Biology Topic

             BIOLOGY TOPIC  REFERENCES

 

 CLASS 7 

WATER 

https://www.jagranjosh.com/articles/cbse-class-9-science-natural-resourceschapter-notes-1511431495-1

https://www.askiitians.com/revision-notes/class-7-science/water-a-precious-resource/

NATURAL RESOURCES

https://www.askiitians.com/revision-notes/class-9-science/natural-resources/

https://schools.aglasem.com/cbse/cbse-notes-class-9-science-natural-resources/

https://www.learncbse.in/natural-resources-cbse-notes-class-9-science/

GLOBAL WARMING

https://www.vedantu.com/question-answer/write-a-short-note-on-global-warming-5b7d17eee4b08b06b4c37c47

https://byjus.com/biology/global-warming/

CLASS 11

EXCRETORY SYSTEM

https://www.askiitians.com/revision-notes/biology/excretory-products-and-their-elimination/

https://www.cliffsnotes.com/study-guides/biology/biology/excretion-and-homeostasis/human-excretory-system

DIGESTIVE SYSTEM

https://www.cliffsnotes.com/study-guides/biology/biology/nutrition-and-digestion/human-digestive-system

https://www.toppr.com/guides/biology/digestion-and-absorption/human-digestive-system/