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Introduction to Hydroponics

Total questions: 15

Worksheet time: 3mins

Name
Class
Date
1.

Ebb and flow is also known as flood and drain method of hydroponic gardening simply allows all the plants in the garden to be fed the same amount of nutrient solution at the same time.

a)

TRUE

b)

False

2.

Most commercial hydroponic growers combine hydroponic technology with a controlled environment to achieve the highest quality produce.

a)

TRUE

b)

FALSE

3.

In hydroponics, plant spacing can be intensive, allowing you to grow more plants in a given space than soil grown produce.

a)

TRUE

b)

FALSE

4.

By providing the exact nutrients your plants need, they will grow more rapidly and produce bigger yields.

a)

TRUE

b)

FALSE

5.

If you are growing indoors or in a greenhouse, you can grow your hydroponic plants on a year round basis.

a)

TRUE

b)

FALSE

6.

Perlite is derived from volcanic rock which has been heated to extremely low temperatures.

a)

TRUE

b)

FALSE

7.

Expanded clay pebbles have a high pH and excellent capillary action.

a)

TRUE

b)

FALSE

8.

Peat moss is fresh fibrous material that forms when mosses and other living material decompose in peat bogs.

a)

TRUE

b)

FALSE

9.

Ideal media are physically inertial, porous, clean and free to drain.

a)

TRUE

b)

FALSE

10.

Sand can be used as alternative medium for hydroponics.

a)

TRUE

b)

FALSE

11.

In a Drip system, the nutrient solution is delivered to the plants through drip emitters on a timed system.

a)

TRUE

b)

FALSE

12.

A Passive system is generally faster growing and as intensive as the other systems discussed.

a)

TRUE

b)

FALSE

13.

NFT is ideal for long term crops.

a)

TRUE

b)

FALSE

14.

Hydroponics means growing plants in a water and nutrient solution, without soil.

a)

TRUE

b)

FALSE

15.

By eliminating the soil in a garden, you eliminate all soil borne disease.

a)

TRUE

b)

FALSE