Question 1

In flowering plants, after fertilization the zygote continuously develops until the seed germinates.

Accepted Answer

A) True 
 B)False

Question 2

Stomata are used by plants to facilitate gas exchange. Why are they absent in charophytes?

Accepted Answer

A)   Gasses freely diffuse through uncoated charophyte tissues.
B)   Charophytes use organic acids as a carbon source.
C)   They are present in charophytes but have been reduced to a vestigial state.
D)   Stomata are an exclusively aquatic adaptation.E) A) and B)
F) C) and D)

Question 3

All members of the Anthophyta have

Accepted Answer

A)   nectaries.
B)   animal pollinators.
C)   scented flowers.
D)   fleshy fruits for dispersal.
E)   ovules enclosed in carpels.F) A) and B)
G) C) and D) E

Question 4

Primary mycelia contain twice as much DNA as secondary mycelia.

Accepted Answer

A) True 
 B)False

Question 5

Welwitschia has vessel elements and is insect pollinated but it has seeds on cones and megaspores that are partially exposed. Although it is classed as a gymnosperm some of the above features are found among the

Accepted Answer

A)   Anthophyta.
B)   Pterophyta.
C)   Hepaticophyta.
D)   Bryophyta.E) B) and C)
F) A) and B)

Question 6

A bryologist (a scientist that studies mosses, and their allies)  gives a lecture to your biology class. In her lecture, she makes a reference to fern reproduction. She says, "Fern spores germinate into ____."

Accepted Answer

A)   gametophytes, which are often heart-shaped and have rhizoids that anchor the fern to the substrate
B)   gametophytes, which are often heart-shaped and have roots that anchor the fern to the substrate
C)   sporophytes, which are often heart-shaped and have rhizoids that anchor the fern to the substrate
D)   sporophytes, which are often heart-shaped and have roots that anchor the fern to the substrateE) B) and C)
F) C) and D)

Question 7

A mutation prevents division of the generative cell in a flowering plant. Where would this mutation most likely manifest itself?

Accepted Answer

A)   Anther
B)   Ovule
C)   Ovary
D)   StyleE) All of the above
F) C) and D)

Question 8

Many antibacterial antibiotics interfere with protein synthesis. Why would these not be a good target for antifungal drugs?

Accepted Answer

A)   Fungi produce few proteins.
B)   Fungi can rapidly metabolize drugs.
C)   Chitin cell walls prevent uptake of drugs.
D)   Human and fungal ribosomes are extremely similar to each other.
E)   Fungi absorb proteins during decomposition of organic matter.F) A) and E)
G) D) and E)

Question 9

Based on the number of species, the most successful extant phylum of plants is the

Accepted Answer

A)   Anthophyta.
B)   Coniferophyta.
C)   Pterophyta.
D)   Gnetophyta.
E)   Charophyta.F)  Hepaticophyta.G) D) and E)
H) E) and F)

Question 10

Why do bees visit flowers?

Accepted Answer

A)   To transfer pollen to the carpel
B)   To maintain a healthy flower population
C)   To help the plant reproduce
D)   To collect food and feed it to their larvaeE) A) and C)
F) B) and C) D

Question 11

Chemical X is a hydrophilic germination inhibitor. What would be the advantage of having this chemical in the seed coat?

Accepted Answer

A)   The chemical would speed up germination.
B)   The chemical would allow for germination when there was sufficient levels of moisture in the soil.
C)   The chemical would absorb nutrients from the soil.
D)   The chemical would store water in the seed.E) All of the above
F) A) and B)

Question 12

The body of a fungus has several characteristics. One of these is their hyphae, long chains of cells. Which of the following statements best describes what septa and cross walls are?

Accepted Answer

A)   Septa of the cross walls are formed on the outside of fungal cells and give the fungal body more rigidity.
B)   Septa form cross walls between the long chains of cells that make up hyphae.
C)   The cross wall within the nuclear membrane of every fungal body forms septa.
D)   Spores of fungi that are formed within reproductive structures have cross walls separated by septa.
E)   Cross walls are responsible for the formation of spindle plaques within the hyphae after the septa are produced.F) C) and D)
G) B) and C) B

Question 13

A mycologist visits your biology class and discusses her research on a particular fungus that lives on the bark of damaged spruce trees. She explains that the fungal hyphae of her research organism is heterokaryotic. You raise your hand and request that she define that word. Her correct response is

Accepted Answer

A)   heterokaryotic means that the nuclei of the fungal hyphae are genetically the same.
B)   heterokaryotic means that the nuclei of each compartment of the hyphae are genetically distinct.
C)   heterokaryotic means that each compartment of the hyphae contain two distinct nuclei.
D)   heterokaryotic means that each compartment of the hyphae contains only one nucleus.E) None of the above
F) A) and B)

Exam 22: Plants and Fungi

In flowering plants, after fertilization the zygote continuously develops until the seed germinates.

Correct Answer
verified

Stomata are used by plants to facilitate gas exchange. Why are they absent in charophytes?

Correct Answer
verified

All members of the Anthophyta have

Correct Answer
verified
E

Primary mycelia contain twice as much DNA as secondary mycelia.

Correct Answer
verified

Welwitschia has vessel elements and is insect pollinated but it has seeds on cones and megaspores that are partially exposed. Although it is classed as a gymnosperm some of the above features are found among the

Correct Answer
verified

A bryologist (a scientist that studies mosses, and their allies) gives a lecture to your biology class. In her lecture, she makes a reference to fern reproduction. She says, "Fern spores germinate into ____."

Correct Answer
verified

A mutation prevents division of the generative cell in a flowering plant. Where would this mutation most likely manifest itself?

Correct Answer
verified

Many antibacterial antibiotics interfere with protein synthesis. Why would these not be a good target for antifungal drugs?

Correct Answer
verified

Based on the number of species, the most successful extant phylum of plants is the

Correct Answer
verified

Why do bees visit flowers?

Correct Answer
verified
D

Chemical X is a hydrophilic germination inhibitor. What would be the advantage of having this chemical in the seed coat?

Correct Answer
verified

The body of a fungus has several characteristics. One of these is their hyphae, long chains of cells. Which of the following statements best describes what septa and cross walls are?

Correct Answer
verified
B

A mycologist visits your biology class and discusses her research on a particular fungus that lives on the bark of damaged spruce trees. She explains that the fungal hyphae of her research organism is heterokaryotic. You raise your hand and request that she define that word. Her correct response is

Correct Answer
verified

Exam 22: Plants and Fungi

In flowering plants, after fertilization the zygote continuously develops until the seed germinates.

Correct AnswerverifiedShow Answer

Stomata are used by plants to facilitate gas exchange. Why are they absent in charophytes?

Correct AnswerverifiedShow Answer

All members of the Anthophyta have

Correct AnswerverifiedE

Primary mycelia contain twice as much DNA as secondary mycelia.

Correct AnswerverifiedShow Answer

Welwitschia has vessel elements and is insect pollinated but it has seeds on cones and megaspores that are partially exposed. Although it is classed as a gymnosperm some of the above features are found among the

Correct AnswerverifiedShow Answer

A bryologist (a scientist that studies mosses, and their allies) gives a lecture to your biology class. In her lecture, she makes a reference to fern reproduction. She says, "Fern spores germinate into ____."

Correct AnswerverifiedShow Answer

A mutation prevents division of the generative cell in a flowering plant. Where would this mutation most likely manifest itself?

Correct AnswerverifiedShow Answer

Many antibacterial antibiotics interfere with protein synthesis. Why would these not be a good target for antifungal drugs?

Correct AnswerverifiedShow Answer

Based on the number of species, the most successful extant phylum of plants is the

Correct AnswerverifiedShow Answer

Why do bees visit flowers?

Correct AnswerverifiedD

Chemical X is a hydrophilic germination inhibitor. What would be the advantage of having this chemical in the seed coat?

Correct AnswerverifiedShow Answer

The body of a fungus has several characteristics. One of these is their hyphae, long chains of cells. Which of the following statements best describes what septa and cross walls are?

Correct AnswerverifiedB

A mycologist visits your biology class and discusses her research on a particular fungus that lives on the bark of damaged spruce trees. She explains that the fungal hyphae of her research organism is heterokaryotic. You raise your hand and request that she define that word. Her correct response is

Correct AnswerverifiedShow Answer

Correct Answer
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E

Correct Answer
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Correct Answer
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Correct Answer
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D

Correct Answer
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Correct Answer
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B

Correct Answer
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