Chapter 32-Gymno-Angio-: Quiz

True or False: An artificially selected mutant strain of rice may be an ancient ancestor of the rice commonly consumed by millions of people on earth today. *True *False

True

True or False: Flowers produced in many small clusters are most accurately referred to as inflorescences. *True *False

True

True or False: The diameter of floral tubes varies among flowers to accommodate various species of pollinators. *True *False

True

True or False: The evolutionary ancestor of angiosperms are gymnosperms. *True *False

True

True or False: When a plant species specializes its flowers to compensate for a pollinator's limitations, this is most accurately referred to as a pollination syndrome. *True *False

True

When two or more species influence each other's evolutionary pathway, this is most accurately referred to as *horizontal gene transfer. *convergence. *coevolution. *dependence. *symbiosis.

coevolution

Match the fruit on the left with the appropriate description on the right. i) Strawberry a) fleshy berry ii) Pineapple b) legume iii) Peas c) aggregate iv) Grapes d) multiple *i = c; ii = a; iii = b; iv = d *i = a; ii = d; iii = b; iv = c *i = d; ii = b; iii = a; iv = c *i = c; ii = d; iii = b; iv = a *i = b; ii = c; iii = d; iv = a

i = c; ii = d; iii = b; iv = a

The pollen of conifers is developed via meiosis in ________________? *gametophytes *antheridia *microsporangium *macrosporangium *tracheids

microsporangium

The major type of water conducting cell in gymnosperms is most accurately referred to as a *gametophyte. *plastid. *tracheid. *torus. *megaspore.

tracheid

Which of the following statements about alkaloids is correct? *Alkaloids contain nitrogen *Alkaloids often have physiological effects on humans and animals that consume them. *There are at least 12,000 known plant produced alkaloids *Alkaloids contain nitrogen and there are at least 12,000 known plant produced alkaloids *Alkaloids contain nitrogen, alkaloids often have physiological effects on humans and animals that consume them , and there are at least 12,000 known plant produced alkaloids.

Alkaloids contain nitrogen, alkaloids often have physiological effects on humans and animals that consume them , and There are at least 12,000 known plant produced alkaloids.

Which of the following is not a major class of secondary metabolites produced by angiosperms? *Terpenes *Phenolics *Terpenoids *Alkaloids *All of the choices are secondary metabolites produced by angiosperms.

All of the choices are secondary metabolites produced by angiosperms.

Which one of the following does not contribute to the diversification of flowers? *Autoploidy *Hybridization *Allopolyploidy *Mitochondrial horizontal gene transfer *All of the choices contribute to the diversification of flowers

All of the choices contribute to the diversification of flowers

Which one of the following is not a term used to describe a type of flower? *Complete *Perfect *Incomplete *Imperfect *All of the terms are used to describe various types of flowers.

All of the terms are used to describe various types of flowers.

Which of the following statements about angiosperms is incorrect? *Seed endosperm is a feature found only in angiosperms. *The term angiosperm literally means "enclosed seed." *Angiosperms include the flowering plants. *Human culture depends heavily on angiosperms for food, beverages, and spices. *All of these statements about angiosperms are correct.

All of these statements about angiosperms are correct.

Which of the following types of angiosperms is believed to have diverged the earliest? *Magnolia *Water lily *Orchid *Star anise *Amborella

Amborella

True or False: In flowers, petals and sepals are collectively known as the peduncle. *True *False

False

Which one of the following would not be found in a gymnosperm? *Chloroplasts *Fruits *Wood *Vascular tissue *Pollen

Fruits

Which one of the following statements about secondary metabolites is incorrect? *Most secondary metabolites made by plants are made by gymnosperms. *Secondary metabolites can be found in prokaryotes, fungi, protists, and plants. *Rubber is a secondary metabolite most accurately referred to as a terpenoid. *Caffeine and heroin are both in the same class of secondary metabolites. *All of the statements about secondary metabolites are correct.

Most secondary metabolites made by plants are made by gymnosperms.

Which one of the following flower structures receives and recognizes pollen of the appropriate species or genotype? *Stamen *Stigma *Pistil *style *Receptacle

Stigma

Which one of the following statements regarding terpenes and terpenoids is incorrect? *Terpenoids and terpenes are used for some cancer treatments *Amber is a terpenoid *Terpenes and terpenoids absorb ultraviolet radiation. *Terpenes and terpenoids are derived from isoprene gas. *Rubber is a terpene.

Terpenes and terpenoids absorb ultraviolet radiation.