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Plant Nutrients for Growth

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

How many essential nutrients are there for plants?

a)

6

b)

16

c)

7

d)

17

2.

What nutrient is essential for new plant growth and chlorophyll synthesis?

a)

Sulfur

b)

Potassium

c)

Nitrogen

d)

Calcium

3.

_________promotes root development and early seedling growth

a)

Nitrogen

b)

Potassium

c)

Phosphorus

d)

Iron

4.

Plants lacking _______are also more susceptible to pests and diseases

a)

Potassium

b)

Nitrogen

c)

Magnesium

d)

Sulfur

5.

N-P-K stands for what?

a)

Nitrogen-Potassium-Phosphorus

b)

Nickle-Phosphorus-Potassium

c)

Nitrogen-Phosphorus-Potassium

d)

Need-Plants-Know

6.

Which is a non- fertilizer element?

a)

Nitrogen

b)

Hydrogen

c)

Calcium

d)

Magnesium

7.

What does macro mean?

a)

Tiny

b)

Small

c)

Large

d)

Little

8.

This plant is showing what deficiency?

a)

Nitrogen

b)

Potassium

c)

Phosphorus

d)

Calcium

9.

What nutrient is deficient in this plant?

a)

Phosphorus

b)

Nitrogen

c)

Calcium

d)

Potassium

10.

Scorching on the margin is a sign of what deficiency?

a)

Potassium

b)

Nitrogen

c)

Phosphorus

d)

Boron

11.

What is this medium?

a)

Vermiculite

b)

Perlite

c)

Peat Moss

d)

Lime

12.

_____helps with water holding capacity

a)

perlite

b)

vermiculite

c)

peat moss

d)

gold

13.

What does Micro mean?

a)

big

b)

large

c)

small

d)

gigantic

14.

Which is an example of a non-fertiliser, soil conditioner?

a)

Super phophate

b)

Urea

c)

Seasol

d)

Potash

15.

Plants can get their nutrients from?

a)

Source water

b)

air

c)

soil

d)

All of the suggestions

16.

Which nutrient is NOT a macronutrient (major)?

a)

nitrogen

b)

boron

c)

phosphorous

d)

potassium

17.

Which is an example of a non-mineral, essential nutrient?

a)
Iron
b)
Calcium
c)

Oxygen

d)

magnesium

18.

Humans require some of the same nutrients as plants.

a)

true

b)

false

19.

Livestock manure is considered a

a)

soil conditioner

b)

inorganic fertiliser

c)

mulch

20.

Fertiliser can be in the following forms.....

a)

liquid

b)

granular

c)

powder

d)

all of the above