Filters
Question type

Study Flashcards

Which aspect of truffle mushrooms drives their commercial importance?


A) size
B) smell
C) taste
D) texture

E) A) and D)
F) All of the above

Correct Answer

verifed

verified

Seeds develop from ________.


A) carpels
B) anthers
C) ovules
D) ovaries

E) A) and C)
F) A) and B)

Correct Answer

verifed

verified

Which of the following correctly illustrates the sequence of the origin of modern groups of plants?


A) gymnosperms,ferns,bryophytes,angiosperms
B) bryophytes,ferns,gymnosperms,angiosperms
C) bryophytes,ferns,angiosperms,gymnosperms
D) ferns,gymnosperms,angiosperms,bryophytes

E) None of the above
F) A) and D)

Correct Answer

verifed

verified

This diagram shows what process? This diagram shows what process?   A) origin of plants from green algae B) alternation of generations C) angiosperm life cycle D) gymnosperm life cycle


A) origin of plants from green algae
B) alternation of generations
C) angiosperm life cycle
D) gymnosperm life cycle

E) None of the above
F) A) and B)

Correct Answer

verifed

verified

In angiosperms,what structures house female gametophytes?


A) stigmas
B) petals
C) ovules
D) sepals

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Gametophytes are ________; sporophytes are ________.


A) male...female
B) an adaptation to an aquatic existence...an adaptation to a terrestrial existence
C) haploid...diploid
D) the dominant stage of the conifer life cycle...the less obvious stage of the conifer life cycle

E) B) and C)
F) B) and D)

Correct Answer

verifed

verified

Nutritionally,all fungi are ________.


A) heterotrophs that acquire their nutrients by absorption
B) autotrophs that acquire their nutrients from solar energy
C) autotrophs that acquire their nutrients from chemicals
D) parasites that acquire their nutrients from other organisms

E) All of the above
F) B) and C)

Correct Answer

verifed

verified

Why are bryophytes considered incompletely liberated from their ancestral aquatic habitat?


A) They lack lignin.
B) Their sperm are flagellated.
C) The gametophyte generation is dominant.
D) They lack a cuticle.

E) A) and C)
F) All of the above

Correct Answer

verifed

verified

Biocontrol,short for biological control,is a means to control pest populations (e.g.,insects,plants) by intentionally introducing natural enemies of those pests.Biocontrol methods have benefits of typically being less expensive and less environmentally damaging than chemical pesticides.Which of the following should NOT be considered an example of biocontrol?


A) the spores of the Chinese caterpillar fungus that are sprayed on crop pests to parasitize and kill them
B) the application of herbicides that kill weeds harboring pest populations
C) the introduction of mites that prey upon citrus rust mites that infest and destroy citrus crops
D) the introduction of insect herbivores that eat weeds but do not feed on native plant species

E) B) and D)
F) A) and C)

Correct Answer

verifed

verified

Mutualistic associations of plant roots and fungi are called ________.


A) mycorrhizae
B) mycelia
C) shoots
D) hyphae

E) B) and D)
F) A) and B)

Correct Answer

verifed

verified

Corn smut is a fungus that grows in the ears of corn and changes corn kernels into black,powdery balls of fungus tissue.What would you hypothesize is the significance of the relationship between corn smut and corn?


A) Corn smut has a parasitic relationship with corn so that it can use the corn as a way to spread spores.
B) Corn smut has a symbiotic relationship with corn so that it can use the corn as a way to spread spores.
C) Corn smut helps to decompose corn more quickly and therefore replenishes nutrients in the soil at a faster rate.
D) Corn smut slows decomposition of corn and therefore reduces the rate at which nutrients are returned to the soil.

E) B) and C)
F) A) and D)

Correct Answer

verifed

verified

Which of the following is the lineage of green algae believed to most resemble early plant ancestors?


A) charophytes
B) ulva
C) volvox
D) dinoflagellates

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

What is this organism? What is this organism?   A) fern B) fungus C) bryophyte D) gymnosperm


A) fern
B) fungus
C) bryophyte
D) gymnosperm

E) B) and C)
F) None of the above

Correct Answer

verifed

verified

Which of the following statements is NOT true?


A) Rainforests regenerate slowly and cannot sustain slash-and-burn clearing.
B) Humans depend on plants for food,wood,and medicines.
C) Only a fraction of plant species have been tested as potential medicine sources.
D) Local knowledge of rainforest plant communities has no impact on the production of new medicines.

E) A) and D)
F) A) and C)

Correct Answer

verifed

verified

From the point of view of an angiosperm,what is the function of fruit?


A) It is where the male gametophyte develops.
B) It is a mechanism for the dispersal of seeds.
C) It provides nutrients to germinating seeds.
D) It attracts pollinators.

E) A) and D)
F) B) and C)

Correct Answer

verifed

verified

The function of a mushroom is to ________.


A) produce seeds
B) store nutrients
C) produce spores
D) photosynthesize

E) A) and D)
F) B) and C)

Correct Answer

verifed

verified

The photo below shows ________. The photo below shows ________.   A) a cluster of fern spore capsules B) a fairy ring C) an algal cell with extensive thread-like cilia D) a lichen,a mutually beneficial symbiosis


A) a cluster of fern spore capsules
B) a fairy ring
C) an algal cell with extensive thread-like cilia
D) a lichen,a mutually beneficial symbiosis

E) B) and D)
F) None of the above

Correct Answer

verifed

verified

Would you expect desert plants to have a thin or thick cuticle?


A) thin because desert plants do not have stomata
B) thin because desert plants have a short root system
C) thick because desert plants have an extensive shoot system
D) thick because desert plants need to retain water in this dry environment

E) None of the above
F) A) and B)

Correct Answer

verifed

verified

Suppose that,while on a forest hike,you notice a blue fungus and a pink plant growing along the hiking trail.As you continue walking,you observe that if a blue fungus and a pink plant are growing side by side,they are both much larger than if the fungus and the plant are farther apart.What can you hypothesize about the relationship between the fungus and the plant?


A) The fungus and the plant have a symbiotic relationship that allows them to have more significant growth when they are near each other than when farther apart.
B) The fungus and the plant have a parasitic relationship that allows them to have more significant growth when they are near each other than when farther apart.
C) The roots of the plant are choking off nutrient flow to the fungal hyphae.
D) The plant is helping the fungus decompose leaf litter on the forest floor.

E) B) and D)
F) B) and C)

Correct Answer

verifed

verified

Why is the symbiotic relationship of truffle mushrooms and tree roots considered to be crucial to the colonization of land?


A) This relationship is found in some of the oldest plant fossils.
B) Truffles have the terrestrial adaptation of seeds.
C) Tree roots can be found only in terrestrial environments.
D) Truffles provide trees with sugars.

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Showing 21 - 40 of 53

Related Exams

Show Answer