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 they use all of these

B mood

C disruptive coloration

D counter shading

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 small bait fish, large mackrel

D zooplankton, piscivory/eating fish

Question #3

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

A Chlorophyta, carotenoids

B Rhodophyta, phycobilin

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 gelatin, marine snow

B calcium carbonate, calcareous oozes

C calcium, dolomite

D silica, reef carbonates

Question #5

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

A estuaries, ocean

B ocean, freshwater

C freshwater, ocean

D saltwater, lakes

Question #6

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

A Bacteriophages, bacteria

B Prokaryotes, phytoplankton

C Prokayophages, bacteria

D Archaea, virons

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, coelom

B Nematoda, pseudocoelom

C Annelida, pseudocoelom

D Platyhelminthes, mesoderm

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, polyploid

C polyploid, diploid

D haploid, diploid

Question #10

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

A Shark

B Skate

C Hagfish

D Whale shark

E Ray

Question #11

Most cnidarians are specialized as:

A Plant-feeders

B Carnivores

C Filter feeders

D Detritivores

E Parasites

Question #12

Porpoises and dolphins are classified as belonging to the Order:

A Carnivora

B Pinnipedia

C Sirenia

D Cetacea

E Tetraceta

Question #13

Gray whales migrate every year between:

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

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

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

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

Question #14

Blubber is found in all of these marine mammals except:

A Seals

B Sea lions

C Manatee

D Sea otter

E Killer whale

Question #15

Which of the following are NOT correctly paired?

A Class Ophiuroidea — brittle stars

B Class Echinoidea — feather stars

C Class Holothuroidea — sea cucumbers

D Class Asteroidea — sea stars

Question #16

Which of the following are not protozoans?

A Ciliates

B Dinoflagellates

C Amoebae

D Foraminiferans

E Radiolarians

Question #17

Reproduction in diatoms is:

A By budding

B Asexual and sexual

C Only asexual

D Only sexual

E By parthenogenesis

Question #18

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

A Culture media

B Toothpaste

C Cosmetics

D Dental moulds

E All of the above

Question #19

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

A Stipe

B Blade

C Thallus

D Pneumatocyst

E Holdfast

Question #20

Amongst cartilaginous fishes, extra buoyancy is provided by the:

A Liver

B Gills

C Mouth

D Swim Bladder

E Pectoral fin

Question #21

Seaweeds differ from true plants because they:

A Have no chlorophyll

B Are unicellular

C Are prokaryotic

D Lack true roots, leaves, and stems

E Are photosynthetic

Question #22

Marine flowering plants include all of the following except:

A Seagrasses

B Surf grass

C Kelps

D Cord grass

E Mangroves

Question #23

Which of the following are NOT correctly paired?

A Phylum Porifera — sponges

B Phylum Nemertea — ribbon worms

C Phylum Platyhelminthes — beard worms

D Phylum Cnidaria — corals

E Phylum Nematoda — round worms

Question #24

Which of the following does NOT apply to marine protozoa?

A Muticellular

B Their name derives from “first animals”

C Some are heterotrophs

D Some are autotrophs

E Are included among the Protista

Question #25

The planula is a:

A Larval form

B Defensive structure

C Planktonic mollusc

D Feeding structure

E Filter-feeding worm

Question #26

The only marine mammals that are herbivorous are the:

A Baleen whales

B Sirenians

C Leopard seals

D Sea otters

E Walrus

Question #27

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

A Light-producing organs

B Specialized eyes

C Specialized jaws

D Movement-detecting organs

E Sex-regulating organs

Question #28

Sharks can reproduce by which of the following methods

A ovoviviparity

B viviparity

C oviparity

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 Archaea

B Dinoflagellates

C Bacteria

D Viruses

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