IGCSE O Level Biology Online Tests
Recycling Waste Disposal MCQ (Multiple Choice Questions) PDF Download
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Recycling Waste Disposal Questions and Answers PDF Download
Problem of solid waste disposal can be reduced through
- recycling
- lesser pollution
- more timber
- population control
In which category of resources, metal lies
- renewable resource
- non-renewable resource
- artificial resource
- element
Central heating systems can be run through
- more deforestation
- burning of garbage
- lesser incinerators
- cooling water pipelines
Metals is produced as waste in industries like
- skiing
- mining
- electroplating
- digging
Making new containers from crushed glass helps to
- save materials only
- save fuel only
- increase pollution
- save materials and fuel
IGCSE O Level Biology Practice Tests
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O Level Biology MCQs eBook Download
A Level Biology Practice Questions
IGCSE O Level Biology Practice Tests
A Level Biology MCQ Questions
- Very low temperatures make enzyme
- Inside of cell becomes more negative than outside as a result of
- Gas exchange system in lungs can be damaged by
- For enzyme activity in human body, optimum temperature is
- Vasoconstrictive protein that composed of a chain of eight amino acids residue which stimulates release of aldosterone and increases blood pressure is called