Module II Pretest: Definition of Terms

Fill in the blank: ________ are animals that feed on the cultured fish.

• Predators

• Herbivores

• Omnivores

• Scavengers

Fill in the blank: ________ is a pH reading below 7.

• Acidic

• Basic

• Neutral

• Alkaline

Fill in the blank: ________ refers to polyethylene nets, polypropylene nets, and nylon nets sewn together to enclose a fish pen.

• Net assembly

• Fish cage

• Fish trap

• Gill net

Fill in the blank: ________ is the hydrogen ion concentration expressed in terms of acidity and alkalinity of the soil and water.

• pH

• TDS

• EC

• DO

Fill in the blank: ________ is an alkaline substance to reduce and neutralize the acidity of soil and water.

• Lime

• Sand

• Clay

• Peat

According to the module 'Preparing the Pond', what is the first step in preparing a fishpond?

• Elimination of fish predators

• Draining the pond until it cracks

• Application of pesticides

• Stocking the pond with fish

Which of the following is NOT a procedure in draining the pond until it cracks?

• Open gates during low tide

• Check and repair leakages and seepages

• Add fish food to the pond

• Allow the pond bottom to dry until it cracks

Fill in the blank: Pond poisoning or pesticides application is recommended to be sure that all predators and unwanted species are _________.

• eliminated

• fed

• protected

• encouraged

Which of the following is an objective of pond poisoning or pesticide application?

• To eradicate fish pest, predators and competitors

• To increase water temperature

• To add nutrients to the pond

• To reduce pond size

Kinds of pesticides used in pond preparation include:

• Organic and Chemical

• Physical and Chemical

• Biodegradable and Non-biodegradable

• Organic and Physical