1. Why do we need to protect and conserve estuaries and intertidal zones?
A. Because they are found near our barangays
B. Because they make the Earth more beautiful
C. Because they serve as home to various aquatic life
D. Because they store harmful chemicals
2. What do you think will be the worst consequence to our safety if people cut
mangrove trees and beach forests along and near estuaries and intertidal zones?
A. Loss of beauty in the surroundings
B. Depletion of living aquatic resources for food
C. Scarcity of resources for firewood and timber for houses
D. More damaged houses due to tides, waves, and strong winds
3. What should you NOT do to prevent pollution on nearby bodies of water such as
estuaries and intertidal zones?
A. Planting native vegetation along the coastline and estuaries
B. Using toxic pesticides and fertilizers especially near bodies of water
C. Creating septic tanks on comfort rooms.
D. Utilizing recyclable materials to form new products
4. What should you do when you go boat riding with your friends so that you won’t
disturb or damage the marine life?
A. I will dump your trash overboard.
B. I will regularly check the boat’s engine to reduce oil leaks.
C. I will sail on the sensitive areas like seagrass beds.
D. I will not install marine sanitation devices on your boat.
5. What will you do if you see products made from endangered marine animals
being sold in the market?
A. I will patronize their products.
B. I will report them to the authorities.
C. I will help them to sell their products.
D. I will encourage them to make more of these products.
6. The following statements show practices in conserving aquatic environment,
EXCEPT one. Which is it?
A. Pumping of septic tanks at least every three years
B. Using organic fertilizers to nourish plants in the backyard
C. Catching animals found along the seashore to serve as pets
D. Participating in beach and river clean-ups
CO_Q2_Science 5_ Module 7
7. Rodel buys products with plastic containers such as soft drinks. After drinking,
he immediately throws them into the trash can intended for non-biodegradable
wastes. Do you think his action is right? Why or why not?
A. Yes, because he throws them in the proper trashcan.
B. No, because he does not know how reuse or recycle them.
C. Yes, because those are wastes to be thrown.
D. No, because plastic is biodegradable.
8. What is likely to happen if you catch too many fish?
A. There will be a decrease of their population.
B. There will be an increase of their population.
C. There will be a balance in the ecosystem.
D. Many fish will transfer from other marine habitat.
Read and analyze the following scenarios to answer the succeeding question.
i. Jonel collects young and mature seashells for food regularly along the
coastline during low tide.
ii. Gilbert dumps his pet’s waste along the rivers.
iii. John constantly collects excessive amount of sand along the coastline to sell
to construction companies.
iv. Mary plants mangrove seedlings.
9. Who among them shows proper way of conserving and protecting estuaries and
A. John B. Mary C. Gilbert D. Jonel
10.Mrs. Cruz assigned your group to conduct a community activity that would help
to conserve and protect estuaries and intertidal zones. What will be the most
impactful activity that your group could organize?
A. Conduct an orientation with the parents on proper handling of aquatic
B. Conduct a regular tree planting activity in the community.
C. Post some signages and posters about conservation of bodies of water.
D. Conduct a clean-up drive at the coastal areas once
2.A or D pili kana lang
TAMA PO YAAN :):):):)