Which of the following best describes the term, macronutrient?

Nutrients that are needed in large quantities.

Nutrients that are chiefly responsible for vegetative growth and development.

Nutrients that are needed in small quantities.

Nutrients that are responsible for promoting stem elongation and stem strength.

Which of the following best describes the term, photoperiod?

The period of time that an organism receives daylight.

The period of time that an organism receives irrigation.

The strength of light that an organism receives.

The process of absorbing visible light to create glucose.

Which of the following best describes a DNP (Day - Neutral Plant)?

A plant whose flowering response is not impacted by light intensity.

A plant that flowers when it experiences day light conditions of greater than 12 hours.

A plant that flowers when it experiences day light conditions less than 12 hours.

A plant that flowers under high temperature conditions.

The three numbers on the front of a fertilizer bag represent the fertilizer's analysis. What does a fertilizer analysis tell the purchaser?

The percentage of N, P, and K found in the fertilizer's composition.

The percentage of organic matter, mineral matter, and perlite found in a fertilizer.

The percentage of Ca, Mg, and S found in the fertilizer's composition.

The ratio of N to K found in the fertilizer.

Clemson Extension recommends using a 22 - 23 - 4 fertilizer for your newly established Fescue lawn. What does the number 23 represent?

The percentage of Phosphorus (P) found in the bag of fertilizer.

The percentage of Potassium (K) found in the bag of fertilizer.

The lbs of Nitrogen (N) found in the bag of fertilizer.

The amount of gluten - free noxious weeds in the bag of fertilizer.

Which of the following best describes the term, permeability?

The ease with which air and water moves through the soil profile.

The ability of the soil to retain nutrients.

Why is 6.0 to 7.0 the ideal pH range?

It's the pH where most nutrients are available for plants to use.

It's the pH where coarse soils increase their permeability the most.

It's the pH that is most suitable for microorganism activity.

Check all of the following statements that are TRUE as it describes coarse soils. Be sure to check THREE answer choices.

Higher water - holding capacity

Check all of the following ways that plants use water to function. Be sure to check THREE answer choices.

Transport nutrients and sugars throughout the plant.

Used to undergo the transpiration process.

Needed to allow photosynthesis to occur.

Used to undergo the respiration process.

Solidifies the plant's root system.

Plant Growth Factors Unit Practice Test Quiz

46 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which nutrient is responsible for root growth and development?

Nitrogen (N)

Phosphorus (P)

Calcium (Ca)

Potassium (K)

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which plant hormone hastens the ripening of fruit?

Gibberellins

Ethylene

Auxins

Cytokinins

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which plant nutrient is responsible for the formation of chlorophyll and the quick "greening up" effect on plants?

Magnesium (Mg)

Iron (Fe)

Sulfur (S)

Potassium (K)

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of the following best describes the term, hardiness?

The ability of a plant to withstand high temperatures.

The ability of a plant to withstand cold temperatures.

The ability of a soil to retain water.

The ease with which air and water move through the soil profile.

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

All of the following are symptoms of plants receiving less than optimal sunlight EXCEPT ______.

Compact growth

Dull colored leaves

Slow growing plants

Stretching

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of the following best describes the term, water - holding capacity?

The ease with which water and air move through the soil.

The ability of the soil to retain water.

The ease with which a soil may be tilled after a rain event.

All of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Growth - regulating substances in plants are known as __________________.

Allelopathy

PGRs

Inhibitors

Pinching

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Plant Growth Factors Unit Practice Test

Which nutrient is responsible for root growth and development?

Which plant hormone hastens the ripening of fruit?

Which plant nutrient is responsible for the formation of chlorophyll and the quick "greening up" effect on plants?

Which of the following best describes the term, hardiness?

All of the following are symptoms of plants receiving less than optimal sunlight EXCEPT ______.

Which of the following best describes the term, water - holding capacity?

Growth - regulating substances in plants are known as __________________.

Carbon dioxide is needed for which plant process?

All of the following are examples of how blue light impacts plant growth EXCEPT ________________.

Which nutrient is responsible for promoting vegetative growth (leaves / stems)?

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