Lesson 10 Hydroponics

Lesson 10 Hydroponics

Course book 33 Workbook 33

Multiple Choice

..........are needed by plants to help them grow.

• farming techniques

• nutrients

Multiple Choice

Different methods of farming are also known as .............

• farming techniques

• outdoors

Multiple Choice

Most traditional farming is done

• outdoors

• indoor

Multiple Choice

....................is the word we use for plants grown commercially for food.

• water management

• crop

Multiple Choice

In arid countries,.............. is very important

• water management

• farming techniques

Multiple Choice

Deciding how to organise planting and harvesting is called ..................

• crop management

• nutrients

Multiple Choice

The water used in hydroponics is high in ..........

• soil

• nutrients

Multiple Choice

................. is an example of an essential nutrient.

• Nitrogen

• water

Multiple Choice

Hydroponics uses ..............water than outdoor farming.

• less

• more

Multiple Choice

Farmers can grow more plants in .................. space in hydroponics.

• less

• more

Multiple Choice

Hydroponics is an............. way of producing crops.

• economical

• expensive

Open Ended

why hydroponics is useful in desert regions.