BSC 196 Exam #3 Questions And Answers
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What are the different organs that are found in plants? - ANS Roots, Stems, and Leaves
(Shoots)
What are the different tissues that are found in plants? - ANS -Dermal (blue)
-Vascular (purple)
-Ground (yellow)
What are the different cell types that are found in plants? - ANS -Parenchyma
-Collenchyma
-Sclerenchyma
-Water-conducting cells of the xylem
-Sugar-conducting cells of the phloem
What is the function of each organ found in plants? - ANS -Roots = Anchor the plant, absorb
minerals and water, store carbohydrates
-Stems = Move nutrients upward
-Leaves = Intercept light, Exchange gases, Dissipate heat, Defend the plant from herbivores and
pathogens
What is the function of each tissue found in plants? - ANS -Dermal = the epidermis (cuticle:
prevents water loss)
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-Vascular = Transports resources and provides mechanical support
-Ground = specialized for storage, photosynthesis, support, short-distance transport
What is the function of each cell type found in plants? - ANS -Parenchyma = Least
specialized, carry out most metabolic functions
-Collenchyma = Provide flexible support to growing parts of shoot
-Sclerenchyma = Provide rigid support, highly lignified, dead at maturity
-Water-conducting cells of the xylem = conduct water
-Sugar-conducting cells of the phloem = conduct sugars
What are meristems? - ANS Perpetually embryonic tissue and allow for indeterminate
growth
Where are meristems located? - ANS -Apical = the tips of roots and shoots
-Lateral = On the stems of the plant (vascular and cork cambium)
What is the meristems' function? - ANS -Apical = elongate shoots and roots, a process called
primary growth
-Lateral = add thickness to
woody plants, a process called secondary growth
What is primary and secondary growth? - ANS -Primary = When apical meristems elongate
shoots and roots
-Secondary = When lateral meristems add thickness to woody plants
What tissues are involved in each type of growth (primary and secondary)? - ANS -Primary =
Dermal and vascular
-Secondary = Vascular (cork and vascular cambium)