occurs in reproductive organs to give rise to gametes
occurs during Interphase of the cell cycle
results in two daughter cells identical to the
... [Show More] parent cell
is preceded by cytokinesis
Question 2
1 / 1 point
is unrelated to chromosomes
joins the sister chromatids in the middle during the S phase of the cell cycle
are found in both living and non-living things
acts as a spindle to pull the replicated strands of DNA to either side of the
cell during mitosis
Question 3
1 / 1 point
Water held back by a dam represents what kind of energy?
Kinetic
Potential
Irrigation
Hydroelectric
Question 4
1 / 1 point
Photosynthesis and respiration have which of the following in common?
In eukaryotes, both processes reside in specialized organelles.
Both require light
Both use NADPH to store high energy electrons.
Both are energy requiring processes.
Question 5
1 / 1 point
How fast a chemical reaction occurs in a cell depends mostly on which molecules in the cell?
NADPH
lipids
enzymes
ATP
Question 6
2 / 2 points
Question 7
True False
1 / 1 point
simple
dicot
compound
monocot
Question 8
2 / 2 points
The study of tree rings is
horticulture
arboriculture
dendrochronology
dendrology
Question 9
1 / 1 point
Bark is made of crushed secondary phloem and periderm
Question 10
True False
0 / 1 point
Which of the following have a random assortment of vascular bundles?
woody dicots
both herbaceous and woody monocots
herbaceous dicots
both herbaceous and woody dicots
Question 11
2 / 2 points
The ultimate source of energy to support most life on Earth is .
hydroelectric
fossil fuels
cellular respiration
sunlight
Question 12
1 / 1 point
Dermal
Ground
Sclerenchyma
Vascular
Question 13
1 / 1 point
Which feature characterizes angiosperms as a group?
They produce flowers and fruit
They are unicellular organisms
They produce cones with seeds
They are usually aquatic
Question 14
0 / 1 point
True
False
Question 15
1 / 1 point
6 CO2 + 12 H2O → C6H12O6 + 6 O2 + 6 H2O.
6 CO2 + 6 H2O → C6H12O6 + O2
12 CO2 + 12 H2O →2 C6H12O6 + 2 O2.
6 CO2 + 6 H2O →C6H12O6 + 6 O2.
Question 16
1 / 1 point
Cycads, Conifers (Gymnosperms)
Flowering plants (Angiosperms)
Club mosses (Non-vascular bryophytes)
Ferns (Vascular seedless plants)
Question 17
1 / 1 point
the photo reactions
the oxidation of glucose
the synthesis reactions
the synthesis of ATP
Question 18
1 / 1 point
Erosion
increases when contour strip cropping is employed.
reduces the top soil available for agricultural land
occurs as a result of natural processes only
causes accumulation of salinity in agricultural land
Question 19
1 / 1 point
Plasmolysis
is the cytosol
is the lipid membrane surrounding the cytosol
causes the plasma membrane to separate and pull away from the cell wall.
the breakage of the cell wall upon dehydration
Question 20
1 / 1 point
Which of the following options best describes the phloem?
rigid, unliving, conducting tissue
Living tissue with seive tube members and companion cells.
Living tissue with tracheid cells
Dead cells with companion cells for carbohydrate transport
Question 21
1 / 1 point
Both primary xylem and primary phloem are produced in the
periderm
cork cambium
vascular cambium
apical meristem
Question 22
2 / 2 points
The Cell Theory states
that all cells contain DNA blueprints and structural support from lignin.
that cells are part of all living and non-living things
that cells may or may not arise from existing cells
that cells are the basic organizational unit of living things
Question 23
1 / 1 point
In both G1 and G2 phases of the cell cycle,
growth occurs
DNA replication occurs
the mitotic phase follows
mitosis occurs simultaneously
Question 24
1 / 1 point
source; sink
source; source
sink; source or sink
sink; source
Question 25
1 / 1 point
stomata
perennial
peridermal
trichomes
Question 26
2 / 2 points
the quantity of usable energy declines with each energy transformation
the quality of energy in the universe is constant
energy can neither be created nor destroyed
life should be impossible
Question 27
1 / 1 point
are proteins
increase the rate of a reaction without being consumed by the reaction
can make an energy requiring reaction energy yielding
provide energy for the reactions they facilitate
Question 28
1 / 1 point
Plants use seeds, cones or spores to reproduce. Which of the following does NOT use spores?
Conifers
Mosses
Ferns
Liverworts
Question 29
1 / 1 point
Translocation is the process whereby water vapor is expelled from the leaf.
False
True
Question 30
1 / 1 point
The oxygen produced during photosynthesis is derived from .
carbon dioxide
glucose
ATP
water
Question 31
1 / 1 point
Which of the following statements about enzymes is FALSE?
They consist of proteins.
They change an energy requiring reaction to one that produces energy.
They are highly specific
They can be used over and over again.
Question 32
2 / 2 points
A hypothesis is:
An outline of methods or approaches that could be used to test the validity of an idea
An educated guess.
The result of experimental evidence
A question that can be tested
Question 33
2 / 2 points
The xylem–tension–cohesion theory explains how .
water is transported in the xylem
water is lost from leaf openings
water and minerals enter the root
leaf epidermal cells minimize water loss
Question 34
1 / 1 point
Vascular bundles are composed of xylem and phloem
Question 35
True False
1 / 1 point
Annual growth rings are the result of one year of secondary xylem
Question 36
True False
1 / 1 point
Which of the following is found in BOTH animal and plant cells?
Mitochondria
Lysosomes
Chloroplasts
Vacuoles
Question 37
1 / 1 point
Plants, Animals and Fungi all have this kind of cell:
Prokaryotic
Eukaryotic
Primitive
Fluid mosaic
Question 38
1 / 1 point
Dicots tend to have taproots.
Question 39
True False
1 / 1 point
Chromosomes do NOT
participate in mitosis
contain mostly lipids arranged like beads on a string
organize the tangled mess of DNA inside the plant cell nucleus
condense prior to mitosis
Question 40
1 / 1 point
Which of the following is NOT a function of the casparian strip?
the casparian strip prevents water uptake through the apoplast (intracellular spaces) beyond the endodermis.
the casparian strip borders the pericycle where lateral roots emerge.
the casparian strip produces root hairs to improve the effective root surface area for water and mineral uptake100
the casparian strip prevents water from diffusing back out of the xylem to the roots.
Question 41
0 / 1 point
It decreases, because water exits and affects turgor pressure.
There is no change; sugar concentration has no effect on turgor pressure.
It decreases, because sugar concentration directly affects turgor pressure.
It increases, because water enters and affects turgor pressure.
Question 42
1 / 1 point
glucose to ATP
light to chemical energy in glucose
NADH to glucose
ATP and NADH to synthesize glucose
Question 43
1 / 1 point
Which group of organisms produces seeds in cones and includes pines, cedars, and redwoods?
Gymnosperms
Bryophytes
Angiosperms
Fungi [Show Less]