Botany Questions

Where are pollen grains produced in a conifer? A) megastrobilusB) microstrobilusC) sorusD) stamens

Which of the following will produce cells that make up the stomata?A) Ground meristemB) lateral meristemC) ProcambiumD) Protoderm

Which of the following is likely the largest when mature?A) moss sporophyteB) fern gametophyteC) conifer sporophyteD) eudicot megagametophyte

Which clade has the most species?A) angiosperm B) land plantsC) seed plants D) vascular plants

In angiosperms, which structures are used for loading and unloading of sucrose into sieve tubes for movement throughout the plants?A) companion cellsB) stomataC) tracheidsD) vessel elements

Which part of a seeding is sensitive to light to initiate a phototropic response?A) the entire seedlingB) the entire shoot above the rootsC) the middle region of the shoot several millimeters below the tipD) the tip of the shoot

The physiological active form of phytochrome is __________, and it absorbs ___________ light.A) Pfr; far-redB) Pfr; redC) Pr; far-redD) Pr; red

Which of the following is a diploid part of an angiosperm seed?A) Central cellB) EndospermC) OvuleD) Seed coat

In which stage does crossing over (or genetic recombination) NOT occur?A. Horsetail sporangiaB. Fern soriC. Club moss strobilusD. Moss gametophyte

After a few days, a houseplant has been accidently knocked on its side will produce roots that are growing downward relative to its new position. This phenomenon is called:A) positive gravitropismB) negative gravitropismC) positive phototropismD) negative phototropism

Which would you expect to find in both a tree fern (a fern/ monilophyte) and a pine tree (conifer)? A) apical meristemB) indusiumC) lateral meristemD) stamen

A plant that produces protoderm, ground meristem, and procambien, but does not produce lateral meristems, undergoes: A) primary growth onlyB) secondary growth onlyC) primary and secondary growthD) primary and secondary, but not woody growth

Which word best describes an ovule?A) MicrogametophyteB) MegagametophyteC) MicrosporophyteD) Megasporophyte

When sugars are actively transported out of the sink end of the sieve tube, waterA) flows back into the xylem, also by active transportB) flows back into the xylem by facilitated diffusionC) flows back into xylem through osmosisD) is actively transported out of the sink end along with the sugars

Which of the following groups of gymnosperm is most likely able to fix nitrogen through a symbiotic relationship with cyanobacteria? A. cycadsB. GinkgoC. ConifersD. Hornworts

One difference between gymnosperm and angiosperm is that gymnosperm: A) do not form seedsB) do not form fruitC) rely solely on wind for fertilizationD) have secondary growth

Which group of euphyllophytes have silica deposits in their cell walls, and small leaves that form distinct whorls around the stem, and sporangia arranged in strobilus at the top of the stem? A. FernsB. GnetophytesC. HorsetailsD. Lycophytes

Which group does NOT have a free-living, independent gametophyte generation? A. BryophytesB. ConifersC. HorsetailsD. Lycophytes

Fossil vascular plants can be recognized by the presence of:A) antheridiaB) flowersC) seedsD) tracheids

In vascular plants, the inbroken column of water from the roots to the highest leaves is kept in tact by?A) tensionB) transporationC) cohesionD) evaporation