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Zoology > Multiple Choice Sections > Flashcards

Multiple Choice Sections Flashcards

All the multiple choice questions from every exam

1
Q

Annelids are more closely related to:
A. Mollusca
B. Arthropoda
C. Equally related to both

A

A. Mollusca

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2
Q

In which of the following sets of phyla do must animals have open circulatory systems..
A. Mollusca and Annelida
B. Annelida and Arthropoda
C. Mollusca and Nematoda
D. Mollusca and Arthropoda
E. Nematoda and Arthropoda

A

D. Mollusca and Arthropoda

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3
Q

Which of the following sets of phyla all contain animals with gills…
A. Mollusca, Annelida, Arthropoda
B. Mollusca, Annelida, Nematoda
C. Annelida, Arthropoda, Nematoda
D. Arthropoda, Nematoda, Mollusca

A

A. Mollusca, Annelida mand Arthropoda

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4
Q

A nephrostome…
A. Collects coelomic fluid for the excretory system
B. Delivers waste outside of the body
C. Is an outgrowth of the lower gut
D. Is a blind ended tube
E. None

A

A. Collects coelomic fluid for the excretory system

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5
Q

Which class of Mollusca contains animals that use a pneumostome of for gas exchange…
A. Polyplcophore
B. Gastropoda
C. Bivalvia
D. Cephalopoda
E. Xiphosura

A

B. Gastropoda

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6
Q

Only animals with heads have guts…
A. True
B. False
C. This is currently under debate

A

B. False

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7
Q

Ecdysozoa all…
A. Are monoecious
B. Shed their cuticle
C. Have direct development
D. All of the above

A

B. Shed their cuticle

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8
Q

Errantia have I can have…
A. Parapodia
B. Seasonal sex glands
C. Eyes
D. All of the above
E. None of the above

A

D. All of the above

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9
Q

Which have 3 tagamata…
A. Chelicerata
B. Crustacea
C. Hexapoda
D. None of the above

A

C. Hexapoda

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10
Q

All annelida have…
A. Direct developments
B. Indirect development
C. The phylum contains some of each
D. Neither, they all only reproduce via asexual reproduction

A

C. The phylum has both

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11
Q

A feeding structure unique to molluscs is the…
A. Lophophore
B. Beak
C. Glochidium
D. Radula
E. None of the above

A

D. Radula

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12
Q

Placozoa, cnidaria and ctenophore are usually all considered…
A. Triploblasts
B. Diploblasts
C. Monoecious
D. Dioecious

A

B. Diploblasts

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13
Q

A pore where water enters a sponge is called a…
A. Operculum
B. Ostium
C. Osculum
D Ommatidium

A

B. Ostium

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14
Q

Which cnidarian class contains animals with eyes…
A. Anthozoa
B. Scyphozoa
C. Cubozoa
D. Hydrozoa

A

C. Cubozoa

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15
Q

Which is not form of asexual reproduction in Porifera
A. Gemmules
B. Fragmentation
C. Gynogenesis
D. Budding

A

C. Gynogenesis

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16
Q

Which of these animals animals are all monoecious…
A. Rotifera
B. Homoscleromorpha
C. Scyphozoa
D. None of the above
E. All of the above

A

B. Homoscleromorpha

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17
Q

Zooid specialization occurs in…
A. Anthozoa
B. Platyctenida
C. Trematoda
D. Hydrozoa
E. Placozoa

A

D. Hydrozoa

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18
Q

Colloblasts are found in…
A. Porifera
B. Placozoa
C. Cnidaria
D. Ctenophora
E. None of the above

A

D. Ctenophora

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19
Q

Trematoda are…
A. Parasitic and direct developers
B. parasitic and indirect developers
C. Not parasitic and direct developers
D. Not parasitic and Indirect developers
E. None of the above

A

B. parasitic and indirect developers

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20
Q

Which of the following phyla does not have a complete gut…
A. Rotifera
B. Bryozoa
C. Platyhelminthes
D. Ctenophora
E. They all have complete guts

A

C. Platyhelminthes

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21
Q

No sponges have tissue layers…
A. True
B. False
C. We do not have enough info to answer this question at this time

A

B. False

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22
Q

In which of these phyla do most animals have a nerve net but not a brain
A. Rotifera
B. Platyhelminthes
C. Cnidaria
D. Porifera
E. Brachiopoda

A

C. Cnidaria

23
Q

Cyclical parthenogens are found in…
A. Rotifera
B. Placozoa
C. Brachiopoda
D. Porifera
E. Ctenophora

A

A. Rotifera

24
Q

Which of the following does NOT contribute to the differences observed in recent phylogenic trees examining the placement of ctenophores and Porifera…
A. Number of outgrips
B. Number of genes compared
C. Number of animal species included in the trees
D. All of the above
E. None of the above

A

E. None of the above

25
Q

The animal out group is…
A. The animal phylum that is most distantly related to all other animals
B. The animal phylum that is most closely related to all the other animals
C. The animal phylum that branched off from the metazoan tree closest to protostomes
D. None of the above

A

A. The animal phylum that is most distantly related to all other animals

26
Q

Phylogenetic trees are built using…
A. Comparative morphology
B. Comparative genomics
C. Comparative bibimbap
D. A+B
E. A, B, C

A

D. A+B

27
Q

The written genotype of a heterozygote is…
A. AA
B. Aa
C. aa
D. none of the above

A

B. AaN

28
Q

Nematoda and Arthropoda are…
A. Diploblasts
B. Ecdysozoa
C. Lophotrocozoa
D. Platyhelminthes

A

B. Ecdysozoa

29
Q

The fact that parasites often have shorter lifespans than their hosts is a key concept of which hypothesis for the maintenance of sex…
A. Environmental fluctuation hypothesis
B. Red Queen hypothesis
C. Deleterious mutation clearance
D. None of the above

A

B. Red queen hypothesis

30
Q

Cyclical Parthenogens…
A. Have both testes and ovaries in the same animal
B. Grow through budding
C. Cycle between asexual and sexual reproduction
D. None of the above

A

C. Cycle between asexual and sexual reproductions

31
Q

Dueterostomes but not protostomia…
A. Have complex nervous systems
B. Have sexual reproduction
C. have mosaic cell determination
D. Have the anus develop first

A

D. Have the anus develop first

32
Q

Mammals are…
A. Ctenophora
B. Cnidaria
C. Annelida
D. Chordata
E. Echinodermata

A

D. Chordata

33
Q

In mesolecithal and telolecithal eggs the yolks forms…
A. At the animal pole
B. At the vegetal pole
C. At the middle of the egg
D. None of the above

A

B. At the vegetal pole

34
Q

Which two Platyhelminthes classes have mammalian hosts…
A. Monognea and trematoda
B. Monognea and Turbellaria
C. Cestoda and Turbellaria
D. Trematoda and Cestoda

A

D. Trematoda and Cestoda

35
Q

Learning has been demonstrated in…
A. Ctenophora
B. Porifera
C. Placozoa
D. Cnidaria
E. All of the above

A

E. All of the above

36
Q

Not all neurons have synapses…
A. True
B. False
C. This is currently under debate

A

A. True

37
Q

All Platyhelminthes have a gut…
A. true
B. False
C. This is currently under debate

A

B. False

38
Q

In holoblastic cleavage all the cells in egg under go cell division and the egg is a hollow ball of cells at the blastula stage…
A. True
B. False
C. This is currently under debate

A

B. False

39
Q

Which of the following phyla are we NOT going over in detail this semester
A. Ctenophora
B. Platyhelminthes
C. Chaetognatha
D. Mollusca
E. All of the above will be covered in detail

A

C. Chaetognatha

40
Q

Filter feeders…
A. Are only in porifera
B. Are only Protostomia
C. Clean Water
D. are carnivores

A

C. Clean water

41
Q

Which of the is NOT a requirement for natural and sexual selection…
A. Organisms produce more offspring that can survive
B. Survival and reproduction are random
C. Variation is passed on to offspring
D. Variation within populations

A

B. Survival and reproduction are random

42
Q

Vertebrates can have either sexual reproduction or asexual
A. True
B. False
C. We don’t have enough info to answer this question at this time

A

A. True

43
Q

During fertilization the sperm may enter the egg when the egg is
A. A diploid primary oocyte
B. At first or second meiotic division
C. A haploid egg with a pronucleus
D. B and C
E. A, B and C

A

E. A, B and C

44
Q

Porifera, Cnidaria and Bryozoa all…
A. Are diploblasts
B. Are triploblasts
C. Only have sexual reproduction
D. None of the above

A

D. None of the above

45
Q

The development environment can influence adult…
A. Morphology and behavior
B. Behavior and sensory system
C. Morphology and sensory system
D. All characteristics mentioned in A, B, and C

A

D. All characteristics

46
Q

Epistatis is when…
A. Many genes influence the same trait
B. One gene influences multiple traits
C. An allele at one locus masks or inhibits an allele at a different locus
D. None of the above

A

C. Allele at one locus masks or inhibits an allele at a diff locus

47
Q

A change change electrical potential of the egg surface after fertilization starts is called…
A. Fertilization membrane
B. Slow block
C. Fast block
D. Polygamy

A

C. Fast blockI

48
Q

In embryos with relative cell specification at the 4-cell stage…
A. Cell specification is determined by positional info
B. Cell specification is determined by cytoplasmic info
C. Cell specification is determined by temperature
D. We don’t have enough info

A

A. Cell specialization is determined by positional info

49
Q

The main difference between natural and sexual selection is…
A. Sexual selection only acts on males
B. Natural selection but not sexual selection influences number of offspring
C. natural selection only acts on adults
D. Sexual selection influences traits that improve mating success, not necessarily survival

A

D. Sexual selection influences traits that improve mating success not necessarily survival

50
Q

Advertisements of mate quality include…
A. Condition dependent traits
B. indicators of age
C. Direct benefits
D. A and B
E. A, B and C

A

E. A, B and C

51
Q

All lower metazoan animals…
A. Have at most 2 tissue layers
B. Reproduce asexually
C. Are filter feeders
D. Are free swimming

A

A. have at most 2 tissue layersR

52
Q

Reproductive isolation is a key component of the…
A. Typological species concept
B. Biological species concept
C. Evolutionary and cohesion species concept
D. Phylogenetic species concept

A

B. Biological species concept

53
Q

Lophotrocozoan protostomes usually have…
A. Spiral cleaver and mosaic cell determination
B. Spiral cleavage and regulative cell determination
C. Radial cleavage and mosaic cell determination
D. Radial cleavage and regulative cell determination

A

A. Spiral cleaver and mosaic cell determination

Zoology (2 decks)

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