Waste Generation and Management Very Short Answer Biology Class-9 ICSE Selina Publishers

Waste Generation and Management Very Short Answer Biology Class-9 ICSE Selina Publishers Solutions Chapter-19. Step By Step ICSE Selina Concise Solutions of Chapter-19 Waste Generation and Management with Exercise-19 including MCQs, Very Short Answer Type, Short Answer Type, Long Answer Type and Structured/Application Questions SolvedVisit official Website CISCE for detail information about ICSE Board Class-9.

Waste Generation and Management Exe-19 Very Short Answer Biology Class-9 ICSE Concise Selina Publishers

Board ICSE
Publications Selina Publication
Subject Biology
Class 9th
Chapter-19 Waste Generation and Management
Book Name Concise
Topics Solution of B. Very Short Answer Type
Academic Session 2023-2024

B. Very Short Answer Type 

Waste Generation and Management Class-9 Biology Concise Solutions  

Page 199

Question 1.

Name the following :

(a) The solid precipitated material produced during secondary treatment of the effluent, carried out in the Effluent Treatment Plants.

(b) The two types of devices commonly used for removing the particulate air pollutants.

(c) The process of disposal of waste by burning.

(d) The solid waste residue left after burning.

(e) The category of wastes given out from homes.

Answer:

(a) Sludge

(b) Scrubbers, Electrostatic precipitators

(c) Incineration

(d) Ash

(e) Domestic wastes

Question 2.

Correct the following statements by changing the first/last word only.

(a) Some of the electronic wastes may contain valuable metals such as potassium.

(b) Sludge is the gaseous waste of cement industry.

(c) Drains are used to remove gaseous and particulate air pollutants.

(d) Industrial liquid waste is termed as sewage.

(e) Rags are the plant residue left after extracting the sugarcane juice.

Answer:

(a) Some of the electronic wastes may contain valuable metals such as gold, silver and copper .

(b) Fly ash is the gaseous waste of cement industry.

(c) Scrubbers are used to remove gaseous and particulate air pollutants.

(d) Domestic liquid waste is termed as sewage.

(e) Bagasse are the plant residue left after extracting the sugarcane juice.

Question 3.

Match the items in Column I with as many times as possible in Column II.

Column I Column II
Cow dung Sugarcane
Bagasse Manure
Okhla khad Food wastes
Lead and cadmium e-wastes

 

Answer:

 

Column I Column II
Cow dung Manure
Bagasse Sugarcane
Okhla khad Food wastes
Lead and cadmium e-wastes

 

—  : End of Waste Generation and Management B. Very Short Answer Class-9 ICSE Biology Solutions :–

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