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Frank solutions for Class 9 Biology ICSE chapter 23 - Safe Disposal of Wastes [Latest edition]

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Chapters

Class 9 Biology ICSE - Shaalaa.com

Chapter 23: Safe Disposal of Wastes

Exercise
Exercise [Page 212]

Frank solutions for Class 9 Biology ICSE Chapter 23 Safe Disposal of Wastes Exercise [Page 212]

Exercise | Q 1 | Page 212

What are the most important steps in waste management?

Exercise | Q 2 | Page 212

What are the measuress adopted to prevent the spread of disease from sewage water?

Exercise | Q 3 | Page 212

Give two advantages of garbage incineration.

Exercise | Q 4 | Page 212

What are Composting ? Explain its Process

Exercise | Q 5 | Page 212

How is sewage water treated?

Exercise | Q 6 | Page 212

Explain the working of an electrostatic precipitator.

Exercise | Q 7 | Page 212

What is segregation?

Exercise | Q 8 | Page 212

Give two uses of incineration.

Exercise | Q 9 | Page 212

Explain the methods of disposal of liquid wastes.

Exercise | Q 10 | Page 212

Give two-ecofriendly ways of treating kitchen wastes.

Exercise | Q 11 | Page 212

Give two benefits of composting.

Exercise | Q 12.1 | Page 212

The question has four options. Choose the correct answer:
Sewage water is purified by

  • microorganisms

  • light

  • fishes

  • aquatic plants

Exercise | Q 12.2 | Page 212

The question has four options. Choose the correct answer:
Composting is carried out from

  • sewage sludge

  • rubbish

  • industrial wastes

  • garbage and sewage sludge

Exercise | Q 12.3 | Page 212

The question has four options. Choose the correct answer:
Sewage sludge is used as

  • manure

  • biogas generators

  • both manure and biogas generators

  • tipping

Exercise | Q 12.4 | Page 212

The question has four options. Choose the correct answer:
Sewage is broken down in

  • primary treatment

  • secondary treatment

  • tertiary treatmen

  • all the above

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Chapter 23: Safe Disposal of Wastes

Exercise
Class 9 Biology ICSE - Shaalaa.com

Frank solutions for Class 9 Biology ICSE chapter 23 - Safe Disposal of Wastes

Frank solutions for Class 9 Biology ICSE chapter 23 (Safe Disposal of Wastes) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Class 9 Biology ICSE solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Frank textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 9 Biology ICSE chapter 23 Safe Disposal of Wastes are Methods of Safe Disposal of Waste: Segregation, Methods of Safe Disposal of Waste: Dumping, Methods of Safe Disposal of Waste: Composting, Methods of Safe Disposal of Waste: Drainage, Waste and Its Categories, Methods of Safe Disposal of Waste: Electrostatic Precipitators, Methods of Safe Disposal of Waste: Treatment of Effluents before Discharge, Methods of Safe Disposal of Waste: Incineration, Methods of Safe Disposal of Waste: Scrubbers, Waste and Its Categories, Science Teaching and Research Laboratories Wastes, Domestic Waste, Industrial Waste, Agricultural Waste, Municipal Waste, E-wastes and Its Management.

Using Frank Class 9 solutions Safe Disposal of Wastes exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Frank Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 9 prefer Frank Textbook Solutions to score more in exam.

Get the free view of chapter 23 Safe Disposal of Wastes Class 9 extra questions for Class 9 Biology ICSE and can use Shaalaa.com to keep it handy for your exam preparation

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