Biology 2 Chapter 30

Which of the following types of angiosperms is believed to have diverged the earliest? A) magnolia B) water lily C) orchid D) star anise E) amborella

amborella

What is the term for the process in which two or more species of organisms influence each other's evolutionary pathway?

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 = d; iii = b; iv = a

Name the structure in which the pollen of conifers is developed through meiosis.

microsporangia

Conifer wood contains many specialized vascular cells. What are they called?

tracheid

Which one of the following statements about secondary metabolites is incorrect? A) All plants produce secondary metabolites, but they are most diverse in the gymnosperms. B) Secondary metabolites can be found in prokaryotes, fungi, protists, and plants. C) Rubber is a secondary metabolite most accurately referred to as a terpenoid. D) Caffeine and heroin are both in the same class of secondary metabolites. E) All of the statements about secondary metabolites are correct.

A) All plants produce secondary metabolites, but they are most diverse in the gymnosperms.

An artificially selected mutant strain of rice may be an ancient ancestor of the rice commonly consumed by millions of people on earth today. A) true B) false

A) true

Flowers produced in many small clusters are properly referred to as inflorescences. A) true B) false

A) true

The diameter of floral tubes varies among flowers to accommodate various species of pollinators. A) true B) false

A) true

The evolutionary ancestor of angiosperms are gymnosperms. A) true B) false

A) true

When a plant species specializes its flowers to compensate for a pollinator's limitations, this is most accurately referred to as a pollination syndrome. A) true B) false

A) true

In flowers, petals and sepals are collectively known as the peduncle. A) true B) false

B) false

Which one of the following would not be found in a gymnosperm? A) chloroplasts B) fruits C) wood D) vascular tissue E) pollen

B) fruits

Which one of the following flower structures receives and recognizes pollen of the appropriate species or genotype? A) stamen B) stigma C) pistil D) style E) receptacle

B) stigma

Which one of the following statements regarding terpenes and terpenoids is NOT correct? A) Taxol, used in the treatment of cancer, is a terpene. B) Amber is a terpenoid C) Terpenes and terpenoids attract insects. D) Terpenes and terpenoids are derived from isoprene gas. E) Rubber is a terpenoid.

C) Terpenes and terpenoids attract insects.

Diversification in plants has been influenced by polyploidy. Which term DOES NOT describe this process? A) autoploidy B) genome doubling C) allopolyploidy D) pleiotropy E) whole genome doubling

D) pleiotropy

Which of the following statements about alkaloids is correct? A) Alkaloids contain nitrogen B) Alkaloids often have physiological effects on the nervous systems of humans and animals C) There are at least 12,000 known alkaloids from plants D) Caffeine, nicotine and ephedrine are all alkaloids E) All of the above statement are correct

E) All of the above statement are correct

Which of the following is not a major secondary metabolite produced by angiosperms? A) terpenes B) phenolics C) terpenoids D) alkaloids E) All of the choices are secondary metabolites produced by angiosperms.

E) All of the choices are secondary metabolites produced by angiosperms.

Which one of the following is not a term used to describe a type of flower? A) complete B) perfect C) incomplete D) imperfect E) All of the terms are used to describe various types of flowers.

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

Which of the following statements about angiosperms is incorrect? A) Seed endosperm is a feature found only in angiosperms. B) The term angiosperm literally means "enclosed seed." C) Angiosperms include the flowering plants. D) Angiosperms are a primary source of food, beverages and spices. E) All of these statements about angiosperms are correct.

E) All of these statements about angiosperms are correct.