SS2 Third Term Fishery Past Questions And Answers
SS2 Third Term Fishery questions with options and answers:
Question: Which environmental parameter is crucial for the successful breeding of most fish species?
a) High salinity
b) Low pH
c) Stable temperature
d) Excessive light
Answer: c) Stable temperature
Question: What is the term for the process of removing excess fish population to maintain a balanced ecosystem in natural water bodies?
a) Harvesting
b) Culling
c) Thinning
d) Stocking
Answer: c) Thinning
Question: In fish farming, what is the purpose of a biofilter?
a) Mechanical filtration
b) Biological filtration
c) Chemical filtration
d) Sedimentation
Answer: b) Biological filtration
Question: Which fish species is commonly associated with brackish water aquaculture?
a) Tilapia
b) Trout
c) Milkfish
d) Carp
Answer: c) Milkfish
Question: What is the term for the process of feeding fish with a combination of natural and artificial feeds?
a) Monoculture
b) Polyculture
c) Omnivorous feeding
d) Supplemental feeding
Answer: b) Polyculture
Question: Which of the following is a common viral disease affecting fish?
a) Ichthyophthirius
b) Columnaris disease
c) Viral hemorrhagic septicemia (VHS)
d) Trichodina
Answer: c) Viral hemorrhagic septicemia (VHS)
Question: What is the primary function of a fish grading machine in aquaculture?
a) Sorting by size
b) Determining age
c) Gender identification
d) Vaccination
Answer: a) Sorting by size
Question: Which of the following is a method of controlling parasites in fish farming?
a) Mechanical filtration
b) Chemical treatment
c) Temperature reduction
d) Oxygenation
Answer: b) Chemical treatment
Question: What is the process of artificially fertilizing fish eggs outside the body called?
a) Natural spawning
b) Induced breeding
c) Incubation
d) Fry production
Answer: b) Induced breeding
Question: Which factor is essential for successful fish farming in terms of water quality?
a) High ammonia concentration
b) Low dissolved oxygen
c) Elevated pH
d) Presence of pollutants
Answer: b) Low dissolved oxygen
Question: What is the term for the juvenile stage of fish that are ready to be stocked in grow-out ponds?
a) Fingerling
b) Larva
c) Fry
d) Smolt
Answer: a) Fingerling
Question: In aquaculture, what is the purpose of aeration devices?
a) Oxygenation of water
b) Mechanical filtration
c) Temperature control
d) Feeding management
Answer: a) Oxygenation of water
Question: Which of the following is a method of harvesting fish that involves draining water from the pond?
a) Seining
b) Trapping
c) Grading
d) Pond draining
Answer: d) Pond draining
Question: What is the term for the removal of dead or diseased fish from a fish population?
a) Harvesting
b) Culling
c) Thinning
d) Grading
Answer: c) Thinning
Question: Which type of fish is commonly associated with cold-water aquaculture?
a) Catfish
b) Tilapia
c) Trout
d) Barramundi
Answer: c) Trout
Question: What is the purpose of a fishery cooperative?
a) Promoting overfishing
b) Collaborative management of resources
c) Ignoring regulations
d) Exploiting aquatic ecosystems
Answer: b) Collaborative management of resources
Question: What is the primary goal of selective breeding in aquaculture?
a) Increasing genetic diversity
b) Enhancing growth rates
c) Reducing fish production
d) Promoting disease resistance
Answer: b) Enhancing growth rates
Question: Which fish farming practice involves the use of hormones to induce spawning?
a) Natural spawning
b) Induced breeding
c) Fry production
d) Incubation
Answer: b) Induced breeding
Question: What is the term for the controlled environment where fish are raised before being transferred to grow-out ponds?
a) Hatchery
b) Nursery
c) Broodstock unit
d) Incubation chamber
Answer: b) Nursery
Question: In fish farming, what is the primary purpose of a quarantine facility?
a) Promotion of disease spread
b) Temporary housing for fish
c) Disease prevention and control
d) Overcrowding of fish
Answer: c) Disease prevention and control.
