Checking what you remember.

1. Ana is assigned to segregate waste materials at home. How will she do it?

• A. According to its ability to float and sink

• B. According to its color

• C. Into decaying and non- decaying groups

• D. Into small and big groups

2. People in Metro Manila produce large amount of wastes. However, garbage collectors are few. Because of this, garbage stays uncollected for how many days. What should they do to reduce their garbage and keep them away from diseases?

• A. Follow the technique of total recycling scheme

• B. Take vitamins to make the immune system strong

• C. Throw the materials anywhere

• D. Wear mouth mask to avoid inhaling polluted air

3. The city health officer gives lectures to the households of Valencia City on how to dispose their waste properly. Which of the following shows a proper waste disposal?

• A. Putting all the waste materials in one container

• B. Scattering waste materials on the road

• C. Segregating waste into decaying and non- decaying wastes

• D. Throwing waste materials on a vacant lot

4. Some people just throw their waste materials anywhere. What would happen if the decaying materials are not properly disposed?

• A. It allows free flow of rain water run –off

• B. It can cause loss of humus soil.

• C. It makes our surroundings beautiful and colorful.

• D. It will become breeding places of pests.

5. How to prevent the harmful effects of decaying materials?

• A. Disposed your garbage properly

• B. Keep the left over foods in the refrigerator

• C. Segregate the decaying and non- decaying materials

• E. All of the above

6. If you are going to dispose waste materials commonly found at home, what are you going to do with the decaying materials?

• A. Keep them in the cabinet and use them again

• B. Make a compost

• C. Mix them with the non-decaying

• D. Throw them in the river

7. Which materials will undergo decay?

• broken pail

• Chicken feathers

• kangkong stem

• potato peeling

• Bottle of mineral water

8. Which group of materials is recyclables?

• Bottle of mineral water

• meat

• empty container of catsup

• toyo/vinegar empty bottle

• leftover food

1. Which group of materials can be turned into fertilizer?

• A. Bottle of mineral water, glass, empty container of catsup, toyo/vinegar empty bottle, broken pail, basin

• B. Fishbone, Chicken feathers, kangkong stem, potato peeling leftover, meat

• C. Empty can, empty bottles of soft drink or milk container cereal drinks, sardines corned beef meatloaf

• None of the above

10.How should non-decaying wastes be disposed?

• A. By composting

• B. By recycling

• C. Reusing

• D. Both b and C