HIGHPRIO.12

Question 1

The scientific name of Nile tilapia is:
a. Tilapia niloticus
b. Oreochromis niloticus
c. Oreochromis nilotica
d. Tilapia niloticus

Answer 1

b. Oreochromis niloticus

Question 2

The scientific name of milkfish is:
a. Ephinephelus coioides
b.Oreochromis niloticus
c. Chanos chanos
d. Cyprinus carpio

Answer 2

c. Chanos chanos

Question 3

The scientific name of the giant tiger prawn is:
a. Penaeus vannamei (whiteleg shrimp)
b. Macrobrachium rosenbergii
c. Penaeus indicus
d. Penaeus monodon

Answer 3

d. Penaeus monodon

Question 4

A seaweed that is mainly produced in the country is:
a. Kappaphycus
b.Kelp
c. Nori
d. Aristichthys

Answer 4

a. Kappaphycus

Question 5

The most dominant species cultured in brackishwater in the country are:
a. Oyster and mussels
b. Milkfish and shrimp
c. Mudcrab and grouper
d. Tilapia and milkfish

Answer 5

b. Milkfish and shrimp

Question 6

The Philippines ranks as the world’s second largest producer of:
a. Shrimp
b. Milkfish
c. Sea cucumber
d. Seaweeds

Answer 6

d. Seaweeds

Question 7

The height of the levee from the water surface to the top of the levee is called:
a. Dike height
b. Freeboard
c. Side slope
d. Fetch

Answer 7

b. Freeboard

Question 8

This is provided in a pipe drain to prevent seepage:
a. Core trench
b. Freeboard
c. Collar
d. Frame

Answer 8

c. Collar

Question 9

Conservation of energy is often applied in practice as
a. Pascal Law
b. Torrecelli Theorem
c. Darcy Equation
d. Bernoullis Equation

Answer 9

d. Bernoullis Equation

Question 10

These two culture systems in open water are considered as enclosure culture systems:
a. Raceways and ponds
b. Pens and cages
c. Ponds and cages
d. Raceways and pens

Answer 10

b. Pens and cages

Question 11

Flow energy is sometimes expressed as
a. Velocity head
b. Pressure head
c. Elevation head
d. NOTA

Answer 11

a. Velocity head

Question 12

The shear stress of the fluid times the slope of the velocity vectors is a constant called
a. Dynamic viscosity
b. Unit weight
c. Relative density
d. Compressive stress

Answer 12

a. Dynamic viscosity

Question 13

The attraction between like molecules is called
a. Adhesion
b. Cohesion
c. Tension
d. Repulsion

Answer 13

b. Cohesion

Question 14

A device for measuring atmospheric pressure
a. Barometer
b. Blower
c. Accumulator
d. Hydrometer

Answer 14

a. Barometer

Question 15

A container for storing a pressurized fluid
a. Barometer
b. Blower
c. Accumulator
d. Hydrometer

Answer 15

c. Accumulator

Question 16

A device to move a gas, generally at a higher rate and lower pressure than a fan does
a. Barometer
b. Blower
c. Accumulator
d. Hydrometer

Answer 16

b. Blower

Question 17

It is the right of each land owner along the stream which entitles him/her to have the water flow in its natural channel undermined in quantity and unpolluted in quality.
a. appropriation right
b. riparian right
c. water right
d. irrigation right

Answer 17

b. riparian right

Question 18

Drain layout for fields with relatively flat portions in the middle. m2/hr
a. herringbone
b. grid iron
c. double main
d. natural

Answer 18

c. double main

Question 19

The amount of water the soil profile will hold when all its pore spaces are filled up with water
a. Infiltration rate
b. Intake rate
c. Permeability
d. Saturation point

Answer 19

d. Saturation point

Question 20

The Scientific name for white potato:
a. Mahinot esculenta
b. Ipomoea batatas
c. Dioscorea alata
d. Solanum Tuberosum

Answer 20

c. Dioscorea alata

Question 21

What do you call the mountain side, with reference to the wind direction, in which the air mass passing through it is cold and dry?
a. Wayward
b. Trade wind
c. Windward
d. Leeward

Answer 21

d. Leeward

Question 22

Graphical representation of instantaneous runoff rate against time
a. hydrograph
b. monograph
c. log-probability graph
d. hyetograph

Answer 22

a. hydrograph

Question 23

A device used in measuring temperature based on some physical properties of materials
a. Tee
b. Thermistor
c. Thermocouple
d. Thermometer

Answer 23

d. Thermometer