POST TEST
Going through the extra mile...
After studying this module, take the following test to find out how much you leam
about the
topic. Choose the letter of the correct answer
1. What do hard corals extract from sea water for their skeleton?
A collagen
b. calcium
d. sufate
c. magnesium
2. How do corals reproduce?
A They don't reproduce
B. They produce asexually only
C. They produce sexually only
D. They produce sexually and asexually
3. How do corals get their food?
A By filter-feeding only
B. By zooxanthellae only
C. They don't get fed,
D. By filter-feeding and zooxanthellae.
4. How old are most coral reefs?
A Over 50 million years
B. 10,0000 to 15,000 years
C. 1000 to 5,000 years
D. 5,000 years to 10,000 years
5. Which of the following practices destroys the coral reefs?
A Refore station
C. Infomation Dissemination
B. Muro- Ami Fishing
D. Making Artificial Reefs
6. How can you help in saving coral reefs if you're a Grade 6 pupil living in a place which is far away from the sea?
A Make an artificial reefs made of old tires
B. Strictly implement the laws or ordinance in saving coral reefs.
C. Join groups which aim to guard and care for seas and coral reefs.
D. Plant more trees to prevent soil erosion and excessive sitation.
7. What does Brackish water means?
A Water B. Salt water only C. Fresh Water only D. A Mix of Fresh and Salt Water
8. What are mangrove swamps?
A Useless to man
B. Useless to animals
C. Devoid of all life
D. Rich habitats full of wildlife
9. Where can you find mangrove swamps?
A. Along arctic coastlines
B. Along rocky coastlines.
C. Along temperate coastlines.
D. Along tropical and subtropical coastlines.
10. How can we protect mangrove swamps?
A By making coastal developments.
B. By spilling oils along the coastlines.
C. By running off human waste and herbicides along the coastlines.
D. By joining organizations that conduct campaigns on how to protect and conserve wildlife ecosystems.​