❖ Awareness in the areas of molecular genetics, structural biology and bio
informatics have enriched our understanding of the molecular basis of
evolution
Chapter 6 : Molecular Basis of Inheritance

14. ❖ In this unit the story and theory of evolution of modern man have been
examined and explained.
Chapter 7 : Evolution

15. UNIT VIII
BIOLOGY IN HUMAN WELFARE
Chapter 8 : Human Health and Disease
Chapter 9 : Strategies for Enhancement in Food
Production
Chapter 10 : Microbes in Human Welfare

16. ❖ Twenty-first century has demonstrated the utility of biological knowledge
in furthering human welfare i.e; health sector.
Chapter 8 : Human Health and Disease

17. ❖ Plant breeding to create varieties, which are resistant to pathogens and to insect pests. To
increases the yield of the food. To increase the protein content of the plant foods.
Strategies for Enhancement in Food Production

18. Chapter 10 : Microbes in Human Welfare
❖Role of Microbes in household products, Industrial products, Sewage
treatment, in the production of biogas, as Biocontrol agents and as
Biofertilizers.

19. UNIT IX
BIOTECHNOLOGY
Chapter 11 : Biotechnology : Principles and Processes
Chapter 12 : Biotechnology and its Applications

20. ❑ Biotechnology, the twentieth century off-shoot of modern biology, changed
our daily life as its products brought qualitative improvement in health and
food production.
UNIT IX
Chapter 11 : Biotechnology : Principles and Processes

22. ❑ GM plants in increasing crop yields and with improved nutritional value.
Recombinant DNA technology for therapeutics (Human insulin).Gene therapy
to treat hereditary diseases.
UNIT IX
Chapter 12 : Biotechnology and its Applications

23. UNIT X
ECOLOGY
Chapter 13 : Organisms and Populations
Chapter 14 : Ecosystem
Chapter 15 : Biodiversity and Conservation
Chapter 16 : Environmental Issues

24. Chapter 13 : Organisms and Populations
UNIT X
❑ Ecology is the study of the relationships of living organisms with the abiotic
and biotic components.

25. ➢ Ecosystem is a functional unit of nature. Productivity, decomposition, energy flow
and nutrient cycling are the four important components of ecosystem.
Chapter 14 : Ecosystem

26. ❖ Biodiversity conservation may be in situ as well as ex situ (Zoological
parks and botanical gardens).
Chapter 15 : Biodiversity and Conservation

27. Chapter 16 : Environmental Issues
❖ Two major environment issues of global nature are increasing green house
effect, which is warming Earth and depletion of ozone