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Area 2 > F. Fishery and Aquatic Resources > Flashcards

F. Fishery and Aquatic Resources Flashcards

1
Q

Water Body Classification and Usage of Marine Waters: This water is designated as national or local marine parks, reserves, sanctuaries and other areas established by law. It is also suitable for shellfish harvesting for direct human consumption.

A. Class SA
C. Class SC
B. Class SB
D. Class SD

A

A. Class SA

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2
Q

Water Body Classification and Usage of Marine Waters: This water is deemed suitable for commercial propagation of shellfish and intended as spawning areas for milkfish and similar species. It can even be classified as a tourist zones.

A. Class SA
C. Class SC
B. Class SB
D. Class SD

A

B. Class SB

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3
Q

Water Body Classification and Usage of Marine Waters: This water is intended for the propagation and growth of fish and other aquatic resources and for commercial and sustenance fishing. It can even be classified as a marshy and/or mangrove areas declared as fish and wildlife sanctuaries.

A. Class SA
C. Class SC
B. Class SB
D. Class SD

A

C. Class SC

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4
Q

Water Body Classification and Usage of Freshwater: Fishery water intended for the propagation and growth of fish and other aquatic resources. It is also used for agriculture, irrigation and livestock watering.

A. Class AA
C. Class B
B. Class A
D. Class C

A

D. Class C

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5
Q

A measure of the amount of oxygen that bacteria will consume while decomposing organic matter under aerobic conditions.

A. Biochemical Oxygen Demand (BOD)
C. Chemical Oxygen Demand (COD)
B. Dissolved oxygen (DO)
D. Electrical conductivity (EC)

A

A. Biochemical Oxygen Demand (BOD)

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6
Q

A measure of the total quantity of oxygen required to oxidize all organic material into carbon dioxide and water.

A. Biochemical
Oxygen Demand (BOD)
C. Chemical Oxygen Demand (COD)
B. Dissolved oxygen (DO)
D. Electrical conductivity (EC)

A

C. Chemical Oxygen Demand (COD)

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7
Q

Area with more species of corals, fish, and pharmaceutical marine products than any other marine environment on Earth:

A. Biome
C. Coral Triangle
B. Ocean
D. Freshwater

A

C. Coral Triangle

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8
Q

Part of cage structure that keeps the cage at the surface of the water and helps maintain the shape of the cage in the vertical and horizontal planes. It can be made of large diameter rubber hose or high-density polyethylene tubes or pipes.

A. Floats
C. Collar
B. Nets
D. Mooring

A

A. Floats

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9
Q

Part of cage structure that maintains the shape of the cage in the horizontal plane. It may simply be a ring of metal placed at the bottom of the cage to weigh the cage down in the required shape or it can be a complicated design involving flotation and weights.

A. Floats
C. Collar
B. Nets
D. Mooring

A

C. Collar

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10
Q

Breeding and growout production of commercially important marine species are grown in zonified marine cages which the Bureau of Fisheries and Aquatic Resources refers to as:

A. Industrial cage parks
C. Seawater cage farms
B. Ocean cage parks
D. Mariculture parks

A

D. Mariculture parks

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11
Q

Occurs when excessive nutrients (e.g. NPK fertilizers in agricultural fields) are accumulated in different bodies of water that leads to algal blooms and fish kills:

A. Nitrification
C. Desertification
B. Eutrophication
D. Water degradation

A

B. Eutrophication

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12
Q

Acceptable range of pH for aquaculture applications

A. 2.1-3.1
C. 6.0 - 8.5
B. 5.4-6.1
D. 4.4-5.1

A

C. 6.0 - 8.5

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13
Q

Acceptable range of alkalinity (as CaCO3) for aquaculture applications

A. 0 - 100 ppm
C. 400 - 600 ppm
B. 100 - 400 ppm
D. 600 - 800 ppm

A

B. 100 - 400 ppm

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14
Q

Acceptable range of carbon dioxide for aquaculture applications

A. 0 - 15
C. 20 - 25
B. 15 - 20
D. 25 - 30

A

A. 0 - 15

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15
Q

Acceptable range of total hardness of water for aquaculture applications

A. 0 - 100
C. 400 - 600
B. 100 - 400
D. 600 - 800

A

B. 100 - 400

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16
Q

The most dominant species cultured in brackishwater in the country are:

A. Oyster and mussels
C. Milkfish and shrimp
B. Mudcrab and grouper
D. Tilapia and milkfish

A

C. Milkfish and shrimp

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17
Q

Which of the following is not a major aquaculture species in the Philippines?

A. Carp
C. Salmon
B. Seaweeds
D. Tiger prawn

A

C. Salmon

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18
Q

This shrimp or prawn undergoes 11 larval stages to metamorphose to post larvae:

A. Giant freshwater prawn
C. Whiteleg shrimp
B. Giant tiger prawn
D. Indian shrimp

A

A. Giant freshwater prawn

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19
Q

Penaeid shrimps undergo these larval stages in sequence before they become post larvae:

A. Nauplius, megalopa, instar
C. Nauplius, zoea, mysis
B. Nauplius, mysis, zoea
D. Zoea, megalopa, instar

A

C. Nauplius, zoea, mysis

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20
Q

Eye ablation is a way of inducing females to spawn in:

A. Milkfish
C. Mussels
B. Oysters
D. Shrimp

A

D. Shrimp

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21
Q

A seaweed that is mainly produced in the country is:

A. Kappaphycus
C. Nori
B. Kelp
D. Aristichthys

A

A. Kappaphycus

22
Q

The major aquaculture species farmed in brackishwater in the country are:

A. Oyster and mussels
C. Mudcrab and grouper
B. Milkfish and shrimp
D. Tilapia and milkfish

A

B. Milkfish and shrimp

23
Q

The Philippines ranks as the world’s third largest producer of:

A. Shrimp
C. Milkfish
B. Sea cucumber
D. Seaweeds

A

D. Seaweeds

24
Q

The Philippines ranks as the world’s second largest producer of:

A. Shrimp
C. Milkfish
B. Sea cucumber
D. Seaweeds

A

C. Milkfish

25
Q

These two culture systems in open water are considered as enclosure culture systems:

A. Raceways and ponds
C. Ponds and cages
B. Pens and cages
D. Raceways and pens

A

B. Pens and cages

26
Q

This form of nitrogen in water is considered toxic to fish:

A. Nitrogen gas
C. Nitrate
B. Ionized ammonia
D. Unionized ammonia

A

D. Unionized ammonia

27
Q

Watwe excretion rates vary with fish size or weight but remain fairly constant per:

A. kg fish
C. m3 water
B. kg feed
D. Number of fish

A

B. kg feed

28
Q

The chemical constituent of water which hastens growth of aquatic vegetation and sometimes lead to eutrophication.

A. Sediment
C. Potassium
B. Phosphorus
D. Sulfur

A

B. Phosphorus

29
Q

Water like in estuarine areas with intermediate salinity due to the mixing of fresh and sea water is referred
to as:

A. Freshwater
C. Seawater
B. Brackish water
D. Marine water

A

B. Brackish water

30
Q

The term that refers to facilities or procedures involved in producing fish, shrimp fry or other seed stock is:

A. Broodstock conditioning
C. Nursery
B. Hatchery
D. Growout

A

B. Hatchery

31
Q

A culture system that is built in shallow waters and is made of bamboo poles surrounded by a fish net.

A. Fish pond
C. Fish pen
B. Fish cage
D. Fish tank

A

C. Fish pen

32
Q

A culture system that is built in deep waters. It uses fiberglass, plastic or steel and nets held up by floaters.

A. Fish pond
C. Fish pen
B. Fish cage
D. Fish tank

A

B. Fish cage

33
Q

A culture system that is enclose (earthen or concrete) built to retain water for the purpose of growing
fish.

A. Fish pond
C. Fish pen
B. Fish cage
D. Fish tank

A

A. Fish pond

34
Q

A type of net in cages that holds the cultured stock.

A. Main net
C. Covering net
B. Predator net
D. Jump net

A

A. Main net

35
Q

This net in cage system keeps sea-borne predators away from the cultured stock to reduce predation. It
is placed outside the main net.

A. Main net
C. Covering net
B. Predator net
D. Jump net

A

B. Predator net

36
Q

This net in cage system is placed over the top of the cages to prevent birds landing, fouling, scavenging
and preying on cultured stock.

A. Main net
C. Covering net
B. Predator net
D. Jump net

A

C. Covering net

37
Q

This net in cage system projects vertically out of the water around the main net, preventing fish escaping.

A. Main net
C. Covering net
B. Predator net
D. Jump net

A

D. Jump net

38
Q

The scientific name of Nile tilapia is:

A. Tilapia niloticus
C. Oreochromis nilotica
B. Oreochromis niloticus
D. Tilapia niloticus

A

B. Oreochromis niloticus

39
Q

The scientific name of milkfish is:

A. Ephinephelus coioides
C. Chanos chanos
B. Oreochromis niloticus
D. Cyprinus carpio

A

C. Chanos chanos

40
Q

The scientific name of the giant tiger prawn is

A. Macrobrachium rosenbergii
C. Penaeus indicus
B. Penaeus vannamei
D. Penaeus monodon

A

D. Penaeus monodon

41
Q

The scientific name of catfish is

A. Clarias batrachus
C. Cyprinus carpio
B. Clarias macrocephalus
D. Clarias gariepinus

A

B. Clarias macrocephalus

42
Q

The scientific name of native catfish is

A. Clarias batrachus
C. Cyprinus carpio
B. Clarias macrocephalus
D. Clarias gariepinus

A

A. Clarias batrachus

43
Q

The scientific name of African catfish is

A. Clarias batrachus
C. Cyprinus carpio
B. Clarias macrocephalus
D. Clarias gariepinus

A

D. Clarias gariepinus

44
Q

The scientific name of seaweed is

A. Kappaphycus
C. Chanos chanos
B. Aristichthys nobilis
D. Oreochromis niloticus

A

A. Kappaphycus

45
Q

The scientific name of bighead carp is

A. Kappaphycus
C. Chanos chanos
B. Aristichthys nobilis
D. Oreochromis niloticus

A

B. Aristichthys nobilis

46
Q

Scylla serrata is the scientific name of:

A. Slipper cupped oyster
C. Giant clam
B. Green mussel
D. Mud crab

A

D. Mud crab

47
Q

Perna viridis is the scientific name of:

A. Slipper cupped oyster
C. Giant clam
B. Green mussel
D. Mud crab

A

B. Green mussel

48
Q

Crassostrea iredalei is the scientific name of:

A. Slipper cupped oyster
C. Giant clam
B. Green mussel
D. Mud crab

A

A. Slipper cupped oyster

49
Q

Litopenaeus vannamei is the scientific name of:

A. Pacific white shrimp or whiteleg shrimp
C. Giant freshwater prawn or river prawn
B. Slipper cupped oyster
D. Giant tiger prawn

A

A. Pacific white shrimp or whiteleg shrimp

50
Q

Macrobrachium rosenbergii is the scientific name of:

A. Pacific white shrimp or whiteleg shrimp
C. Giant freshwater prawn or river prawn
B. Slipper cupped oyster
D. Giant tiger prawn

A

C. Giant freshwater prawn or river prawn

Area 2 (12 decks)

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