1|Page
WSU BIOLOGY 106 EXAM 1 NEWEST 2025 ACTUAL
EXAM TEST BANK| COMPLETE 350 REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+| WSU BIOLOGY 106 EXAM 1
REVIEW (BRAND NEW!!)
What would you normally not find in the root?
a. endodermis
b. epidermis
c. pericycle
d. stomata
e. apical mersitem - Correct Answer - d. stomata
Phloem sap in contrast to xylem sap normally mainly contains
a. water and amino acids
b. water and sugar
c. sugar and minerals
d. water and minerals - Correct Answer - b. water and sugar
What does the majority of the dry weight of a plant body contain, and
where does it come from
a. water and soil
b. carbon and air
pg. 1
,2|Page
c. phosphate and photosynthesis
d. minerals and soil
e. oxygen and air - Correct Answer - b. carbon and air
Movement of the H20 through the cell wall happens in the...
a. apoplast
b. symplast
c. symplast and apoplast
d. tonoplast - Correct Answer - a. apoplast
As light intensity increases, the transpiration rate _______. The stomata
_______ to allow more carbon dioxide into the leaf for photosynthesis.
a. increases, close
b. decreases, open
c. decreases, close
d. increases, open - Correct Answer - d. increases, open
Which of the following ions can be difficult to take up for plants based
on its positive charge and interaction with soil?
a. calcium
b. sulfate
c. chloride
d. nitrate - Correct Answer - a. calcium
pg. 2
,3|Page
What are the three types of ground tissue?
a. vascular, parenchyma, and collenchyma
b. parenchyma, collenchyma, and dermal
c. collenchyma, parenchyma, and sclerenchyma
d. sclerenchyma, parenchyma, and meristem - Correct Answer - c.
collenchyma, parenchyma, and sclerenchyma
Pneumatophores are mainly good for what?
a. oxygen uptake
b. mineral release
c. phosphate uptake
d. stability
e. water repellent - Correct Answer - a. oxygen uptake
In a leaf, what cell type is mainly necessary for CO2 and water vapor
exchange with the atmosphere?
a. spongy mesophyll
b. palisade mesophyll
c. bundle sheath cells
d. guard cells
e. phloem cells - Correct Answer - d. guard cells
What part of a tree trunk contains the majority of the living cells?
pg. 3
, 4|Page
a. xylem
b. heartwood
c. bark
d. sapwood - Correct Answer - c. bark
What are the two key tissues that allow plants to transport water or
organic nutrients, respectively, over long distances?
a. xylem and bundle sheath cells
b. periderm and phloem
c. sclerenchyma
d. xylem and phloem
e. collenchyma and xylem - Correct Answer - d. xylem and phloem
A widely accepted explanation for transport of sugar in phloem is
called...
a. root pressure theory
b. transpiration
c. pressure flow hypothesis
d. cytoplasmic streaming - Correct Answer - c. pressure flow hypothesis
A plant is withering away due to the lack of a macronutrient that is an
essential part of proteins. What macronutrient could be added to the soil
to help with plant growth?
pg. 4
WSU BIOLOGY 106 EXAM 1 NEWEST 2025 ACTUAL
EXAM TEST BANK| COMPLETE 350 REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+| WSU BIOLOGY 106 EXAM 1
REVIEW (BRAND NEW!!)
What would you normally not find in the root?
a. endodermis
b. epidermis
c. pericycle
d. stomata
e. apical mersitem - Correct Answer - d. stomata
Phloem sap in contrast to xylem sap normally mainly contains
a. water and amino acids
b. water and sugar
c. sugar and minerals
d. water and minerals - Correct Answer - b. water and sugar
What does the majority of the dry weight of a plant body contain, and
where does it come from
a. water and soil
b. carbon and air
pg. 1
,2|Page
c. phosphate and photosynthesis
d. minerals and soil
e. oxygen and air - Correct Answer - b. carbon and air
Movement of the H20 through the cell wall happens in the...
a. apoplast
b. symplast
c. symplast and apoplast
d. tonoplast - Correct Answer - a. apoplast
As light intensity increases, the transpiration rate _______. The stomata
_______ to allow more carbon dioxide into the leaf for photosynthesis.
a. increases, close
b. decreases, open
c. decreases, close
d. increases, open - Correct Answer - d. increases, open
Which of the following ions can be difficult to take up for plants based
on its positive charge and interaction with soil?
a. calcium
b. sulfate
c. chloride
d. nitrate - Correct Answer - a. calcium
pg. 2
,3|Page
What are the three types of ground tissue?
a. vascular, parenchyma, and collenchyma
b. parenchyma, collenchyma, and dermal
c. collenchyma, parenchyma, and sclerenchyma
d. sclerenchyma, parenchyma, and meristem - Correct Answer - c.
collenchyma, parenchyma, and sclerenchyma
Pneumatophores are mainly good for what?
a. oxygen uptake
b. mineral release
c. phosphate uptake
d. stability
e. water repellent - Correct Answer - a. oxygen uptake
In a leaf, what cell type is mainly necessary for CO2 and water vapor
exchange with the atmosphere?
a. spongy mesophyll
b. palisade mesophyll
c. bundle sheath cells
d. guard cells
e. phloem cells - Correct Answer - d. guard cells
What part of a tree trunk contains the majority of the living cells?
pg. 3
, 4|Page
a. xylem
b. heartwood
c. bark
d. sapwood - Correct Answer - c. bark
What are the two key tissues that allow plants to transport water or
organic nutrients, respectively, over long distances?
a. xylem and bundle sheath cells
b. periderm and phloem
c. sclerenchyma
d. xylem and phloem
e. collenchyma and xylem - Correct Answer - d. xylem and phloem
A widely accepted explanation for transport of sugar in phloem is
called...
a. root pressure theory
b. transpiration
c. pressure flow hypothesis
d. cytoplasmic streaming - Correct Answer - c. pressure flow hypothesis
A plant is withering away due to the lack of a macronutrient that is an
essential part of proteins. What macronutrient could be added to the soil
to help with plant growth?
pg. 4
