Teaching REET Mock Test Series 2024-25 Level 1 & 2 (Hindi-Sanskrit-English) General Science Biology Ecology & Environment
What is meant by non-biodegradable?
1
Substances that are broken down by biological processes
2
Substances that are not broken down by biological processes
3
Substances that are broken down by biochemical reactions.
4
Substances that are not broken down by chemical processes
5
Question Not Attempted