Plant Injury and Sensitivity to Air Pollutants Quiz

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How does the sensitivity of plants to air pollutants typically change as relative humidity increases?

It increases (correct)

It fluctuates

It remains constant

It decreases

What did MacLean et al. observe about gladiolus plants and fluoride sensitivity with changing relative humidity?

No correlation between fluoride sensitivity and relative humidity

Fluoride sensitivity was only observed at low humidity levels

Fluoride sensitivity increased with increasing relative humidity (correct)

Fluoride sensitivity decreased with increasing relative humidity

Under what light intensity range did sensitivity of pinto bean and tobacco to ozone exposure increase?

3000-4000 fc

900-4000 fc (correct)

1000-1500 fc

500-800 fc

At what light intensity level does full stomatal opening occur in plants?

1000 fc Signup and view all the answers

What is the general response of plants when exposed to pollutants in the dark?

They do not react to pollutants Signup and view all the answers

Why are living organisms seldom exposed to a single pollutant according to the text?

Living organisms are usually exposed to combinations of pollutants Signup and view all the answers

How do contaminants cause harm among both plants and animals?

By inhibiting their ability to thrive Signup and view all the answers

What term is used in human medicine to describe infants or young children who do not gain weight or develop as expected?

Failure to thrive Signup and view all the answers

What is the main impact of contaminant exposure on individual organisms?

Inhibiting their ability to thrive Signup and view all the answers

Which term is used to describe the alteration of hormone synthesis or action by contaminants?

Endocrine disruption (ED) Signup and view all the answers

What is a generalized way that contaminants cause harm among both plants and animals?

Inhibiting their ability to thrive Signup and view all the answers

How do investigators determine the impact of contaminants on animals that cannot communicate their feelings?

By observing signs rather than symptoms Signup and view all the answers

What has been shown to decrease the toxic effects of O3, NO2, and certain hydrocarbons in experimental mice?

Oil mists dissolving the gas and holding it in solution Signup and view all the answers

What is the most widely studied factor affecting plant response to air pollutants?

Genetic variation Signup and view all the answers

In plants, what is a function of genetic variability that influences their response to air pollutants?

Morphological, physiological, and biochemical characteristics Signup and view all the answers

How was the sensitivity to O3 of two onion cultivars shown to be controlled?

By a single gene pair Signup and view all the answers

Which plant species has long been recognized to be extremely sensitive to fluoride?

Gladiolus Signup and view all the answers

According to Engle and Gableman (1966), what happened to the stomata of the resistant onion cultivar after exposure to O3?

Closed with no appreciable injury Signup and view all the answers

Plant Injury and Sensitivity to Air Pollutants Quiz

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Questions and Answers

How does the sensitivity of plants to air pollutants typically change as relative humidity increases?

What did MacLean et al. observe about gladiolus plants and fluoride sensitivity with changing relative humidity?

Under what light intensity range did sensitivity of pinto bean and tobacco to ozone exposure increase?

At what light intensity level does full stomatal opening occur in plants?

What is the general response of plants when exposed to pollutants in the dark?

Why are living organisms seldom exposed to a single pollutant according to the text?

How do contaminants cause harm among both plants and animals?

What term is used in human medicine to describe infants or young children who do not gain weight or develop as expected?

What is the main impact of contaminant exposure on individual organisms?

Which term is used to describe the alteration of hormone synthesis or action by contaminants?

What is a generalized way that contaminants cause harm among both plants and animals?

How do investigators determine the impact of contaminants on animals that cannot communicate their feelings?

What has been shown to decrease the toxic effects of O3, NO2, and certain hydrocarbons in experimental mice?

What is the most widely studied factor affecting plant response to air pollutants?

In plants, what is a function of genetic variability that influences their response to air pollutants?

How was the sensitivity to O3 of two onion cultivars shown to be controlled?

Which plant species has long been recognized to be extremely sensitive to fluoride?

According to Engle and Gableman (1966), what happened to the stomata of the resistant onion cultivar after exposure to O3?

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Plant Injury and Sensitivity to Air Pollutants Quiz

Podcast Beta

Questions and Answers

How does the sensitivity of plants to air pollutants typically change as relative humidity increases?

What did MacLean et al. observe about gladiolus plants and fluoride sensitivity with changing relative humidity?

Under what light intensity range did sensitivity of pinto bean and tobacco to ozone exposure increase?

At what light intensity level does full stomatal opening occur in plants?

What is the general response of plants when exposed to pollutants in the dark?

Why are living organisms seldom exposed to a single pollutant according to the text?

How do contaminants cause harm among both plants and animals?

What term is used in human medicine to describe infants or young children who do not gain weight or develop as expected?

What is the main impact of contaminant exposure on individual organisms?

Which term is used to describe the alteration of hormone synthesis or action by contaminants?

What is a generalized way that contaminants cause harm among both plants and animals?

How do investigators determine the impact of contaminants on animals that cannot communicate their feelings?

What has been shown to decrease the toxic effects of O3, NO2, and certain hydrocarbons in experimental mice?

What is the most widely studied factor affecting plant response to air pollutants?

In plants, what is a function of genetic variability that influences their response to air pollutants?

How was the sensitivity to O3 of two onion cultivars shown to be controlled?

Which plant species has long been recognized to be extremely sensitive to fluoride?

According to Engle and Gableman (1966), what happened to the stomata of the resistant onion cultivar after exposure to O3?

More Quizzes Like This

Plant Function &amp; Structure Quiz

Parts of a Plant Cell Flashcards

Genetics and Plant Breeding Quiz

Plant Cell Walls Overview

Plant Function & Structure Quiz