Chapter Content type Value Position Created at
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 21 Delete Content
Chapter 12 - Biotechnology image /default_org/ncert_images/class-xii/b... 67 Delete Content
Chapter 11 - Biotechnology text Box 3: Eutrophication Excessive nutrients including nitro... 22 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 23 Delete Content
Chapter 11 - Biotechnology text Box 4: Sewage Oxidation Ponds or Lagoons Oxidation ponds ... 24 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 25 Delete Content
Chapter 11 - Biotechnology text pollutants (if the sewage contains industrial wastes) and... 26 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 27 Delete Content
Chapter 11 - Biotechnology text Table 11.2: Major sources and types of solid wastes Sourc... 28 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 29 Delete Content
Chapter 11 - Biotechnology text problem if the waste contains toxic substances and dispos... 30 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 31 Delete Content
Chapter 11 - Biotechnology text Sorting and management of solid waste To maximise the rol... 32 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 33 Delete Content
Chapter 11 - Biotechnology text pit should be fenced to prevent animals from intruding in... 34 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 35 Delete Content
Chapter 11 - Biotechnology text Disposal of toxic chemicals Disposal of toxic chemicals s... 36 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 37 Delete Content
Chapter 12 - Biotechnology text 13. Fabrics are extensively made out of nano materials li... 68 Delete Content
Chapter 13 - Biotechnology image /default_org/ncert_images/class-xii/b... 1 Delete Content
Chapter 11 - Biotechnology text 60 ) 50 ( e 40 u r 30 Thermophilic e c m 20 i phase T p 1... 38 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 39 Delete Content
Chapter 11 - Biotechnology text play an important role in degrading lignin, cellulose, ch... 40 Delete Content
Chapter 11 - Biotechnology image /default_org/ncert_images/class-xii/b... 41 Delete Content
Chapter 11 - Biotechnology text Table 11.3: Details of colour code and types of waste S. ... 42 Delete Content