Advertisements
Advertisements
Question
What is meant by biodegradable waste materials?
Solution
Waste materials that can be broken down into non-poisonous substances in nature in due course of time, by the action of micro-organisms such as certain bacteria, are called biodegradable wastes
APPEARS IN
RELATED QUESTIONS
If all the waste we generate is biodegradable, will this have no impact on the environment?
State one advantage of using jute bags over plastic bags for shopping.
Give two examples of biodegradable wastes.
What type of substances are the major pollutants of the environment? Name two such substances
n the following groups of materials, which group/groups contain only non-biodegradable materials?
(i) wood, paper, leather
(ii) polythene, detergent, PVC
(iii) plastic, detergent, grass
(iv) plastic, bakelite, DDT
(a) (iii)
(b) (iv)
(c) (i) and (iii)
(d) (ii) and (iv)
One of the following is not a biodegradable material. This one is :
(a) cotton
(b) animal bones
(c) aluminium foil
(d) wood
Select two non-biodegradable substances from the following waste generated in a kitchen:
Spoilt food, paper bags, milk bags, vegetable peels, tin cans, used tea leaves
Name any five items which are recyclable.
Expired medicines, used batteries are domestic hazardous waste.
List any four domestic hazardous waste.