SS1 second Term fishery past questions and answers

SS1 second Term fishery past questions and answers

SS1 fishery exam questions with options and answers:

Question: Which of the following is a carnivorous fish species?

A) Tilapia

B) Carp

C) Trout

D) Catfish

Answer: C) Trout

Question: What is the purpose of a fish weir in traditional fishing?

A) Harvesting algae

B) Diverting water flow

C) Trapping fish

D) Oxygenating water

Answer: C) Trapping fish

Question: What is the main advantage of using a fish cage in aquaculture?

A) Increased water circulation

B) Protection from predators

C) Natural breeding environment

D) Limited fish growth

Answer: B) Protection from predators

Question: Which factor is essential for successful fish reproduction in captivity?

A) High stocking density

B) Low water temperature

C) Adequate nesting sites

D) Limited feeding

Answer: C) Adequate nesting sites

Question: What is the purpose of fish transportation tanks?

A) Displaying fish in aquariums

B) Facilitating fish movement in water

C) Transporting fish to different locations

D) Enhancing fish growth

Answer: C) Transporting fish to different locations

Question: What is the term for the practice of releasing young fish into natural water bodies to enhance populations?

A) Stocking

B) Harvesting

C) Seining

D) Trawling

Answer: A) Stocking

Question: Which feeding strategy is used in intensive fish farming?

A) Exclusive reliance on natural food

B) Feeding only during daylight hours

C) Supplementing natural food with formulated feed

D) Feeding once a week

Answer: C) Supplementing natural food with formulated feed

Question: What is the impact of overfishing on marine ecosystems?

A) Increased biodiversity

B) Ecosystem imbalance

C) Improved water quality

D) Decreased oxygen levels

Answer: B) Ecosystem imbalance

Question: What is the function of fish otoliths?

A) Regulating buoyancy

B) Aiding in digestion

C) Sensing water temperature

D) Assisting in reproduction

Answer: A) Regulating buoyancy

Question: What is the significance of the lateral line in fish anatomy?

A) Detecting vibrations and pressure changes in water

B) Aiding in camouflage

C) Enhancing coloration for mating

D) Facilitating rapid swimming

Answer: A) Detecting vibrations and pressure changes in water

Question: Which type of fishing gear is a seine net?

A) Cast net

B) Trawl net

C) Drift net

D) Fixed gill net

Answer: C) Drift net

Question: What is the process of removing excess nutrients from water in aquaculture known as?

A) Fertilization

B) Aeration

C) Desalination

D) Biofiltration

Answer: D) Biofiltration

Question: Which environmental factor can lead to fish stress in aquaculture?

A) Stable water temperature

B) High dissolved oxygen levels

C) Sudden changes in water quality

D) Low stocking density

Answer: C) Sudden changes in water quality

Question: What is the purpose of a fish counting system in aquaculture?

A) Estimating fish age

B) Monitoring fish behavior

C) Assessing fish health

D) Determining fish population

Answer: D) Determining fish population

Question: Which disease is caused by parasites in fish?

A) Ichthyophthirius

B) Dropsy

C) Fin rot

D) Swim bladder disorder

Answer: A) Ichthyophthirius

Question: In aquaculture, what is the purpose of a settling pond?

A) Providing shelter for fish

B) Removing suspended solids from water

C) Enhancing water temperature

D) Promoting fish breeding

Answer: B) Removing suspended solids from water

Question: What is the term for the practice of harvesting a specific size range of fish to maximize yield?

A) Selective harvesting

B) Indiscriminate harvesting

C) Overharvesting

D) Random harvesting

Answer: A) Selective harvesting

Question: Which type of fishing method involves attracting fish with light at night?

A) Trawling

B) Purse seining

C) Longlining

D) Attraction fishing

Answer: D) Attraction fishing

Question: What is the role of a fishery extension officer?

A) Managing fish processing plants

B) Providing education and support to fishers

C) Conducting scientific research on fish behavior

D) Inspecting fish markets

Answer: B) Providing education and support to fishers

Question: How does eutrophication impact aquatic ecosystems?

A) Promotes biodiversity

B) Reduces nutrient levels

C) Leads to algal blooms and oxygen depletion

D) Enhances water clarity

Answer: C) Leads to algal blooms and oxygen depletion