SS2 third Term fishery past questions and answers

SS2 third Term fishery past questions and answers

SS2 fishery exam questions with options and answers:

Question: What is the term for the process of removing excess algae from a fish pond?

A) Harvesting

B) Weeding

C) Algaecide treatment

D) Fertilization

Answer: C) Algaecide treatment

Question: Which type of fish is known for its anadromous migration, where it spawns in freshwater and matures in saltwater?

A) Trout

B) Sturgeon

C) Eel

D) Bass

Answer: C) Eel

Question: What is the primary purpose of a fish ladder in a dam?

A) Harvesting fish

B) Protecting fish from predators

C) Facilitating fish migration

D) Enhancing dissolved oxygen levels

Answer: C) Facilitating fish migration

Question: In aquaculture, what does the term "integrated multitrophic aquaculture" (IMTA) refer to?

A) Growing multiple fish species together

B) Combining fish farming with plant cultivation

C) Using multiple fishing gears simultaneously

D) Implementing advanced water treatment systems

Answer: B) Combining fish farming with plant cultivation

Question: Which disease is caused by bacteria and often results in ulcers on fish skin?

A) Ichthyophthirius

B) Furunculosis

C) Dropsy

D) Columnaris

Answer: B) Furunculosis

Question: What is the primary purpose of a fish trap?

A) Harvesting fish

B) Protecting fish from predators

C) Monitoring fish behavior

D) Providing shelter for fish

Answer: A) Harvesting fish

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

A) Low stocking density

B) Controlled photoperiod

C) High water turbidity

D) Limited aeration

Answer: B) Controlled photoperiod

Question: What is the term for the process of removing excess sediment from the bottom of a fish pond?

A) Grading

B) Dredging

C) Weeding

D) Aeration

Answer: B) Dredging

Question: Which type of fishing gear uses a funnel-shaped net to guide fish into a collection container?

A) Seine net

B) Trawl net

C) Purse seine

D) Fish weir

Answer: D) Fish weir

Question: What is the primary function of fish scales?

A) Protection

B) Buoyancy control

C) Temperature regulation

D) Reproduction

Answer: A) Protection

Question: Which type of aquaculture system involves the cultivation of marine species in enclosed coastal areas?

A) Inland aquaculture

B) Brackish-water aquaculture

C) Mariculture

D) Freshwater aquaculture

Answer: C) Mariculture

Question: What is the purpose of a fish counter in fisheries management?

A) Monitoring water temperature

B) Counting fish populations

C) Filtering water contaminants

D) Identifying fish species

Answer: B) Counting fish populations

Question: Which factor is crucial for promoting the survival of fish larvae in hatcheries?

A) High stocking density

B) Small particle size in feed

C) Limited aeration

D) Controlled water temperature

Answer: D) Controlled water temperature

Question: What is the term for the process of preventing unwanted fish from entering a waterway?

A) Fish screening

B) Fish tagging

C) Fish stocking

D) Fish grading

Answer: A) Fish screening

Question: Which type of fish is commonly associated with polyculture in aquaculture systems?

A) Trout

B) Tilapia

C) Catfish

D) Salmon

Answer: B) Tilapia

Question: What is the purpose of using artificial substrates in fish hatcheries?

A) Enhancing fish growth

B) Providing shelter for fish

C) Improving water clarity

D) Controlling fish diseases

Answer: B) Providing shelter for fish

Question: Which environmental parameter is crucial for successful shrimp farming in aquaculture?

A) Low salinity

B) High water temperature

C) Alkaline pH

D) Low dissolved oxygen

Answer: B) High water temperature

Question: What is the term for the practice of releasing excess nutrients into a fish pond to stimulate plankton growth?

A) Fertilization

B) Grading

C) Aeration

D) Algaecide treatment

Answer: A) Fertilization

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

A) Seining

B) Trawling

C) Casting

D) Scooping

Answer: D) Scooping

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

A) Small fish

B) Microscopic animals

C) Fish eggs

D) Aquatic plants

Answer: B) Microscopic animals