What is hydroponics?, Growing plants in sand, Growing plants without soil, Growing plants underwater, Growing plants in pots only, What do hydroponic plants use instead of soil?, Rocks only, Air only, Nutrient-rich water, Fertilizer only , Which of the following is an advantage of hydroponics?, Uses more water than soil farming, Requires large farmland, Faster plant growth, No need for nutrients, Which vegetable is commonly grown hydroponically?, Lettuce, Mango, Rambutan, Coconut, What is the main purpose of nutrient solution in hydroponics?, To color the water, To feed the plants, To cool the plants, To clean the roots, Why is clean water important in hydroponics?, To make plants taller instantly, To prevent diseases and ensure healthy growth, To change leaf color, To reduce sunlight, Hydroponics is suitable for:, Urban areas with limited space, Deserts only, Mountains only, Forests only.

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