Hydroponics PRE-ASSESSMENT

Front

What is hydroponics?

Back

Growing plants in a liquid nutrient solution with or without artificial media

Front

Which of the following is NOT a commonly used medium in hydroponics? Options: Expanded clay, Coir, Perlite, Topsoil

Back

Topsoil

Front

Who first used the term 'hydroponics' and when?

Back

Dr. Gericke in 1929

Front

Which is NOT listed as an advantage of hydroponics? Options: Faster plant growth, Higher crop yields, Lower initial costs, No weeding required

Back

Lower initial costs

Front

What is a disadvantage of hydroponics?

Back

Higher initial and operational costs

Front

Which of these is NOT a type of liquid hydroponic system mentioned? Options: Nutrient film technique (NFT), Deep water culture, Aeroponics, Soil-based hydroponics

Back

Soil-based hydroponics

Front

What material is rockwool made from?

Back

Ground-up basalt rock

Front

In a passive hydroponic system, how is water drawn to the plant roots?

Back

By capillary action

Front

Which hydroponic system is described as the simplest of all active systems? Options: Wick System, Water Culture System, Ebb and Flow System, Drip System

Back

Water Culture System

Front

In the Ebb and Flow System, what controls the flooding and draining of the grow tray?

Back

A timer