DYQ30102 CH 3 1

What is the primary concept behind aquaponics?

• Growing fish in open waters

• Growing vegetables in soil

• Combining aquaculture and hydroponics

• Using only fish for food production

Which of the following is an advantage of an aquaponics system?

• High initial cost

• Optimum space usage

• Difficult to grow root crops

• Requires no electricity

Which fish species is commonly used in aquaponics?

• Salmon

• Tilapia

• Goldfish

• Tuna

Which of the following is NOT a characteristic of fish in an aquaponic system?

• They have a short food chain

• They can tolerate stress and adverse conditions

• They are slow-growing

• They have good market value

What kind of growing media is NOT used in aquaponics?

• Clay aggregate

• Sand

• Perlite

• Charcoal

What is one of the disadvantages of aquaponics?

• It reduces water usage

• It requires no skill or experience

• It is easy to maintain

• Some materials are not easily available

What is a key characteristic of plants grown in aquaponics?

• They require high amounts of nutrients

• They tolerate adverse conditions

• They mature slowly

• They are difficult to manage

Which plant species is commonly grown in an aquaponics system?

• Lettuce

• Wheat

• Corn

• Beans

What is the role of growing media in an aquaponic system?

• Provide nutrients directly

• Keep roots stable and supported

• Control the pH levels of the water

• Replace the need for water circulation

Which of the following is a requirement for fish culture in aquaponics?

• pH meter

• Submersible pump

• Plant tray

• Growth media