Substances that cannot be broken down by biological processes in nature are non-biodegradable. E.g., polythene, detergent, PVC, plastics, bakelite, DDT etc. On the other hand, substances that are broken down by biological processes are said to be biodegradable. e.g., wood, paper, leather, grass, animal bones ect.
NCERT EXEMPLAR|Exercise LONG ANSWER TYPE QUESTIONS|2 Videos
LIFE PROCESSES
NCERT EXEMPLAR|Exercise Long Answer Type Questions|1 Videos
Similar Questions
Explore conceptually related problems
In 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
The activities of man had adverse effects on all forms of living organisms in the biosphere. Unlimited exploitation of nature by man disturbed the delicate ecological balance between the living and non-living components of the biosphere. The unfavourable conditions created by man himself threatened the survival not only of him but also of the entire living organisms on the mother earth. One of your classmates is an active member of 'Eco club' of your school which is creating environmental awareness amongst the school students, spreading the same in the society and also working hard for preventing environmental degradation of the surroundings. Which of these group(s) contains only non biodegradable items? (i) Wood, paper, leather (ii) Polythene, detergent, PVC (iii) Plastic, detergent, grass (iv) Plastic, bakelite, DDT
Which of the following groups contain only biodegradable items?
Which one among the following groups of items contains only biodegradable items?
NCERT EXEMPLAR-OUR ENVIRONMENT-LONG ANSWER TYPE QUESTIONS
