1. Which of the following is the best illustration of indeterminate growth exhibited by plants?
a) rows of canning tomatoes that ripen all at the same time.
b) the variation you see in eye color of humans.
c) the variety of shapes of ancient hedgerows and
1. Early spring wildflower like buttercup and columbine are most likely _
and later in the summer _ like monkey flower and snapdragons dominate.
1. Phloem function as:
a) protective tissue in woody plants.
b) water conducting tissue.
c) sugar conducting tissue.
d) photosynthetic tissue in leaves.
2. All of the following are part of xylem EXCEPT:
b) sieve cells.
1. In the diagram above, which arrow points to ATP synthase?
2. Which of the following statements is true regarding the Calvin Cycle?
a) The Calvin Cycle does not occur in C4 plants.
b) The Calvin Cycle consumes CO2, ATP, and NADPH.
c) The Cal
1. Why do deciduous leaves change colors in the fall?
a) Water-soluble pigments like anthocyanins break down
b) Chlorophyll breaks down
c) The concentration of Rubisco increases
d) Both a and b are true
2. The sap of a CAM plant will taste sour:
a) in the
1. Fill in the blanks:
During the light reactions of photosynthesis, _(1)_ acts to donate electrons to the
reaction center and _(2)_ is produced.
a) (1)ribulose bisphosphate
(2) two 3-carbon compounds
1. Osmosis involves all the following EXCEPT:
a) differential salt concentrations.
c) a semi-permeable membrane.
d) all of the above are involved in osmosis.
2. If you wanted to design an herbicide that would block cell expansion in plants but n
1. CAM plants are most likely to be found in regions of the world with:
a) abundant rain fall.
b) seasonal temperatures.
c) short growing seasons.
d) hot dry summers.
2. Rubisco (ribulose bisphosphate carboxylase-oxidase):
a) is the most abundant protein
1. Perforation plates in xylem are found in:
d) sieve cells.
2. Strawberries reproduce asexually by using
a) terminal tubers.
b) swollen bulbs.
c) stolon runners.
3. This is a cross section of:
a) a monocot r
1. The stringy cells in the leaves of agave sisal are:
2. To establish a tissue culture of a rhododendron, the best tissue to use would be the apical meristem
a) it is comprised primarily of
1. All living cells from bacteria to the cells of an orchid share the following common features EXCEPT:
c) plasma membranes.
e) all cells have all of the above.
2. Plasmadesmata are important:
a) for photosynthesis.
1. The tourist industry in the autumn in New England relies on _ to trigger the
spectacular fall colors.
a) cold temperatures
b) hot summer days
c) short days
d) all of the above
e) only a and c
2. Which of the following underground structures is actually
1. Lignified tissue of plants functions to:
a) permit free gas exchange for photosynthesis and respiration
b) provide structural support for land plants.
c) aid in the transport of spores, pollen and seeds.
d) prevent water loss.
2. Which of the following
1. The only new source of energy in the biosphere comes from:
a) the chemical bonds in sugars.
b) ATP from respiration.
c) light energy from the sun.
d) electrons flowing in electron transport chain.
2. Stomata serve as points of gas exchange and water lo
1. Glycolysis occurs in:
a) the cytoplasm.
b) the mitochondria
c) plant cells but not animal cells.
d) both a and c are true.
2. The electron that is donated from Photosystem II to the electron transport chain of photosynthesis is
replaced by one from:
1. The xylem cells with the largest diameter and perforation plates are:
d) sieve cells.
2. Dicot roots:
a) lack root hairs.
b) have an endodermis but no pith.
c) contain many more cell types than monocot roots.
1. Which of the following is a characteristic of all living organisms?
c) response to stimuli
d) all of the above are characteristics of all living things.
2. Small metabolites, such as sugar and salts, as well as some large
1. The bulk of ATP produced in aerobic respiration occurs when:
a) the Krebs cycle is depleted of intermediates.
b) organisms are deprived of oxygen.
c) plants are kept in the light rather than the dark.
d) ATP synthase is driven by protons flowing across
1. Plants are green because:
a) they absorb green light for photosynthesis.
b) they convert green light to red light for photosynthesis.
c) they reflect yellow and blue light.
d) they reflect green light.
2. Overwatering can kill potted plants because the
1. Plan All of the following is true about balsa wood EXCEPT:
a) it is related to durian and kapok
b) a hardwood from the Bombacaceae family.
c) a softwood from a gymnosperm.
d) it floats.
2. Which of the following is FALSE?
a) ash is used to make basebal
1. Which of the following are true of C4 photosynthesis?
a) It seems to be advantageous in cooler climates.
b) Bundle sheath and mesophyll cells are involved.
c) Palisade cells help store C4 acids for use at night.
d) It makes leaves taste sweet in the mo
1. In the diagram of the model of ATP synthesis, what molecule/ion is at high concentration on
one side of the membrane to set up the chemical gradient (what are the Xs on the
a) oxygen and ATP synthase
b) hydrogen ions (H+)
d) ATP and
1. In botanical terms, hardwoods must come from what kind of plant?
a) angiosperms, specifically dicots.
b) gymnosperms like pine and spruce.
c) plants with secondary growth that is always resistant to denting.
d) both a and c are true of hardwoods.
1. This is a cross section of:
a) a monocot root
b) a dicot root
c) a monocot stem
d) a dicot stem
2. The arrow is pointing to:
a) the pith.
b) the endodermis.
c) the xylem
d) the epidermis.
3. You are extremely allergic to poison ivy. Your friend offers
1. A mutant plant whose cells could not form plasmodesmata would have difficulty in:
a) synthesizing ribosomes.
b) building cell walls.
c) communicating between cells.
d) packaging and secreting proteins and other macromolecules.
e) performing cellular re
1. The central dogma of biology states:
a) all living things are made of cells.
b) all living things depend on plants to produce oxygen.
c) all living things use DNA to make mRNA to make proteins.
d) all living things make proteins from small fragments of
1. You have been put in charge of maintaining an enclosed stadium that wishes to have a living
turf field surface. Which combination of lights would work best for establishing a healthy
a) green and yellow lights
b) red and blue lights
c) green and
1. Stomata of plants function:
a) to permit free gas exchange for photosynthesis and respiration.
b) to provide structural support for land plants.
c) to aid in the transport of spores, pollen and seeds.
d) to prevent water loss.
2. The domestication of p
1. In landscaping, one can prune a plant to grow flat against a wall (espalier) as a decorative
feature. The capacity of a plant to have its form manipulated is a direct result of a plants:
a) ability to ferment and respire to extract energy from sugars.
1. The ONLY source of new energy in the biosphere is:
a) complex carbohydrates.
b) solar radiation.
c) chemical bonds.
2. A compound that disrupts the membrane integrity of the mitochondria by making it leaky will
effectively shut down: