Exam 2 – Biology 2 Lecture — Summer

12 Jun Exam 2 – Biology 2 Lecture — Summer

Question
Assignments

?

Take Test: Exam 2

Take Test: Exam 2
Test Information
Question Completion Status:

Save All Answers

QUESTION 1

Save and Submit

2 points

Save Answer

2 points

Save Answer

Most animals show ____ symmetry.
a. radial
b. unilateral
c. bilateral
d. no
e. multilateral

QUESTION 2

A flatworm lacks:
a. bilateral symmetry
b. a nervous system
c. mesodermal tissue
d. a solute regulating system
e. a true coelom

1 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

QUESTION 3

2 points

Save Answer

Which animal has a gut with two openings, a mouth, and an anus?
a. tapeworms
b. cnidarians
c. flatworms
d. annelids
e. sponges

QUESTION 4

Question Completion Status:

2 points

Save Answer

What insulates various internal organs from the stresses of body-wall movement and bathes
them in a liquid through which nutrients and waste products can diffuse?
a. a coelom
b. mesoderm
c. a mantle
d. a water-vascular system
e. coelomic fluid

QUESTION 5

2 points

Save Answer

Which animals are bilateral with a tubular gut, a coelom and conspicuous segmentation,
inside and out?
a. sponges
b. annelids
c. cnidarians
d. mollusks
e. flatworms

2 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

QUESTION 6

2 points

Save Answer

2 points

Save Answer

Bilateral symmetry is most characteristic of:
a. sponges
b. flatworms
c. coral polyps
d. jellyfish
e. cnidarians

QUESTION 7

Question Completion Status:

Elephantiasis is caused by damage of valves that affect the flow of:
a. lymph
b. urine
c. intestinal contents
d. cerebrospinal fluid
e. blood

QUESTION 8

2 points

Save Answer

Which group has a tentacle ringed mouth and a gastrovascular cavity?
a. sponges
b. arthropods
c. flatworms
d. cnidarians
e. annelids

QUESTION 9

3 of 16

2 points

Save Answer

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

Which group is characterized by radially symmetrical members?
a. mollusks
b. cnidarians
c. flatworms
d. annelids
e. arthropods
Question Completion Status:

QUESTION 10

2 points

Save Answer

2 points

Save Answer

The most diverse animal group are the:
a. arthropods
b. mollusks
c. Cnidaria
d. nematodes
e. chordates

QUESTION 11

The collar cells of sponges that are much like the protists are called:
a. choanocytes
b. trypanozomes
c. placozoans
d. radiolarians.
e. amoeba

QUESTION 12

4 of 16

2 points

Save Answer

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

What is produced within the anthers?
a. ovules
b. stamens
c. microspores
d. female gametophytes
e. none of these
Question Completion Status:

QUESTION 13

2 points

Save Answer

Selecting the Exception

Four of the five answers listed below are adaptations to aid in dispersal of fruit. Select the
exception.
a. hooks
b. spines
c. smooth surface
d. tufted hairs
e. fleshy fruits

QUESTION 14

2 points

Save Answer

The male part of a flower includes the:
a. style only
b. both the style and anther
c. carpel only
d. stigma only
e. anther only

5 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

QUESTION 15

2 points

Save Answer

After being exposed to high intensity light for some time, how will leaf chloroplasts be
organized?
a. Chloroplasts will be distributed at either end of the cell.
b. Chloroplasts will not be able to adjust positions.
c. Chloroplasts will evenly distribute across the cell.
d. Chloroplasts will move toward leaf surfaces.
Question Completion Status:
e. Chloroplasts will move toward internal tissues.

QUESTION 16

2 points

Save Answer

2 points

Save Answer

Which fruit is an aggregate fruit?
a. pea
b. apple
c. watermelon
d. blackberry
e. maple

QUESTION 17

Abscisic acid binding causes a plant cell to release a gas called nitric oxide (NO), which
increases ____ levels within the cell.
a. calcium
b. potassium
c. chlorine
d. nitrogen
e. sodium

6 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

QUESTION 18

2 points

Save Answer

What extracellular plant signaling molecules can exert their effects at very low
concentrations?
a. pheromones
b. peptide
c. hormones
d. enzymes
e. plasmodesmata

Question Completion Status:

QUESTION 19

2 points

Save Answer

While on a hike in the forest, you notice that some trees have leaves with small brown spots
of dead tissue on some leaves. You suspect that the levels of ____ must be high in these
cells.
a. epicatechin
b. abscisic acid
c. hydrogen peroxide and nitric oxide
d. ethylene
e. jasmonic acid

QUESTION 20

2 points

Save Answer

Which hormone causes lengthening in plants by stimulating cell division and elongation
along the long axis of stems and other organs?
a. gibberellin
b. auxin
c. cytokinin
d. abscisic acid
e. ethylene

7 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

QUESTION 21

2 points

Save Answer

Grafting is used to grow all varieties of edible apples. What does grafting involve?
a. inducing a cutting from one plant to fuse with the tissues of another plant
b. repairing a damaged stem of a plant to continue its growth
c. artificially inducing individual cells to divide and form an embryo
d. inducing polyploidy in plants
e. growing new roots and shoots
from Completion
extensions oStatus:
Question

QUESTION 22

2 points

Save Answer

The various flower parts are attached to a modified branch called the:
a. style
b. filament
c. sepal
d. receptacle
e. stigma

QUESTION 23

2 points

Save Answer

2 points

Save Answer

What is the organic constituent of soil called?
a. clay
b. gravel
c. humus
d. silt
e. sand

QUESTION 24

8 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

Humus does not include:
a. decomposing organic matter
b. leaf litter
c. weathered rock
d. feces
e. dead organisms
Question Completion Status:

QUESTION 25

2 points

Save Answer

At a low sugar region of a plant, sugars move from ____ into ____.
a. sieve elements; sink cells
b. phloem; source cells
c. the low pressure phloem; the high pressure plant tissue
d. xylem; phloem
e. sieve elements; source cells

QUESTION 26

2 points

Save Answer

Selecting the Exception

Four of the five answers listed below are macronutrients. Select the exception.
a. nitrogen
b. magnesium
c. phosphorus
d. copper
e. sulfur

9 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

http://blackboard.hillcollege.edu/webapps/assessment/take/launc…

Most of the water that enters the plant:
a. leaves the plant through the root system
b. is lost through transpiration
c. is used up in cellular metabolism
d. remains in the plant to form the high concentration of water in plant tissue
e. remains in the plant to function in translocation
Question Completion Status:

QUESTION 28

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

What is the inorganic soil constituent with the finest particles?
a. clay
b. sand
c. gravel
d. humus
e. silt

QUESTION 29

If the cuticle is removed from a leaf, it will:
a. lose water by evaporation and wilt
b. turn yellow
c. lose water by cohesion and die
d. be unable to photosynthesize
e. be unable to carry on transpiration

QUESTION 30

10 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

Which soil layer is rich with decomposed organic material?
a. bedrock
b. O Horizon
c. A Horizon
d. C Horizon
e. B Horizon
Question Completion Status:

QUESTION 31

2 points

Save Answer

____ is the process by which water removes and carries away soil nutrients.
a. Leaching
b. Diffusion
c. Erosion
d. Water dilution effect
e. Absorption

QUESTION 32

2 points

Save Answer

2 points

Save Answer

The Casparian strip is associated with:
a. the epidermis
b. root hairs
c. cortex
d. vascular tissue
e. the endodermis

QUESTION 33

11 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

Selecting the Exception

Four of the five answers listed below are related to phloem. Select the exception.
a. conducting tubes that are dead
b. sucrose
c. sieve tubes
d. translocation
e. companion cells

Question Completion Status:

QUESTION 34

2 points

Save Answer

2 points

Save Answer

Which species can be included in the group called "hominids"?
a. monkeys, humans, and apes
b. apes
c. humans
d. humans and apes only
e. monkeys

QUESTION 35

The most primitive vertebrates are members of the group of:
a. amphibians
b. cartilaginous fish
c. birds
d. jawless fishes
e. bony fish

12 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

What is the chordate feature still present in the human adult?
a. pharyngeal gill slits
b. nerve cord
c. notochord
d. tail
e. nerve cord and notochord
Question Completion Status:

QUESTION 37

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

Live birth is characteristic of:
a. marsupials only
b. monotremes only
c. placentals only
d. marsupials and placentals
e. birds only

QUESTION 38

The species Homo sapiens is thought to be how many years old?
a. 25,000
b. 60,000
c. 95,000
d. 120,000
e. 195,000

QUESTION 39

13 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

Birds differ from more primitive vertebrates in that birds:
a. have the ability to fertilize eggs internally
b. have an amniotic egg
c. possess a dorsal nerve cord
d. have four limbs
e. have the ability to maintain a constant body temperature
Question Completion Status:

QUESTION 40

2 points

Save Answer

What allows mammals to process a wider variety of foods than other vertebrates?
a. They have four types of teeth.
b. They have sharper teeth.
c. They have two types of teeth.
d. They have larger mouths.
e. They have jaws.

QUESTION 41

2 points

Save Answer

2 points

Save Answer

In jawed fishes, the gills primarily serve which function?
a. gas exchange only
b. feeding only
c. water elimination only
d. both feeding and gas exchange
e. waste excretion only

QUESTION 42

14 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

Selecting the Exception

Four of the five answers below characterize one group of chordates. Select the exception.
a. hollow skeleton
b. feathers
c. endothermic
d. small teeth
e. four-chambered heart

Question Completion Status:

QUESTION 43

2 points

Save Answer

2 points

Save Answer

Sharks, rays, and skates belong to what group?
a. lobe-finned fish
b. cartilaginous fish
c. ray-finned fish
d. reptiles
e. bony fish

QUESTION 44

Tailless nonhuman primates are commonly called: (name the group)
a. apes
b. chimpanzees
c. hominoids
d. new world monkeys
e. anthropoid primates

15 of 16

7/19/16, 11:37 PM

Take Test: Exam 2 – Biology 2 Lecture — Summer II 2016 …

By adjusting the volume of gas in ____, a ray-finned fish can change its buoyancy so
that it remains suspended at the desired depth.
a. gills
b. lungs
c. buoyancy sac
d. bladder
e. swim bladder
Question Completion Status:

QUESTION 46

10 points

Save Answer

Which animal presented in the group projects do you believe is the most unique? Why do you think
your choice is unique? Why is this organism grouped into the Kingdom and Phylum mentioned in the
presentation?
Arial

3 (12pt)

Path: p

Words:0

Click Save and Submit to save and submit. Click Save All Answers to save all answers.

Save All Answers

16 of 16