Virginia Commercial Pesticide Applicator 3A Practice Exam With Complete
100 Questions And Correct Answers
- 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 - ANSWERList 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 - ANSWERName 4 stress factors
that can harm plants growing indoors
, Light, air, moisture, and nutrients - ANSWERWhat are the basic needs of
plants?
- Temperature
- light
- relative humidity
- soil moisture
- availability of essential minerals - ANSWERName 4 environmental factors
that effect plant growth
- Lack of root space
- Lack of rainfall
- Insufficient irrigation - ANSWERWhat abiotic factors may lead to drought
stress?
55-90 degrees - ANSWERWhat 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. -
ANSWERWhat do drastic temperatures do to plants?
Measures of accumulated heat. Degree days help predict the development
timelines of insects, weeds, or diseases. - ANSWERWhat are degree days?
More light = more growth
100 Questions And Correct Answers
- 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 - ANSWERList 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 - ANSWERName 4 stress factors
that can harm plants growing indoors
, Light, air, moisture, and nutrients - ANSWERWhat are the basic needs of
plants?
- Temperature
- light
- relative humidity
- soil moisture
- availability of essential minerals - ANSWERName 4 environmental factors
that effect plant growth
- Lack of root space
- Lack of rainfall
- Insufficient irrigation - ANSWERWhat abiotic factors may lead to drought
stress?
55-90 degrees - ANSWERWhat 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. -
ANSWERWhat do drastic temperatures do to plants?
Measures of accumulated heat. Degree days help predict the development
timelines of insects, weeds, or diseases. - ANSWERWhat are degree days?
More light = more growth
