Virginia Commercial Pesticide Applicator 3A Exam Newest / Virginia Commercial Pesticide
Applicator 3A Exam Preparation/Virginia Commercial Pesticide Applicator 3A Practice Exam With
Complete 100 Questions And Correct Answers| Brand New Versi
- Drought
- Heavy rains
- Heavy winds
- Extreme temperatures
- Late frosts
- Ice and snow
- Air pollution
- Mechanical injury and soil compaction
- Exposure to chemicals (road salt)
- Heat island effect - (ANSWER)List at least 6 stress factors that can harm plants growing outdoors
- Temperature fluctuation from HVAC
- Low humidity
- Dust
- Low light or high variation in light exposure
- Drafts
- Exposure to spills or cleaning compounds - (ANSWER)Name 4 stress factors that can harm plants
growing indoors
Light, air, moisture, and nutrients - (ANSWER)What are the basic needs of plants?
- Temperature
- light
- relative humidity
- soil moisture
- availability of essential minerals - (ANSWER)Name 4 environmental factors that effect plant growth
- Lack of root space
, Virginia Commercial Pesticide Applicator 3A Exam Newest / Virginia Commercial Pesticide
Applicator 3A Exam Preparation/Virginia Commercial Pesticide Applicator 3A Practice Exam With
Complete 100 Questions And Correct Answers| Brand New Versi
- Lack of rainfall
- Insufficient irrigation - (ANSWER)What abiotic factors may lead to drought stress?
55-90 degrees - (ANSWER)What is the ideal temperature range for indoor plants?
Low temperatures slow growth and chilling injuries. High temperatures result in wilting and use of food
stores. Temperature fluctuations cause shock. - (ANSWER)What do drastic temperatures do to plants?
Measures of accumulated heat. Degree days help predict the development timelines of insects, weeds,
or diseases. - (ANSWER)What are degree days?
More light = more growth
More growth = more water required - (ANSWER)What is the relationship between how much light a
plant receives and the amount of water that it needs?
Wilting, decreased food production, browning of leaf margins, scorched leaves, and dull foliage -
(ANSWER)What negatives are caused by low humidity?
To allow roots to take in oxygen and give off carbon dioxide - (ANSWER)Why do plants need pore spaces
in growing media?
Macronutrients are chemical elements that plants need in relatively large amounts. Micronutrients are
elements needed in smaller amounts. Both are necessary for good nutrition and health - (ANSWER)What
is the difference between macro- and micronutrients?
To supplement mineral nutrients needed for growth - (ANSWER)Why do plants need fertilizers?
- Crust of fertilizer on the surface of the soil
- Yellowing/wilting leaves
- Browing of leaf tips/margins
- Leaf spot
Applicator 3A Exam Preparation/Virginia Commercial Pesticide Applicator 3A Practice Exam With
Complete 100 Questions And Correct Answers| Brand New Versi
- Drought
- Heavy rains
- Heavy winds
- Extreme temperatures
- Late frosts
- Ice and snow
- Air pollution
- Mechanical injury and soil compaction
- Exposure to chemicals (road salt)
- Heat island effect - (ANSWER)List at least 6 stress factors that can harm plants growing outdoors
- Temperature fluctuation from HVAC
- Low humidity
- Dust
- Low light or high variation in light exposure
- Drafts
- Exposure to spills or cleaning compounds - (ANSWER)Name 4 stress factors that can harm plants
growing indoors
Light, air, moisture, and nutrients - (ANSWER)What are the basic needs of plants?
- Temperature
- light
- relative humidity
- soil moisture
- availability of essential minerals - (ANSWER)Name 4 environmental factors that effect plant growth
- Lack of root space
, Virginia Commercial Pesticide Applicator 3A Exam Newest / Virginia Commercial Pesticide
Applicator 3A Exam Preparation/Virginia Commercial Pesticide Applicator 3A Practice Exam With
Complete 100 Questions And Correct Answers| Brand New Versi
- Lack of rainfall
- Insufficient irrigation - (ANSWER)What abiotic factors may lead to drought stress?
55-90 degrees - (ANSWER)What is the ideal temperature range for indoor plants?
Low temperatures slow growth and chilling injuries. High temperatures result in wilting and use of food
stores. Temperature fluctuations cause shock. - (ANSWER)What do drastic temperatures do to plants?
Measures of accumulated heat. Degree days help predict the development timelines of insects, weeds,
or diseases. - (ANSWER)What are degree days?
More light = more growth
More growth = more water required - (ANSWER)What is the relationship between how much light a
plant receives and the amount of water that it needs?
Wilting, decreased food production, browning of leaf margins, scorched leaves, and dull foliage -
(ANSWER)What negatives are caused by low humidity?
To allow roots to take in oxygen and give off carbon dioxide - (ANSWER)Why do plants need pore spaces
in growing media?
Macronutrients are chemical elements that plants need in relatively large amounts. Micronutrients are
elements needed in smaller amounts. Both are necessary for good nutrition and health - (ANSWER)What
is the difference between macro- and micronutrients?
To supplement mineral nutrients needed for growth - (ANSWER)Why do plants need fertilizers?
- Crust of fertilizer on the surface of the soil
- Yellowing/wilting leaves
- Browing of leaf tips/margins
- Leaf spot
