People should be banned to hunt in forest or collect wild plants to ensure protection of
A. wild life
B. ecosystem
C. food chain
D. food web
Related Questions on Chapter 7: Man Impact on Ecosystem - Science Mcqs for Grade 8
Environment can be kept clean and green by using
A. less energy
B. environment friendly technology
C. protecting wildlife
D. all of them
If untreated waste water will be directly spill in to rivers, sea and lakes it may
A. contaminate
B. polluted
C. spread diseases
D. all of them