1.
What is our firm’s largest carbon emission source?
Correct Answer
A. Electricity
Explanation
The biggest emission source is electricity consumption, which comes from electricity, electricity transmission and distribution losses, and base-building emissions.
2.
Which of the item below contributes the highest electricity consumption per hour?
Correct Answer
D. Water heater
Explanation
On average, water heater cost 55 sens per hour; refrigerator 3 sen; air-conditioning 16 sen; iron 21 sen; washing machine (top load) 5 sen.
3.
What is the amount of paper recycled by our firm in FY16 (kg)?
Correct Answer
'15,500 kg'
Explanation
We've recycled over 119000 kg of paper since 2007.
4.
How long does it take for plastic to biodegrade?
Correct Answer
E. 450 years
Explanation
Some plastics take over 1000 years to decompose!
5.
People who eat seafood regularly ingest up to ________ pieces of plastics each year.
Correct Answer
11000
Explanation
The world’s oceans are polluted with more than five trillion pieces of microplastics, and one garbage truck worth of plastic is getting dumped into the ocean every minute. Assuming this trend continues, four trucks worth will be dumped a minute by 2050, with seafood lovers ingesting up to 780,000 pieces of plastic a year by the end of the century.
6.
How much of the world’s water is available and accessible for human use?
Correct Answer
D. 1%
Explanation
Freshwater makes up a very small fraction of all water on the planet. While nearly 70 percent of the world is covered by water, only 2.5 percent of it is fresh. The rest is saline and ocean-based. Even then, just 1 percent of our freshwater is easily accessible, with much of it trapped in glaciers and snowfields.
7.
What would NOT be a good way to dispose of an old fridge?
Correct Answer
A. Leaving it by the side of the road
Explanation
Leaving it by the side of the road would not be a good way to dispose of an old fridge because it can be hazardous to the environment and public health. The fridge may contain harmful substances such as refrigerants and oils which can leak and contaminate the soil and groundwater. Additionally, leaving it by the side of the road can create an eyesore and may be illegal in some areas. It is important to properly dispose of old fridges through authorized channels such as local recycling centers or scrap metal collection services that can safely handle and recycle the materials.
8.
Which of these is NOT a way to reduce pollution from plastic waste?
Correct Answer
D. Burning plastic waste
Explanation
Burning plastic waste is not a way to reduce pollution from plastic waste because when plastic is burned, it releases toxic chemicals and greenhouse gases into the air, contributing to air pollution and climate change. This method does not eliminate the plastic waste but instead creates more harmful pollutants. Recycling plastics, charging for plastic use, and using biodegradable plastic are all effective ways to reduce pollution from plastic waste by promoting reuse, reducing consumption, and encouraging the use of environmentally friendly alternatives.
9.
Which of the following is the correct thing to put into a compost bin:
Correct Answer
B. Apple cores
Explanation
Apple cores are the correct thing to put into a compost bin because they are organic waste that can decompose and contribute to the creation of nutrient-rich compost. Composting apple cores helps divert waste from landfills and provides a natural way to recycle them into a beneficial soil amendment for gardening and plant growth.
10.
Which of the methods below saves electricity when you're not in the room?
Correct Answer
B. Switching off all switches and electrical appliances
Explanation
Switching off all switches and electrical appliances saves electricity when you're not in the room because it ensures that no unnecessary energy is being consumed. Leaving the lights and air conditioning on or leaving only the fans on would both result in electricity being wasted as these appliances continue to use power even when they are not needed. Therefore, the most effective way to save electricity when not in the room is to switch off all switches and electrical appliances.