 - 1. What is the primary source of energy for phytoplankton?
A) Chemical energy
B) Sunlight
C) Seawater
D) Volcanic heat
- 2. What is the process of zooplankton feeding on phytoplankton called?
A) Erosion
B) Pollination
C) Grazing
D) Burrowing
- 3. Which organism is considered a primary producer in the plankton community?
A) Phytoplankton
B) Jellyfish
C) Herring
D) Shrimp
- 4. What type of plankton feeds on other plankton as part of the marine food chain?
A) Virioplankton
B) Bacterioplankton
C) Zooplankton
D) Phytoplankton
- 5. What is the dominant form of plankton in highly productive coastal waters?
A) Krill
B) Diatoms
C) Shrimp
D) Copepods
- 6. What is the process by which zooplankton migrate vertically in the water column called?
A) Diel vertical migration
B) Static suspension
C) Horizontal dispersion
D) Sedimentation
- 7. Which of the following is a common feeding strategy of zooplankton?
A) Predation
B) Scavenging
C) Photosynthesis
D) Filter feeding
- 8. What structures do some phytoplankton have that help them regulate their buoyancy?
A) Muscles
B) Stingers
C) Gas vacuoles
D) Eyes
- 9. Plankton are primarily found in which habitat?
A) Tundras
B) Aquatic environments
C) Mountains
D) Deserts
- 10. Which of the following is not a type of plankton?
A) Jellyfish
B) Phytoplankton
C) Zooplankton
D) Bacterioplankton
- 11. Which of the following is a type of harmful algal bloom caused by excess plankton growth?
A) Green tide
B) Blue tide
C) Red tide
D) Yellow tide
- 12. What is the general term for small marine organisms that drift with ocean currents?
A) Shark
B) Krill
C) Tuna
D) Plankton
- 13. What is the term for tiny particles that are transported by ocean currents and provide a surface for plankton to attach to?
A) Mangroves
B) Seaweed
C) Marine snow
D) Coral reefs
- 14. What is the term for plankton that spend their entire life cycle as part of the plankton community?
A) Meroplankton
B) Phytoplankton
C) Holoplankton
D) Zooplankton
- 15. What type of plankton are bacteria that drift in the water column?
A) Bacterioplankton
B) Phytoplankton
C) Zooplankton
D) Virioplankton
- 16. What is the term used to describe plankton that can move against currents?
A) Holoplankton
B) Tychoplankton
C) Nekton
D) Benthos
- 17. What is the main gas used by plankton in the process of photosynthesis?
A) Nitrogen
B) Hydrogen
C) Oxygen
D) Carbon dioxide
- 18. Plankton play a crucial role in the global carbon cycle by performing which process?
A) Chemical weathering
B) Respiration
C) Photosynthesis
D) Decomposition
- 19. What is the term for plankton that spend only part of their life cycle as part of the plankton community?
A) Meroplankton
B) Holoplankton
C) Bacterioplankton
D) Zooplankton
- 20. Which of the following is a type of phytoplankton that can produce bioluminescence?
A) Amoebas
B) Dinoflagellates
C) Flatworms
D) Roundworms
|