Plant Science exam 1 REVISED ACTUAL
Exam Questions and CORRECT Answers
Phenology - CORRECT ANSWER - the study of cyclic and seasonal natural phenomena,
especially in relation to climate and plant and animal life.
Palynology - CORRECT ANSWER - the study of fossil pollen grains and spores to
reconstruct past climates and human behavior
Where does the air we breathe come from? - CORRECT ANSWER - 50% plants
50% oceanic algae
Where does tree mass come from? - CORRECT ANSWER - CO2 from the atmosphere
Willow - CORRECT ANSWER - source of aspirin
Foxglove - CORRECT ANSWER - source of digitalis (treatment for cardiac issues)
Pacific Yew - CORRECT ANSWER - a source of taxol (treatment for cancer)
Coffee - CORRECT ANSWER - source of caffeine
Shoots - CORRECT ANSWER - above ground portion of the plant that includes stems,
leaves, and flowers (in angiosperms)
Roots - CORRECT ANSWER - underground organs that absorb water and minerals
4 whorls of flowers - CORRECT ANSWER - sepals (outer whorl; protection), petals
(attract pollinators), stamens (produce pollen; male), carpels (contains ovule)
, Ground tissue - CORRECT ANSWER - forms most of the plant body; function in storage
support, photosynthesis
Vascular tissue - CORRECT ANSWER - conducting tissue for water, minerals, and
organic substances in plants
Dermal Tissue - CORRECT ANSWER - The protective covering of plants; generally a
single layer of tightly packed epidermal cells covering young plant organs formed by primary
growth.
Metabolism - CORRECT ANSWER - the chemical changes in living cells by which
energy is provided for vital processes.
Tips of phylogenetic tree - CORRECT ANSWER - represent an extant taxonomic unit.
Population, species, genus, family, etc..
Nodes on a phylogenetic tree - CORRECT ANSWER - represent the most recent common
ancestor
branches of phylogenetic tree - CORRECT ANSWER - segment between ancestor and
descendent.
Monophyletic - CORRECT ANSWER - ALL descendants came from one common
ancestor
Paraphyletic - CORRECT ANSWER - consists of an ancestral species and some, but not
all, of its descendants
All naturally occurring elements are composed of - CORRECT ANSWER - Hydrogen,
Sulfur, Phosphorus, Carbon, Oxygen, and Nitrogen
Exam Questions and CORRECT Answers
Phenology - CORRECT ANSWER - the study of cyclic and seasonal natural phenomena,
especially in relation to climate and plant and animal life.
Palynology - CORRECT ANSWER - the study of fossil pollen grains and spores to
reconstruct past climates and human behavior
Where does the air we breathe come from? - CORRECT ANSWER - 50% plants
50% oceanic algae
Where does tree mass come from? - CORRECT ANSWER - CO2 from the atmosphere
Willow - CORRECT ANSWER - source of aspirin
Foxglove - CORRECT ANSWER - source of digitalis (treatment for cardiac issues)
Pacific Yew - CORRECT ANSWER - a source of taxol (treatment for cancer)
Coffee - CORRECT ANSWER - source of caffeine
Shoots - CORRECT ANSWER - above ground portion of the plant that includes stems,
leaves, and flowers (in angiosperms)
Roots - CORRECT ANSWER - underground organs that absorb water and minerals
4 whorls of flowers - CORRECT ANSWER - sepals (outer whorl; protection), petals
(attract pollinators), stamens (produce pollen; male), carpels (contains ovule)
, Ground tissue - CORRECT ANSWER - forms most of the plant body; function in storage
support, photosynthesis
Vascular tissue - CORRECT ANSWER - conducting tissue for water, minerals, and
organic substances in plants
Dermal Tissue - CORRECT ANSWER - The protective covering of plants; generally a
single layer of tightly packed epidermal cells covering young plant organs formed by primary
growth.
Metabolism - CORRECT ANSWER - the chemical changes in living cells by which
energy is provided for vital processes.
Tips of phylogenetic tree - CORRECT ANSWER - represent an extant taxonomic unit.
Population, species, genus, family, etc..
Nodes on a phylogenetic tree - CORRECT ANSWER - represent the most recent common
ancestor
branches of phylogenetic tree - CORRECT ANSWER - segment between ancestor and
descendent.
Monophyletic - CORRECT ANSWER - ALL descendants came from one common
ancestor
Paraphyletic - CORRECT ANSWER - consists of an ancestral species and some, but not
all, of its descendants
All naturally occurring elements are composed of - CORRECT ANSWER - Hydrogen,
Sulfur, Phosphorus, Carbon, Oxygen, and Nitrogen
