Exam 2

Navigation » List of Schools » Santa Monica College » Biology » Biol 15N Marine Biology » Winter 2020 » Exam 2

Need help with your exam preparation?

Existing Quiz Clients Login here

Below are the questions for the exam with the choices of answers:

Try The Exam

Question #1

Patterns, shapes, and colors are used by fishes in many different ways, except in…?

A disruptive coloration

B they use all of these

C counter shading

D mood

Question #2

Large bony fishes such as tunas, jacks, and cods feed on __________ as juveniles, but switch to __________ as adults.

A phytoplankton, crustaceans

B algae, piscivory/eating fish

C zooplankton, piscivory/eating fish

D small bait fish, large mackrel

Question #3

The most ancient group of multicellular algae belongs to the division _____, which owe their distinctive color to the pigment _____.

A Rhodophyta, phycobilin

B Chlorophyta, carotenoids

C Chlorophyta, chlorophyll

D Phaeophyta, phaeophytin

Question #4

The external skeletons of foraminiferans are made of __________ , which sink and form __________ on the deep-sea floor

A silica, reef carbonates

B calcium, dolomite

C gelatin, marine snow

D calcium carbonate, calcareous oozes

Question #5

Catadromus fishes spend nearly their entire lives in/the _____ except when they reproduce in/the _____.

A estuaries, ocean

B saltwater, lakes

C freshwater, ocean

D ocean, freshwater

Question #6

__________ are the most common type of marine viruses, and are so named because they infect and kill __________ .

A Bacteriophages, bacteria

B Archaea, virons

C Prokayophages, bacteria

D Prokaryotes, phytoplankton

Question #7

Brown seaweeds, such as kelps, have gas-filled ‘floats’ called __________ for maximizing their exposure to the sun, and attach themselves to hard-bottom substrates with a __________ .

A flotsam, rooting-body

B neumatocysts, stipe

C pneumatocysts, holdfast

D air bladders, stolon

Question #8

Roundworms belong to the Phylum __________ and have a partial body cavity called a __________.

A Platyhelminthes, mesoderm

B Platyhelminthes, coelom

C Annelida, pseudocoelom

D Nematoda, pseudocoelom

Question #9

Most multicellular marine algae reproduce using a process known as ‘alteration of generations’ in which there exists a separate _____ gametophyte and _____ sporophyte stage.

A diploid, haploid

B haploid, diploid

C haploid, polyploid

D polyploid, diploid

Question #10

Which of the following is an example of a jawless fish?

A Shark

B Ray

C Hagfish

D Skate

E Whale shark

Question #11

Most cnidarians are specialized as:

A Filter feeders

B Parasites

C Plant-feeders

D Detritivores

E Carnivores

Question #12

Porpoises and dolphins are classified as belonging to the Order:

A Carnivora

B Pinnipedia

C Tetraceta

D Cetacea

E Sirenia

Question #13

Gray whales migrate every year between:

A Arctic feeding grounds in summer and Mexican breeding grounds in winter

B Arctic breeding grounds in winter and Mexican feeding grounds in summer

C Arctic feeding grounds in winter and Mexican breeding grounds in summer

D Arctic breeding grounds in summer and Mexican feeding grounds in winter

Question #14

Blubber is found in all of these marine mammals except:

A Killer whale

B Seals

C Manatee

D Sea otter

E Sea lions

Question #15

Which of the following are NOT correctly paired?

A Class Echinoidea — feather stars

B Class Holothuroidea — sea cucumbers

C Class Ophiuroidea — brittle stars

D Class Asteroidea — sea stars

Question #16

Which of the following are not protozoans?

A Radiolarians

B Ciliates

C Foraminiferans

D Amoebae

E Dinoflagellates

Question #17

Reproduction in diatoms is:

A Asexual and sexual

B Only sexual

C Only asexual

D By budding

E By parthenogenesis

Question #18

Agar is a natural product extracted from seaweeds and is used in/as a:

A Toothpaste

B Dental moulds

C Cosmetics

D Culture media

E All of the above

Question #19

The stem-like structure of seaweeds such as kelp is called the:

A Stipe

B Thallus

C Blade

D Holdfast

E Pneumatocyst

Question #20

Amongst cartilaginous fishes, extra buoyancy is provided by the:

A Pectoral fin

B Liver

C Swim Bladder

D Gills

E Mouth

Question #21

Seaweeds differ from true plants because they:

A Are photosynthetic

B Are prokaryotic

C Are unicellular

D Lack true roots, leaves, and stems

E Have no chlorophyll

Question #22

Marine flowering plants include all of the following except:

A Kelps

B Mangroves

C Cord grass

D Seagrasses

E Surf grass

Question #23

Which of the following are NOT correctly paired?

A Phylum Nemertea — ribbon worms

B Phylum Nematoda — round worms

C Phylum Cnidaria — corals

D Phylum Platyhelminthes — beard worms

E Phylum Porifera — sponges

Question #24

Which of the following does NOT apply to marine protozoa?

A Are included among the Protista

B Some are heterotrophs

C Some are autotrophs

D Their name derives from “first animals”

E Muticellular

Question #25

The planula is a:

A Larval form

B Filter-feeding worm

C Defensive structure

D Planktonic mollusc

E Feeding structure

Question #26

The only marine mammals that are herbivorous are the:

A Leopard seals

B Baleen whales

C Sea otters

D Sirenians

E Walrus

Question #27

In the deep-sea, many fish have photophores, which are:

A Sex-regulating organs

B Movement-detecting organs

C Specialized jaws

D Specialized eyes

E Light-producing organs

Question #28

Sharks can reproduce by which of the following methods

A oviparity

B viviparity

C ovoviviparity

D none of the above

E all of the above

Question #29

Which of the following organisms are often responsible for causing red tides?

A Viruses

B Bacteria

C Dinoflagellates

D Archaea

E Forams

Try The Exam

Fresh Grad Lands Job as Real Estate Agent With Help from Professional Writers

Need help with your exam preparation?

Below are the questions for the exam with the choices of answers:

Christian S.

Tyra

Linda

Manush

We accept payment