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Hydroponics for Beginners

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

What is hydroponics?

a)

Art of growing plants in air?

b)

Art of growing plants in soil?

c)

Art of legalizing use of plants....

d)

Art of soil-less growing?

2.

What is needed for plants to survive?

a)

Chips, pop, windex

b)

A grandmother

c)

Water, sunlight, air, nutrients, anchorage

d)

Dirt

3.

What is an example(s) of growing media?

a)

packing pnuts,

b)

green squishy stuff, white floating boards

c)

rockwool, lava rocks, styrofoam, sand, gravel

d)

ashes, leaves, decaying matter

4.

When was the earliest documentation of Hydroponics?

a)

Chinese-rice

b)

Egyptians-floating gardens

c)

Americans-cannibis

d)

Dinosaurs-algae

5.

What are the 5 advantages of using Hydroponics?

a)

Growth and Quality

b)

No weeds/pests, smaller growing area, and grow any condition

c)

Easier to maintain

d)

Cost and maintenance

6.

Disadvantages of using Hydroponics

a)

Grow in any condition

b)

It's legal

c)

Cost, expertise, daily attention

d)

Diseases spread, specially formulated nutrients, production

7.

What is a Passive System?

a)

Moving parts, bells, and whistles

b)

No moving parts, portable

c)

Easy going laid back system

d)

Uptight, defensive, angry system

8.

Example of Passive system?

a)

Channel system

b)

Wick system

c)

Fish tank with real fish

d)

Bucket system

9.

What is an Active System?

a)

Moving parts, pumps, moving nutrients

b)

No moving parts, lazy, non complicated

c)

Energetic, loud

d)

Runs on batteries

10.

Example of Active System could be?

a)

All answers are probable

b)

Tilapia tank, pond, ocean

c)

TNF system, Bucket system, spill and drain

d)

Dutch Bucket System, NFT-Channel System, Flood and Drain

11.

Which of the following are most recommended lights?

a)

Metal Halide, High Pressure Sodium

b)

LED, Fluorescent

c)

Your buddies cell phone

d)

Flashlight

12.

On a pH scale, acidic range is?

a)

1-14

b)

8-14

c)

7.0

d)

1-6

13.

pH scale; Basic range is considered?

a)

1-6

b)

1-14

c)

8-14

d)

6.5

14.

Ideal pH range for Lettuce?

a)

Lettuce doesn't have a range

b)

pH 14

c)

pH 7.0

d)

pH 4.0

15.

Which of the following are Macronutrients?

a)

Manganese, Iron, Copper, Nitrogen

b)

Sulfur, Calcium, Magnesium

c)

Potassium, Nitrogen, Phosphorus

d)

Iron, Calcium, Nitrogen

16.

Which of the following are micronutrients?

a)

Carbon, Hydrogen, Oxygen,

b)

Boron, Chlorine, Zinc, Copper

c)

Molybdenum, Iron, Manganese

d)

Calcium, Sulfur, Potassium

17.

Hydroponics is ....

a)

Growing plants without soil

b)

Growing plants at nighttime

c)

Growing plants without water

d)

Growing plants on a farm

18.

What do seeds need to grow?

a)

Food, Soil, Gravity, a Pot

b)

Water, Soil, Nutrients, Warmth

c)

Food, Water, Soil, Gravity

d)

Food, Water, Nutrients, Warmth

19.

What is another word for "substrate"?

a)

Substitute

b)

Medium

c)

Roots

d)

Plants

20.

What is a substrate?

a)

The nutrients added to water

b)

The source of heat for the plant

c)

Holds the plant in place to grow

d)

The type of seed used

21.

What is a negative impact of traditional farming?

a)

Runoff from fertilizer pollutes water

b)

Takes up a lot of space

c)

Energy used for equipment leads to climate change

d)

All of the above

22.

What is a benefit of hydroponics?

a)

You can control the nutrients in the plant

b)

Takes up a lot of space

c)

Uses a lot of non-renewable resources

d)

Needs more pesticides

23.

What is a benefit of hydroponics?

a)

More work than traditional farming

b)

Requires more soil

c)

Grows smaller plants

d)

You can grow plants year round

24.

Which of the following are key macronutrients?

a)

Iron, Copper, Manganese

b)

Sulfur, Calcium, Nitrogen

c)

Gold, Silver, Copper

d)

Iron, Carbon, Nitrogen

25.

Hydroponics reduces....

a)

Disease

b)

Pesticides

c)

Space

d)

All of the above

26.

What does hydroponics recycle? (Check ALL that apply)

a)

Water

b)

Nutrients

c)

Seeds

d)

Soil