1. Which of the following statement can harm our ecosystem?
A. Conserve water.
B. Grow plants in your backyard.
C. Do not dispose toxic products.
D. Use toxic pesticides to eliminate pest from plants.
2. In an ecosystem, birds depend on insects to survive. If farmer put pesticides to control the insect population, the bird population will most likely to ____.
A. decrease
B. increase
C. decrease, then increase
D. increase, then decrease
3. You go to a park with your dog, sadly your dog defecates on the grass. What will you do to help maintain the cleanliness in our park?
A. Ask somebody to clean it for you.
B. Never mind it and continue strolling around.
C. Pick it up with tissue or plastic then throw it properly.
D. Let the waste of your pet stays there since it will decompose.
4. How important roots of plants to our ecosystem? Roots can ______.
A. lessen soil erosion
B. absorb water
C. prevent flood
D. all of the above
5. Which of the following action is good to our ecosystem?
A. Leave your trash in the beaches.
B. Dispose garbage in the coastal rivers and estuaries.
C. Collect corals in the intertidal zones and estuaries as souvenirs.
D. Plant trees or flowering plants to make our surroundings more beautiful.
6. What happen to animals when we will destroy the ecosystem, the animal will most likely ___.
A. will fight back
B. live on water
C. stay there
D. find a new place to live
7. You went to the supermarket together with your mom on a Saturday morning, plastics are not allowed on that day. Which of the following statement does NOT help minimize in the use of plastic?
A. Do not bring own eco-bag.
B. Use reusable bags rather than plastic ones.
C. Choose non-toxic products for household use.
D. Choose products carefully to avoid excess packaging.
A. Just leave it on the beach.
B. Throw it in an open space.
C. Give it to the garbage collector.
D. Don’t mind it, it is only a garbage.
9. What is our role to help protect and conserve our environment?
A. Allow the farmers to use pesticides to their plants.
B. Practice the recycling, reusing, and composting at home
C. Buy imported products and show to everyone what you have
D. Do not turn off lights when not in use especially when it’s time to sleep
10. What is the role of estuaries and intertidal zones in our ecosystem? It ___.
A. is the catch basin of waste materials
B. filters the dirt before the freshwater enters the seas or oceans
C. acts as buffers, they can’t protect lands from crashing waves and storms
D. serves as passage way of all the garbage and toxic materials from the rivers