SS2 second Term fishery past questions and answers

SS2 second Term fishery past questions and answers

SS2 fishery exam questions with options and answers:

Question: What is a fish aggregating device (FAD) commonly used for in fisheries?

A) Attracting predators

B) Monitoring water temperature

C) Concentrating fish for easier catch

D) Filtering water contaminants

Answer: C) Concentrating fish for easier catch

Question: Which type of fishing gear uses a cone-shaped net to trap fish as they swim into it?

A) Seine net

B) Trawl net

C) Purse seine

D) Cast net

Answer: C) Purse seine

Question: What is the term for the process of raising fish in freshwater and then transferring them to saltwater for further growth?

A) Monoculture

B) Polyculture

C) Anadromous

D) Catadromous

Answer: C) Anadromous

Question: Which environmental factor is crucial for the successful cultivation of brackish-water species in aquaculture?

A) High salinity

B) Low temperature

C) Acidic pH

D) Turbid water

Answer: A) High salinity

Question: What is the primary function of the swim bladder in fish?

A) Buoyancy control

B) Digestion

C) Reproduction

D) Oxygen absorption

Answer: A) Buoyancy control

Question: In aquaculture, what does the term "fingerling" refer to?

A) Small fish

B) Fish eggs

C) Fish larvae

D) Juvenile fish

Answer: D) Juvenile fish

Question: Which fish disease is characterized by inflammation of the skin and fins?

A) Dropsy

B) Ichthyophthirius

C) Furunculosis

D) Columnaris

Answer: D) Columnaris

Question: What is the primary purpose of using aeration systems in aquaculture ponds?

A) Enhancing fish growth

B) Increasing water temperature

C) Improving dissolved oxygen levels

D) Preventing algal blooms

Answer: C) Improving dissolved oxygen levels

Question: Which nutrient is essential for promoting healthy bone development in fish?

A) Vitamin C

B) Calcium

C) Iron

D) Vitamin D

Answer: B) Calcium

Question: What is the term for the process of providing supplementary feed to enhance fish growth in aquaculture?

A) Weeding

B) Fertilization

C) Feeding

D) Grading

Answer: C) Feeding

Question: Which type of aquaculture system involves the cultivation of fish and plants together in a symbiotic environment?

A) Hydroponics

B) Polyculture

C) Monoculture

D) Aquaponics

Answer: D) Aquaponics

Question: What is the primary function of the lateral line in fish?

A) Smelling

B) Hearing

C) Detecting pressure changes in the water

D) Vision

Answer: C) Detecting pressure changes in the water

Question: Which fishing method uses a cone-shaped net with wings on either side to encircle fish?

A) Purse seining

B) Trawling

C) Gill netting

D) Longlining

Answer: A) Purse seining

Question: What is the term for the process of removing unwanted aquatic plants from a fish pond?

A) Harvesting

B) Grading

C) Weeding

D) Seeding

Answer: C) Weeding

Question: Which factor is crucial for determining the appropriate stocking density in a fish pond?

A) Water temperature

B) Wind speed

C) Soil composition

D) Fish coloration

Answer: A) Water temperature

Question: In fish farming, what does the term "broodstock" refer to?

A) Young fish

B) Female fish used for breeding

C) Male fish used for breeding

D) Fish eggs

Answer: B) Female fish used for breeding

Question: What is the primary purpose of using a fish screen in water intake systems?

A) Protecting fish from predators

B) Enhancing fish growth

C) Preventing fish from entering water channels

D) Increasing dissolved oxygen levels

Answer: C) Preventing fish from entering water channels

Question: Which type of fishing gear is a cast net commonly used for?

A) Trawling

B) Seining

C) Longlining

D) Encircling

Answer: D) Encircling

Question: What is the term for the practice of rotating fish between different ponds to promote even growth and reduce disease risk?

A) Grading

B) Culling

C) Polyculture

D) Rotation system

Answer: D) Rotation system

Question: Which factor is essential for successful larval rearing in fish hatcheries?

A) Low salinity

B) High water temperature

C) Small particle size in feed

D) Limited aeration

Answer: C) Small particle size in feed