PLSC 120 Final Exam questions well
answered graded A+
Bacteria, viruses, and fungi - correct answer ✔✔ What are the 3 main types of pathogens?
Family - correct answer ✔✔ Group of genera that share many characteristics
Genus - correct answer ✔✔ closely related plants of one or more species
Species - correct answer ✔✔ group of breeding individuals that produce similar individuals
Common name - correct answer ✔✔ a nonscientific term that may vary from region to region
Cultivars - correct answer ✔✔ artificially induced variation in species from selective breeding
Variety - correct answer ✔✔ naturally occurring variation in species
Plant Organelle - correct answer ✔✔ A tiny cell structure that carries out a specific function
within the cell
Cell wall - correct answer ✔✔ Provides cell structure surrounds plasma membrane
Central Vacuole - correct answer ✔✔ membrane-bound cavity used for storage/waste and
regulates turgor pressure
,Nitrogen, Phosphorous, Potassium, Sulfur, Calcium, and Magnesium - correct answer ✔✔ What
are the 6 macronutrients?
Iron, Manganese, Molybdenum, Zinc, Nickel, and Boron - correct answer ✔✔ Name 6
micronutrients
5.5-7.0 - correct answer ✔✔ What pH range is most nutrients available to plants?
Proplastid plastid - correct answer ✔✔ no fucntion immature
Leucoplast plastid - correct answer ✔✔ plastid that stores oils
Chloroplast plastid - correct answer ✔✔ plastids that do photosynthesis
Chloroplast - correct answer ✔✔ does photosynthesis in thylakoid membranes (chlorophyll)
surrounded by stroma
Chlorophyll - correct answer ✔✔ Green pigment in plants that absorbs light energy used to
carry out photosynthesis
Plant Tissues - correct answer ✔✔ Group of cells with specific functions
Dermal/Surface Tissue - correct answer ✔✔ Outermost cell layers to provide protection and
regulate gas exchange; sometimes water and nutrient uptake
Dermal tissue cell types - correct answer ✔✔ Trichomes, Root Hairs, Guard Cells, epidermal cell
Trichomes - correct answer ✔✔ Tiny, spikelike projections on some leaves for protection
, Root Hairs - correct answer ✔✔ water and nutrient uptake of plant
Plant Epidermal cell - correct answer ✔✔ nonspecialized dermal cells
Guard Cells - correct answer ✔✔ regulate opening and closing of stomata (push apart from
each other for gas exchange [surround stomatal opening])
Vascular tissue - correct answer ✔✔ transports water, nutrients, and sugar throughout the plant
Chromoplast plastid - correct answer ✔✔ plastids for pigments (color) & anthocyanins
carotenoids
Positive - correct answer ✔✔ Mineral nutrients have a ___________ charge.
High CEC - correct answer ✔✔ Low or High CEC: Cation nutrients can be restricted like in clay
soils.
Low CEC - correct answer ✔✔ Low or High CEC: Cation nutrients can move freely like in sandy
soils.
Negative - correct answer ✔✔ Soil particles have a ___________ charge.
Amyloplast plastid - correct answer ✔✔ plastid that stores starch
Vertebrates, invertebrates, pathogens, and weeds - correct answer ✔✔ Name the 4 pests of
plants
answered graded A+
Bacteria, viruses, and fungi - correct answer ✔✔ What are the 3 main types of pathogens?
Family - correct answer ✔✔ Group of genera that share many characteristics
Genus - correct answer ✔✔ closely related plants of one or more species
Species - correct answer ✔✔ group of breeding individuals that produce similar individuals
Common name - correct answer ✔✔ a nonscientific term that may vary from region to region
Cultivars - correct answer ✔✔ artificially induced variation in species from selective breeding
Variety - correct answer ✔✔ naturally occurring variation in species
Plant Organelle - correct answer ✔✔ A tiny cell structure that carries out a specific function
within the cell
Cell wall - correct answer ✔✔ Provides cell structure surrounds plasma membrane
Central Vacuole - correct answer ✔✔ membrane-bound cavity used for storage/waste and
regulates turgor pressure
,Nitrogen, Phosphorous, Potassium, Sulfur, Calcium, and Magnesium - correct answer ✔✔ What
are the 6 macronutrients?
Iron, Manganese, Molybdenum, Zinc, Nickel, and Boron - correct answer ✔✔ Name 6
micronutrients
5.5-7.0 - correct answer ✔✔ What pH range is most nutrients available to plants?
Proplastid plastid - correct answer ✔✔ no fucntion immature
Leucoplast plastid - correct answer ✔✔ plastid that stores oils
Chloroplast plastid - correct answer ✔✔ plastids that do photosynthesis
Chloroplast - correct answer ✔✔ does photosynthesis in thylakoid membranes (chlorophyll)
surrounded by stroma
Chlorophyll - correct answer ✔✔ Green pigment in plants that absorbs light energy used to
carry out photosynthesis
Plant Tissues - correct answer ✔✔ Group of cells with specific functions
Dermal/Surface Tissue - correct answer ✔✔ Outermost cell layers to provide protection and
regulate gas exchange; sometimes water and nutrient uptake
Dermal tissue cell types - correct answer ✔✔ Trichomes, Root Hairs, Guard Cells, epidermal cell
Trichomes - correct answer ✔✔ Tiny, spikelike projections on some leaves for protection
, Root Hairs - correct answer ✔✔ water and nutrient uptake of plant
Plant Epidermal cell - correct answer ✔✔ nonspecialized dermal cells
Guard Cells - correct answer ✔✔ regulate opening and closing of stomata (push apart from
each other for gas exchange [surround stomatal opening])
Vascular tissue - correct answer ✔✔ transports water, nutrients, and sugar throughout the plant
Chromoplast plastid - correct answer ✔✔ plastids for pigments (color) & anthocyanins
carotenoids
Positive - correct answer ✔✔ Mineral nutrients have a ___________ charge.
High CEC - correct answer ✔✔ Low or High CEC: Cation nutrients can be restricted like in clay
soils.
Low CEC - correct answer ✔✔ Low or High CEC: Cation nutrients can move freely like in sandy
soils.
Negative - correct answer ✔✔ Soil particles have a ___________ charge.
Amyloplast plastid - correct answer ✔✔ plastid that stores starch
Vertebrates, invertebrates, pathogens, and weeds - correct answer ✔✔ Name the 4 pests of
plants
