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Horticulture Today - Unit 12

Total questions: 38

Worksheet time: 25mins

Name
Class
Date
1.

Which of the following is a macronutrient?

a)

manganese

b)

molybdenum

c)

nich=kel

d)

potassium

2.

Which of the following is NOT a micronutrient?

a)

boron

b)

calcium

c)

chlorine

d)

copper

3.

Which macronutrient is responsible for the plant's ability to form green chlorophyll molecules?

a)

nitrogen

b)

potassium

c)

phosphorous

d)

sulfur

4.

Which macronutrient plays a crucial role in photosynthesis and respiration?

a)

nitrogen

b)

potassium

c)

phosphorous

d)

sulfur

5.

Which micronutrient is a component of cell walls and is involved in DNA and RNA synthesis?

a)

boron

b)

chlorine

c)

iron

d)

manganese

6.

Which micronutrient becomes unavailable at high pH levels?

a)

boron

b)

chlorine

c)

iron

d)

manganese

7.

Which of the following is the process of soil-dwelling bacteria oxidizing ammonium ions?

a)

ammonification

b)

assimilation

c)

denitrification

d)

nitrification

8.

Cover crops that are planted in fields to improve soil structure, minimize erosion, and add nutrients are an example of which organic material?

a)

animal wastes

b)

green manures

c)

industrial and municipal wastes

d)

plant residues

9.

Which of the following is a method of fertilizer application in which water-soluble fertilizers are distributed through irrigation?

a)

banding

b)

broadcasting

c)

fertigation

d)

side-dressing

10.

Fertilizers that contain nitrogen, potassium, and phosphorous are known as ____________.

a)

complete fertilizers

b)

fertilizer grades

c)

slow-release fertilizers

d)

superphosphates

11.

Banding is a fertilizer application method that applies fertilizers between rows of young plants.

a)

true

b)

false

12.

Fertilizers that release nutrients over an extended period of time are called slow-release fertilizers.

a)

true

b)

false

13.

The ratio of a fertilizer is the proportion of nitrogen to potash to phosphate.

a)

true

b)

false

14.

Chlorine's role in plants is not fully understood.

a)

true

b)

false

15.

Copper is a macronutrient.

a)

true

b)

false

16.

The process in which nitrogen gas reacts with hydrogen gas to form ammonia is called ammonification.

a)

true

b)

false

17.

Plant tissue analysis offers a method for testing nutrient levels in a plant.

a)

true

b)

false

18.

Nutrient ions have only positive charges.

a)

true

b)

false

19.

Fertilizer calculations consider the recommended rate of application per given square acreage.

a)

true

b)

false

20.

Most inorganic nutrients are absorbed through the roots as ions in the soil solution.

a)

true

b)

false

21.

The process of nitrogen mineralization, and the first stage of the nitrogen cycle, is called __________.

a)

ammonification

b)

assimilation

c)

residues

d)

composting

22.

The formation of organic nitrogen compounds from inorganic nitrogen compounds present in the environment is called ____________.

a)

ammonification

b)

assimilation

c)

residues

d)

composting

23.

The stalks, leaves, vines, and other parts left behind in a field and used as organic material to add nutrients to soil are called plant _________.

a)

composting

b)

residues

c)

assimilation

d)

tilth

24.

Using naturally occurring microorganisms to break down organic materials into useful soil amendments is called ____________.

a)

composting

b)

residues

c)

tilth

d)

grade

25.

The term used to describe soil quality for plant growth is soil _________.

a)

tilth

b)

inorganic

c)

grade

d)

injection

26.

Fertilizers that are developed from materials other than plants and animals are termed _______________ fertilizers.

a)

tilth

b)

inorganic

c)

injection

d)

banding

27.

The guaranteed analysis of a fertilizer is known as the fertilizer _____________.

a)

injection

b)

tilth

c)

banding

d)

grade

28.

Placing anhydrous ammonia in a liquid form into the soil near the plant roots is called soil ____________.

a)

injection

b)

banding

c)

potassium

d)

grade

29.

Spreading fertilizer in bands of lines where developing roots will easily reach the fertilizer is called _____________.

a)

tilth

b)

banding

c)

ammonification

d)

composting

30.

Salt mines that extract crude or relatively pure salts are a source of the macronutrient _____________.

a)

potassium

b)

phosphorous

c)

iron

d)

nitrogen

31.

Catalyzer and component of plant enzymes; electron carrier in photosynthesis; necessary for chlorophyll and lignin synthesis.

a)

boron

b)

chlorine

c)

copper

d)

iron

32.

Plays a role in tryptophan synthesis, photosynthesis, and crop stress protection; important for fruit, seed, and root system development.

a)

nickel

b)

oxygen

c)

zinc

d)

molybdenum

33.

Involved in phosphorous metabolism and nitrogen fixing.

a)

copper

b)

iron

c)

manganese

d)

molybdenum

34.

Normal plant growth and development; component of cytochromes.

a)

boron

b)

chlorine

c)

copper

d)

iron

35.

Component of cell walls; involved in DNA and RNA synthesis.

a)

boron

b)

chlorine

c)

copper

d)

iron

36.

Function not fully understood; supports root development.

a)

boron

b)

chlorine

c)

copper

d)

iron

37.

Activates enzymatic processes and is part of some enzymes.

a)

manganese

b)

nickel

c)

iron

d)

zinc

38.

Contained in the enzyme urease in legumes; necessary to convert urea to ammonia.

a)

copper

b)

boron

c)

nickel

d)

iron