Question 1

What is NOT an ecological role of plants?

Accepted Answer

A)   occupy top level of food webs
B)   habitat for microscopic and macroscopic organisms
C)   fuel source directly as nutrition and indirectly as wood and coal
D)   prevent erosion of landscape by rooting into soil and other substrates
E)   provide oxygen that forms the ozone layerF) C) and D)
G) All of the above

Question 2

The parts of the plant that absorb water and minerals are the

Accepted Answer

A)   stomata.
B)   roots.
C)   flowers.
D)   pollen.
E)   cuticle.F) C) and D)
G) A) and B)

Question 3

What evolved in terrestrial plants to allow the exchange of gases with air?

Accepted Answer

A)   pollen
B)   stomata
C)   vascular tissues
D)   cuticle
E)   ligninF) B) and C)
G) A) and E)

Question 4

Which group of plants have phloem and xylem but lack seeds,flowers,and fruit?

Accepted Answer

A)   liverworts, hornworts, and mosses
B)   ferns, club mosses, horsetails, and whisk ferns
C)   ginkgo, cycads, conifers, and gnetophytes
D)   monocots and eudicots
E)   All plants have phloem and xylem but lack seeds, flowers, and fruit.F) A) and D)
G) C) and D) B

Question 5

Gymnosperms and angiosperms evolved ________ allowing them to live and reproduce in drier habitats than bryophytes and seedless vascular plants.

Accepted Answer

A)   spores
B)   seeds, spores, and fronds
C)   vascular tissue, spores, and fronds
D)   pollen grains and seeds
E)   fruit and flowersF) A) and B)
G) None of the above

Question 6

All angiosperms have their pollen and seeds moved by animals.

Accepted Answer

A) True 
 B)False

Question 7

Mosses are an example of which of the following?

Accepted Answer

A)   autotrophs
B)   primary consumers
C)   detritivores
D)   decomposers
E)   heterotrophsF) A) and E)
G) All of the above

Question 8

The parts of the plant that conduct water and dissolved minerals from the roots to the leaves are the

Accepted Answer

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

Question 9

The structure of the angiosperm that supplies nutrients to the germinating seedling is the

Accepted Answer

A)   endosperm.
B)   fruit.
C)   seed coat.
D)   spore coat.
E)   pollen grain.F) A) and C)
G) C) and D)

Question 10

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," what was the advantage of looking for DNA samples in permafrost?

Accepted Answer

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

Question 11

The cones of gymnosperms play the same role as ________ in angiosperms.

Accepted Answer

A)   flowers
B)   seeds
C)   leaves
D)   fruit
E)   rootsF) C) and D)
G) B) and C)

Question 12

The ________ provide(s) a waxy coating that minimizes water loss from leaves of the plant.

Accepted Answer

A)   stomata
B)   roots
C)   xylem
D)   phloem
E)   cuticleF) A) and B)
G) A) and E)

Question 13

What evolved in terrestrial plants to provide support and transport for water and minerals?

Accepted Answer

A)   stomata
B)   pollen
C)   vascular tissues
D)   cuticle
E)   ligninF) C) and E)
G) D) and E)

Question 14

What is the advantage of a gymnosperm producing a seed over a fern producing a spore?

Accepted Answer

A)   Seeds are diploid, and can grow directly into a sporophyte.
B)   Seeds are haploid, and can grow directly into a sporophyte.
C)   Seeds are diploid, and can grow directly into a gametophyte.
D)   Seeds are haploid, and can grow directly into a gametophyte.
E)   Producing seeds over spores is a disadvantage.F) B) and D)
G) All of the above A

Question 15

Bryophytes lack vascular tissue and lignin and therefore cannot

Accepted Answer

A)   sexually reproduce.
B)   grow tall.
C)   asexually reproduce.
D)   produce a gametophyte stage.
E)   produce a sporophyte stage.F) A) and E)
G) A) and D)

Question 16

Hornworts are bryophytes.

Accepted Answer

A) True 
 B)False

Question 17

Based on the fossil record,all major groups of angiosperms evolved quickly during the age of the dinosaurs.What might explain the rapid rise and success of the flowering plants?

Accepted Answer

A)   use of the wind to disperse pollen and seeds
B)   use of flowers and fruits to protect and disperse both pollen and seeds
C)   use of the wind to disperse spores
D)   use of water to disperse pollen and seeds
E)   All answers are correct.F) A) and E)
G) B) and D) B

Question 18

The main function of phloem is to transport nutrients produced in photosynthesis to the roots and other nongreen parts of the plant.

Accepted Answer

A) True 
 B)False

Question 19

All land plants have a cuticle.

Accepted Answer

A) True 
 B)False

Question 20

In plants that have two haploid gametes fuse during fertilization,the zygote is

Accepted Answer

A)   haploid.
B)   diploid.
C)   tetraploid.
D)   either haploid or tetraploid.
E)   uniploid.F) A) and E)
G) C) and D)

Exam 16: Evolution and Diversity of Plants

What is NOT an ecological role of plants?

Correct AnswerverifiedShow Answer

The parts of the plant that absorb water and minerals are the

Correct AnswerverifiedShow Answer

What evolved in terrestrial plants to allow the exchange of gases with air?

Correct AnswerverifiedShow Answer

Which group of plants have phloem and xylem but lack seeds,flowers,and fruit?

Correct AnswerverifiedB

Gymnosperms and angiosperms evolved ________ allowing them to live and reproduce in drier habitats than bryophytes and seedless vascular plants.

Correct AnswerverifiedShow Answer

All angiosperms have their pollen and seeds moved by animals.

Correct AnswerverifiedShow Answer

Mosses are an example of which of the following?

Correct AnswerverifiedShow Answer

The parts of the plant that conduct water and dissolved minerals from the roots to the leaves are the

Correct AnswerverifiedShow Answer

The structure of the angiosperm that supplies nutrients to the germinating seedling is the

Correct AnswerverifiedShow Answer

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," what was the advantage of looking for DNA samples in permafrost?

Correct AnswerverifiedShow Answer

The cones of gymnosperms play the same role as ________ in angiosperms.

Correct AnswerverifiedShow Answer

The ________ provide(s) a waxy coating that minimizes water loss from leaves of the plant.

Correct AnswerverifiedShow Answer

What evolved in terrestrial plants to provide support and transport for water and minerals?

Correct AnswerverifiedShow Answer

What is the advantage of a gymnosperm producing a seed over a fern producing a spore?

Correct AnswerverifiedA

Bryophytes lack vascular tissue and lignin and therefore cannot

Correct AnswerverifiedShow Answer

Hornworts are bryophytes.

Correct AnswerverifiedShow Answer

Based on the fossil record,all major groups of angiosperms evolved quickly during the age of the dinosaurs.What might explain the rapid rise and success of the flowering plants?

Correct AnswerverifiedB

The main function of phloem is to transport nutrients produced in photosynthesis to the roots and other nongreen parts of the plant.

Correct AnswerverifiedShow Answer

All land plants have a cuticle.

Correct AnswerverifiedShow Answer

In plants that have two haploid gametes fuse during fertilization,the zygote is

Correct AnswerverifiedShow Answer

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A

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B

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