Recycling: Waste Disposal MCQs with Answers PDF Download – Test 170

MCQ 846: Central heating systems can be run through:

1. more deforestation
2. burning of garbage
3. lesser incinerators
4. cooling water pipelines

MCQ 847: Loss of control of hand and feet occurs due to:

1. lead poisoning (Pb)
2. sulfur dioxide (SO₂)
3. nitrogen oxide (NO)
4. carbon dioxide (CO₂)

MCQ 848: Together, HCl (Hydrochloric Acid), rennin and pepsin form the:

1. bile juice
2. pancreatic juice
3. gastric juice
4. intestinal juice

MCQ 849: In an ecological community, change in one member:

1. affects other population of the community
2. does not affect other populations
3. affects other ecosystems
4. affects other communities

MCQ 850: In ecology ,ecological niche refers to:

1. how an organism fits in the environment only
2. how an organism depends on various organisms only
3. how an organism adapts a new environment.
4. how an organism fits in the environment and depends on various organisms