Question 1

The term gymnosperm literally means

Accepted Answer

A)   naked seed.
B)   clothed ovule.
C)   clothed sperm.
D)   clothed seed.
E)   naked ovule.F) C) and E)
G) A) and E)

Question 2

Some evidence that algae are the closest relative to plants is that they both

Accepted Answer

A)   use starch as a nutrient reserve.
B)   have chloroplasts.
C)   contain chlorophyll a.
D)   All of the answer choices are correct.
E)   have cellulose-rich cell walls.F) C) and D)
G) B) and C)

Question 3

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.Light,water,minerals,and dissolved gases surround the whole body of a submerged green alga,and the buoyancy of water provides physical support.What adaptation did plants make in taking up gases without drying out when they moved to dry land?

Accepted Answer

A)   development of vascular tissue
B)   production of a cuticle
C)   production of pollen
D)   production of lignin
E)   development of stomataF) C) and D)
G) A) and E)

Question 4

Stomata allow plants to exchange carbon dioxide and oxygen with the atmosphere.

Accepted Answer

A) True 
 B)False

Question 5

In angiosperms,double fertilization

Accepted Answer

A)   produces the four microspores in the male, and the four megaspores in the female.
B)   results in the diploid zygote, and the triploid endosperm.
C)   is a pairing of fertilization events, with one forming the sporophyte and the other forming the gametophyte.
D)   must happen to the pollen, forming the male gametophyte, and also to the egg, forming the female gametophyte.
E)   happens in the eudicot group of plants having two cotyledons.F) B) and E)
G) B) and C)

Question 6

Which of the following was the last to appear in the fossil record?

Accepted Answer

A)   ferns and other seedless vascular plants
B)   mosses and other bryophytes
C)   all major groups of plants we see today
D)   pines and other gymnosperms
E)   angiosperms (flowering plants) F) A) and B)
G) All of the above

Question 7

Conifers produce

Accepted Answer

A)   pollen in flowers and seeds in cones.
B)   only flowers.
C)   both seeds and pollen in cones.
D)   only seeds in cones.
E)   only pollen in cones.F) A) and D)
G) C) and D)

Question 8

When studying an ancient ecosystem's organisms,what was the advantage of looking for DNA samples in permafrost?

Accepted Answer

A)   The freezing temperature preserves the DNA.
B)   Areas with permafrost are older than other parts of the world, allowing scientists to collect samples back 1.5 to 2 million years.
C)   The enzymes that make DNA are still active in the cells.
D)   It is easier to take solid core samples.
E)   Most plants and animals evolved in Siberia.F) A) and C)
G) A) and E)

Question 9

In the life cycle of plants,what is the difference between a seed and a spore?

Accepted Answer

A)   None of these answer options are correct.
B)   Seeds are haploid, and can grow directly into a sporophyte.
C)   Seeds are haploid, and can grow directly into a gametophyte.
D)   Seeds are diploid, and can grow directly into a sporophyte.
E)   Seeds are diploid, and can grow directly into a gametophyte.F) A) and C)
G) A) and E)

Question 10

Which of the following is not a member of the gymnosperms?

Accepted Answer

A)   ginkgos
B)   conifers
C)   cycads
D)   ferns
E)   gnetophytesF) All of the above
G) B) and E)

Question 11

After a biology field trip,you make a thin section of a flowering plant stem.You observe these two main sets of cells: the lower set of cells are large,have thick walls,and test positive for the lignin molecule,while the smaller,but uniform red cells do not have lignin.From this evidence,you conclude that the larger cells with lignin are

Accepted Answer

A)   cuticle.
B)   stomata.
C)   rhizoids.
D)   xylem.
E)   phloem.F) A) and B)
G) B) and C)

Question 12

In angiosperms,pollen is the product of a haploid microspore dividing mitotically.Therefore,pollen is which of the following?

Accepted Answer

A)   a seed
B)   a sporophyte
C)   a gametophyte
D)   sperm
E)   a sporeF) A) and D)
G) All of the above

Question 13

The first land plants were bryophytes,which then branched into ferns,gymnosperms,and finally angiosperms.What key adaptation distinguishes gymnosperms from ferns?

Accepted Answer

A)   Gymnosperms can produce flowers and fruits to aid in seed dispersal.
B)   Gymnosperms go through alternation of generations.
C)   Gymnosperms have a vascular system, which allows them to grow taller.
D)   Gymnosperms produce pollen and do not require water to reproduce.
E)   The gymnosperms can grow larger gametophytes.F) D) and E)
G) B) and E)

Question 14

In alternation of generations,a haploid gametophyte goes through mitosis to form a ____ gamete.

Accepted Answer

A)   haploid
B)   sporo-
C)   tetraploid
D)   diploid
E)   micro-F) C) and E)
G) B) and D)

Question 15

Mosses are an example of which of the following?

Accepted Answer

A)   heterotrophs
B)   autotrophs
C)   decomposers
D)   primary consumers
E)   detritovoresF) B) and E)
G) D) and E)

Question 16

Many fern gametophytes are hermaphrodites,meaning they can produce both sperm and egg.Why is this necessary for a fern,but not for an angiosperm?

Accepted Answer

A)   Angiosperm gametes are already diploid.
B)   If a spore colonized a new habitat alone, it could still reproduce.
C)   If a seed colonized a new habitat alone, it could still reproduce.
D)   The gametophyte could produce multiple types of spores.
E)   The gametophyte could produce multiple types of seeds.F) D) and E)
G) B) and C)

Question 17

The fruits of plants primarily function in

Accepted Answer

A)   Both seed protection and seed dispersal are correct.
B)   providing food for animals.
C)   Both providing food for animals and seed protection are correct.
D)   seed dispersal.
E)   seed protection.F) A) and E)
G) A) and D)

Question 18

Figuer: 
-In the figure,the decrease of herbs (grasses) and increase in mosses would suggest that the climate in Siberia has become __________ in the past 10,000 years.

Accepted Answer

A)   wetter
B)   no environmentally different
C)   colder
D)   dryer
E)   hotterF) A) and B)
G) A) and C)

Question 19

The part of the vascular plant that transports sugars produced by photosynthesis to the nongreen parts of the plant is the

Accepted Answer

A)   phloem.
B)   cuticle.
C)   stomata.
D)   root.
E)   xylem.F) B) and D)
G) None of the above

Question 20

Fossil evidence places the origin of angiosperms in the early Cretaceous period,at least 130 million years ago.By 100 million years ago,all of today's major lineages of angiosperms were in place.Angiosperms make up 95% of all modern plant species.Which of the following may help explain the rapid success of angiosperms?

Accepted Answer

A)   Animals became carnivores, allowing plants to survive.
B)   Competition with animals helped spread pollen and seeds.
C)   Animals died off, allowing more plants to survive.
D)   Animals eating the plants helped to disperse both pollen and seeds.
E)   Coevolution with animals helped spread pollen and seeds.F) C) and E)
G) B) and E)

Exam 19: Plants

Correct Answer
verified

Some evidence that algae are the closest relative to plants is that they both

Correct Answer
verified

When studying an ancient ecosystem's organisms,what was the advantage of looking for DNA samples in permafrost?

Correct Answer
verified

In angiosperms,pollen is the product of a haploid microspore dividing mitotically.Therefore,pollen is which of the following?

Correct Answer
verified

The term gymnosperm literally means

Correct Answer
verified

Figuer: -In the figure,the decrease of herbs (grasses) and increase in mosses would suggest that the climate in Siberia has become __________ in the past 10,000 years.

Correct Answer
verified

Which of the following was the last to appear in the fossil record?

Correct Answer
verified

Correct Answer
verified

Which of the following is not a member of the gymnosperms?

Correct Answer
verified

Mosses are an example of which of the following?

Correct Answer
verified

In angiosperms,double fertilization

Correct Answer
verified

Conifers produce

Correct Answer
verified

Correct Answer
verified

The fruits of plants primarily function in

Correct Answer
verified

Stomata allow plants to exchange carbon dioxide and oxygen with the atmosphere.

Correct Answer
verified

Many fern gametophytes are hermaphrodites,meaning they can produce both sperm and egg.Why is this necessary for a fern,but not for an angiosperm?

Correct Answer
verified

The first land plants were bryophytes,which then branched into ferns,gymnosperms,and finally angiosperms.What key adaptation distinguishes gymnosperms from ferns?

Correct Answer
verified

The part of the vascular plant that transports sugars produced by photosynthesis to the nongreen parts of the plant is the

Correct Answer
verified

In alternation of generations,a haploid gametophyte goes through mitosis to form a ____ gamete.

Correct Answer
verified

In the life cycle of plants,what is the difference between a seed and a spore?

Correct Answer
verified

Exam 19: Plants

Correct AnswerverifiedShow Answer

Some evidence that algae are the closest relative to plants is that they both

Correct AnswerverifiedShow Answer

When studying an ancient ecosystem's organisms,what was the advantage of looking for DNA samples in permafrost?

Correct AnswerverifiedShow Answer

In angiosperms,pollen is the product of a haploid microspore dividing mitotically.Therefore,pollen is which of the following?

Correct AnswerverifiedShow Answer

The term gymnosperm literally means

Correct AnswerverifiedShow Answer

Figuer: -In the figure,the decrease of herbs (grasses) and increase in mosses would suggest that the climate in Siberia has become __________ in the past 10,000 years.

Correct AnswerverifiedShow Answer

Which of the following was the last to appear in the fossil record?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is not a member of the gymnosperms?

Correct AnswerverifiedShow Answer

Mosses are an example of which of the following?

Correct AnswerverifiedShow Answer

In angiosperms,double fertilization

Correct AnswerverifiedShow Answer

Conifers produce

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The fruits of plants primarily function in

Correct AnswerverifiedShow Answer

Stomata allow plants to exchange carbon dioxide and oxygen with the atmosphere.

Correct AnswerverifiedShow Answer

Many fern gametophytes are hermaphrodites,meaning they can produce both sperm and egg.Why is this necessary for a fern,but not for an angiosperm?

Correct AnswerverifiedShow Answer

The first land plants were bryophytes,which then branched into ferns,gymnosperms,and finally angiosperms.What key adaptation distinguishes gymnosperms from ferns?

Correct AnswerverifiedShow Answer

The part of the vascular plant that transports sugars produced by photosynthesis to the nongreen parts of the plant is the

Correct AnswerverifiedShow Answer

In alternation of generations,a haploid gametophyte goes through mitosis to form a ____ gamete.

Correct AnswerverifiedShow Answer

In the life cycle of plants,what is the difference between a seed and a spore?

Correct AnswerverifiedShow Answer

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