ZLY 201 PRACTICE QUESTIONS

WRITTEN BY: KENNYKAY AND MHIZKENNY

AMOEBA, EUGLENA, PARAMECIUM & PLASMODIUM(1)Amoeba uses the _________ and ___________ of the false feet for locomotion (a)pseudopodia,lobopodia (b) lobopodia, blepharoplast (c) lobopodia, filopodia (d) pseudopodia, filopodia

(2)The movement of food vacuole in endoplasm of cell is termed __________ (a)autholysis(b)undulation (c)paraphysis (d)cyclosis

(3)A mode of nutrition whereby organisms feed on endosymbiotic algae is known as ________(a)saprophytic (b)mixotrophic (c)autotrophic (d)heterotrophic

(4)All of this are invasive forms of production of plasmodium except _________ (a)kinetozoite(b)trophozoite (c)merozoites (d)sporozoite

(5)Under adverse condition, amoeba reproduce by__________ (a)longitudinal binary fission(b)transverse binary fission (c)conjugation (d)multiple fission

(6)Excess water are ejected from the cytoplasm of paramesium by __________ (a) ex-osmosis(b)diffusion (c)osmosis (d)ex-diffusion

(7)The time between the first appearance of blood from malaria parasite is known as _________(a)sucking period (b)incubation period (c)reproduction period (d)dispersal period

(8)The mode of nutrition practices by amoeba is __________ (a)holozoic (b)holophytic(c)mixotrophic (d)saprophytic

(9)Activities of the cilia is controlled by the __________ (a)kinetostome (b)motorium(c)blepharoplast (d)pseudopodia

(10)Plasmodium has ________ amount of chromosome?(a)12 (b)14 (c)16 (d)18

(11)_________ type of plasmodium causes quartian fever in human

(a)P falciparum (b) P malariae (c)P knowlesi (d)P ovale & vivax

(12)The body wall of a paramesium consist of ______ layers?

(a)1 (b)2 (c)3 (d)4

(13)The movement of food vacuole in endoplasm of cell is termed __________

(a)autholysis (b)undulation (c)paraphysis (d)cyclosis

(14)_________ type of plasmodium causes tartian fever in human

(a)P falciparum (b) P malariae (c)P knowlesi (d)P ovale & vivax

(15)In digestion on paramesium, the vacuole content becomes acidic initially at a pH _________before digestion (a)1-2 (b)2-4 (c)3-6 (d)6-8

(16)Paramesium reproduces by _________

(a)transverse binary fission (b)longitudinal binary fission (c)budding (d)multiple fission

(17)The mode of nutrition practices by amoeba is __________

(a)holozoic (b)holophytic (c)mixotrophic (d)saprophytic

ANSWERS TO E- CLASSROOM ZLY 201 QUESTIONS (PROTOZOANS)

1C 2D 3B 4A 5D 6A 7B 8A 9B 10B 11B 12B 13D 14D 15B 16A 17A

PORIFERA(1) All of these are made up of spicules in sponges EXCEPT _________

(a)proteins

(b)CaCO3

(c)silica

(d)organic spongia

(2)In porifera, water current enters through the _________

(a)paragster

(b)ostia

(c)osculum

(d)spongocoel

(3)________ cells are known as wandering cell

(a)choanocyte

(b)pinnacocyte

(c)sporocyte

(d)amoebocyte

(4)_________provides a form of rigidity to sponges

(a)pinnacocyte

(b)amoebocyte

(c)choanocyte

(d)porocyte

(5)Food reserves are stored in porifera as __________ or ________

(a)glycerol or protein

(b)glycogen or protein

(c)glycerol or lipoprotein

(d)glycogen or lipoprotein

(6)________ are doughnut like cells surrounding the ostia

(a)porocyte

(b)choanocyte

(c)amoebocyte

(d)pinnacocyte

(7) In lecosolenia, the skeletal cells are _________ or ________

(a)doughgnut-like/ triradiate

(b)needle-like / triradiate

(c)doughtnut-like / biradiate

(d)needle-like / biradiate

(8)The middle mesohyl layer contains the ______

(a)amoebocyte

(b)choanocyte

(c)porocyte

(d)pinnacocyte

(9)In leucoselonia, the outer and inner layer consist of the _________ and ________ cells

(a)choanocyte and pinnacocyte

(b)choanocyte and amoebocyte

(c)pinnacocyte and choanocyte

(d)pinnacocyte and amoebocyte

(10)Porifera are said to be acellular level of organization because of ___________

(a)they are said to be the dead end in evolution

(b)the cells carry out more than one function

(c)they have more than one cell

(d)the cells do not cooperate with one another

(11)The ability for new organism to develop form fragment is termed _________

(a)Reproduction

(b)halorecognition

(c)fertilization

(d)maturation

(12)________ are said to be Jack of all trades

(a)choanocyte

(b)pinnacocyte

(c)porocyte

(d)amoebocyte

(13)Engulfing cells in the reproduction of leuosolumia are known as __________

(a)nurse cells

(b)doctor cells

(c)amoebocyte

(d)choanocyte

(14)The free swimming larva stage in porifera are known as ________

(a)veliger larva

(b)planular larva

(c)amphiblastula larva

(d)glochidium larva

(15)In porifera, water current leaves through the ________

(a)paragster

(b)ostia

(c)osculum

(d)spongocoel

ANSWERS TO E-CLASSROOM ZLY 201(PORIFERA) QUESTIONS

1A 2B 3D 4A 5D 6A 7B 8A 9C 10D 11B 12D 13A 14C 15C

CNIDARIANS(1)The organ used for attachment in cnidarians is _________

(a)holdfast

(b)rhizines

(c)basal disc

(d)false feet

(2)The body structure of cnidarians are ________

(a)monoblastic

(b)diploblastic

(c)triploblastic

(d)tetraploblastic

(3)__________ are unspecialized cells in cnidarians that give rise to any other type of cell or toegg and sperm

(a)musculoepithel cell

(b)amoebocyte

(c)interstitial cell

(d)mitotic cells

(4)A type of cnidocyst used as sticken tubules and Anchorage is ___________

(a)volvent

(b)pelletrants

(c)glutinants

(d)nematocyst

(5)A distinctive feature possessed by hydra and absent in sponges is the possession of ________

(a)amoebocyte

(b)attachment dis

(c)tentacles

(d)nerve cells

(6)Fertilization in hydrozoa is ________

(a)internal

(b)external

(c)internal and external

(d)none of the above

(7)The absence of larva stage in hydrozoa is due to ________

(a)adaptation to fresh water

(b)absence of sexual reproduction

(c)cross fertilization

(d)hermaphroditism

(8)Marine hydrozoa are attached to substrate by__________

(a) basal disc

(b)rhizines

(c)holdfast

(d)hydrorrhiza

(9)__________ are known as feeding polyp

(a)gastozooids

(b)gonozooids

(c)hydrotheca

(d)gonotheca

(10)Matured medusa bud off from gonozoid in an opening knows as_________

(a)hydrotheca

(b)gonotheca

(c)hydrocalus

(d)hydrorrhiza

(11)One of this not asexual reproduction

(a)budding

(b)pedal laceration

(c)hermaphroditism

(d)fragmentation

(12)A class of cnidarian that lack polyploid stage is _______

(a)hydrozoa

(b)scyphozoa

(c)cubozoa

(d)anthozoa

(13)A class of cnidarian that lack medusoid stage is _______

(a)hydrozoa

(b)scyphozoa

(c)cubozoa

(d)anthozoa

(14)The largest phylum in cnidarians is ________

(a)hydrozoa

(b)scyphozoa

(c)cubozoa

(d)anthozoa

(15)One of the following characteristics is found in cnidarians

(a)cephalization

(b)possession of celoemic fluid

(c)nervous system

(d)blood system

(16)Swimming of obelia is _________

(a)vertical

(b)horizontal

(c)diagonal

(d)longitudinal

(17)Jelly fish is an example of class ________

(a)hydrozoa

(b)scyphozoa

(c)cubozoa

(d)anthozoa

(18) _Aurelia auriata_ are ________ feeders

(a)filter feeders

(b)suspension feeders

(c)tentacular feeders

(d)fluid feeders

(19)The endoderm of the ________ class consist of nematocyst

(a)hydrozoa

(b)scyphozoa

(c)cubozoa

(d)anthozoa

(20)Circulation in _Aurelia auriata_ is by ____________

(a)vascular system

(b)gastro system

(c)blood system

(d)gastrovascular system

(21)One of these is a function of diffused net in class scyphozoa

(a)it controls swimming muscles

(b)it controls feeding

(c)it control involuntary actions

(d)it controls the rophalium

(22)The polyp larva form in class scyphozoa is known as ________

(a)scyphistoma

(b)ephyral

(c)stobilla

(d)medusae

(23) _Actina eqinox_ possess _____ pairs of primary septa

(a)2

(b)4

(c)6

(d)8

(24)________ is a thread like defensive organ in class anthozoa

(a)syncotia

(a)leucontia

(c)acontia

(d)nematocyst

(25)One of these is not a distinctive features of sea anemone

(a)they possess septa

(b) they possess siphologlyphs

(c)they possess stomadeum

(d)they possess hypostome

(26)On the class scyphozoa, the ________ muscles shorten the animal and the _________muscles elongates it

(a)longitudinal and transverse

(b)longitudinal and spinister

(c)parietal and transverse

(d)parietal and longitudinal

(27)Creeping or gliding movement is aided by __________ in _Aquina eqinox_

(a)longitudinal

(b)transverse

(c)parietal

(d)spinister

(28)One of these is not a means of asexual reproduction

(a)pedal laceration

(b)longitudinal fission

(c)budding

(d)conjugation

ANSWERS TO E- CLASSROOM ZLY 201(CNIDARIANS) QUESTIONS

1C 2B 3C 4C 5D 6B 7A 8D 9A 10B 11C 12BONUS(they all have polyp stage) 13D 14D 15A 16A17B 18B 19B 20D 21B 22A 23C 24C 25D 26A 27C 28D

PLATYHELMINTHES(1)Parasitic, hooks and suckers, cuticles and unsegmented are features of the class _________of the platyhelminthes

(a)Tubellaria

(b)Trematoda

(c)Cestoda

(d)Dugesia

(2)Over ______ to ______ species of platyhelminthes are known

(a)9000-12000

(b)12000-15000

(c)15000-20000

(d)20000-50000

(3)Multicellular, bilaterally symmetrical, acelomate and worm like animal are characteristics ofthe ________ phylum

(a)Cnidarians

(b)Platyhelminthes

(c)Nematoda

(d)Annelida

(4)Possession of rhabdite is an adaptive feature of the class __________

(a)Cestoda

(b)Trematoda

(c)Tubellaria

(d)Polychaete

(5)Presence of scolex, endoparasite, segmented body, hooks and suckers are features of theclass __________

(a)Cestoda

(b)Trematoda

(c)Tubellaria

(d)Polychaete

(6)The small projection found on either side of the anterior end of dugesia is called _________

(a)ventricle

(b)rhabdite

(c)gonopore

(d)auricle

(7)________ serves as support for the epidermal layer and also for support for underline musclelayer in flatworms

(a)basement membrane

(b)mesenchyme

(c)muscle layer

(d)rhabdite

(8)The intestine of the planarian is divided into _______ caeca

(a)1

(b)2

(c)3

(d)4

(9)Digestion in the class tubellaria is _________

(a)intracellular

(b)extracellular

(c)intracellular and extracellular

(d)none of the above

(10)Reserve food are stored as ________ and ________ in planarian

(a)fat and oil

(b)fat and protein

(c)glycogen and protein

(d)glycogen and starch

(11)The excretory system in flatworms is the _________

(a)nephridium

(b)malpighian tubule

(c)flame cells

(d)kidney

(12)__________ performs skeletal role, circulation and respiration in flatworms

(a)flame cell

(b)basement membrane

(c)epithelia tissue

(d)mesenchyme

(13)________ receptor orientate planarian to water current and help in prey detection

(a)photoreceptor

(b)chemoreceptor

(c)tangoreceptor

(d)rheomoreceptor

(14)The phylum _______ marks the onset of Central nervous system and cephalization

(a)Cnidarians

(b)Platyhelminthes

(c)Nematoda

(d)Annelida

(15)Asexual reproduction in dugesia is by _________

(a)transverse binary fission

(b)longitudinal binary fission

(c)hermaphroditism

(d)fragmentation

(16)Fertilization in planarian, flukes and tapeworm is ________, ________ and ________

(a)self, cross and cross

(b)cross, self and self

(c)cross, self and cross

(d)self, cross and cross

(17)The reproductive system of the class _______ lacks seminal vessicle

(a)Cestoda

(b)tubellaria

(c)trematoda

(d)polychaete

(18)The copulatory tube that serves as the vagina in _Fasciola hepatica_ is called ________

(a)mehlis canal

(b)laurer's canal

(c)mehlis gland

(d)laurer's gland

(19)The stage in regeneration whereby the regenerated part are fit to function in the newindividual is the ________

(a)Epimorphosis

(b)Morpholysis

(c)Epimorpholysis

(d)Morphollaxis

(20)2 suckers, 3 muscle layer, ecto and endoparasite are features of the class ________ of theflatworms

(a)tubellaria

(b)Cestoda

(c)trematoda

(d)polychaete

(21)Digestion in _Fasciola hepatica_ is __________

(a)extracellular

(b)intracellular

(c)intracellular and extracellular

(d)none of the above

(22)Food reserve is stored as ________ and _______ in _Fasciola hephatica_

(a)glycogen and starch

(b)fat and protein

(c)glycogen and protein

(d)fat and starch

(23)One of these tapeworms is not hermaphrodite

(a) _Taenia solium_

(b) _Taenia saginata_

(c) Dioecocestus

(d) _Lumnade truncatula_

(24)Endoparasite, absence of digestive tract, segmented body are features of _________ class ofPlatyhelminthes

(a)Cestoda

(b)tubellaria

(c)trematoda

(d)Annelida

(25)One of these is not a larva stage in the class Trematoda

(a)cysticercus

(b)metacercaria

(c)miracidium

(d)sporocyst

(26)Reproduction in the class planaria, trematoda and Cestoda is ________, ________ and ________

(a)direct, indirect and indirect

(b)indirect, direct and direct

(c)direct, indirect and direct

(d)indirect, direct and indirect

(27)Tapeworm attach to the digestive lining of the host by means of ________

(a)proglottis

(b)osculum

(c)scolex

(d)strobilla

(28)The intermediate and primary host in the _Fasciola hepatica_ is the ________ and ________

(a) _Lymnade truncatula_ and snail

(b) _Archachitina marginata_ and sheep

(c) _Lumnade truncatula_ and sheep

(d) _Archarina marginata_ and snail

(29)Food is stored mainly as ________ in the class Cestoda

(a)fat

(b)protein

(c)starch

(d)glycogen

(30)In human, the infective stage of the liver fluke is the _________

(a)sporocyst

(b)miracidium

(c)redia

(d)metacercaria

ANSWERS TO E- CLASSROOM ZLY 201 (PLATHHELMINTHES) QUESTION

1B 2B 3B 4C 5A 6D 7A 8C 9C 10B 11C 12D 13D 14B 15A 16B 17A 18B 19D 20C 21A 22A 23C24A 25A 26A 27C 28C 29D 30D

NEMATODA(1)An example of a free living roundworm is ___________

(a) Ascaris suun

(b) hookworm

(c) Thoratostoma

(d) Ancyclostoma duodenale

(2)The species of roundworm that causes elephantiasis in human is __________

(a) Wuchereria pancrofti

(b) Ascaris lumbricoides

(c) Ascaris megalophala

(d) Ancyclostoma duodenale

(3)The phylum Nematoda are successful group of animals with over ________ species

(a)20,000

(b)100,000

(c)300,000

(d)500,000

(4)Development in roundworm is __________

(a)direct

(b)indirect

(c)direct and indirect

(d)all of the above

(5)One of these is not a difference between a male roundworm and a female roundworm

(a)the body of male is smaller than female

(b)the male lacks penial setae while the female possess it

(c)the posterior tail is curved ventrally in male and straight in female

(d)the anus and genital pore is common in male but separate in female

(6)_________ helps in the secretion of the multi-layer proteinaceous cuticle in roundworms

(a)epidermis

(b)coelom

(c)hypodermis

(d)pseudocoelom

(7)One of these features is not for the phylum Nematoda

(a)pseudocoelom and non segmented

(b)no circulatory system, respiration is anaerobic

(c)circular and diagonal muscle fibres

(d)non-flagellated sperm and two tubular uterus

(8)The transverse section of the lumen in nematodes is ______ shaped

(a)Y shaped

(b)A shaped

(c)H shaped

(d)N shaped

(9)Digestion on roundworm is __________

(a)intracellular

(b)extracellular

(c)intracellular and extracellular

(d)no digestive system

(10)An example of roundworm that affects the conjuctiva of eyes is the __________

(a) Wuchereria pancrofti

(b) Enteroboius vermicularis

(c) Necator Americans

(d) loaloa

(11)Non metamerically segmented, pseudocoelomate, cylindrical shaped, presence of mouthand anus are features of the phylum ___________

(12)The anterior terminal mouth in roundworms is surrounded by ________ lips which are located_________ and __________

(a)2, laterally and dorso-ventrally

(b)3, dorsally and ventro-lateral

(c)3, laterally and dorso-ventrally

(d)2, dorsally and ventro-lateral

ANSWERS TO E- CLASSROOM ZLY 201(NEMATODA) QUESTIONS

1C 2A 3D 4A 5B 6C 7C 8A 9B 10D 11Nematoda 12B

ANNELIDA1.The first phylum to exhibit both segmentation and coelom is phylum ___________

(a)Cnidarians

(b)Platyhelminthes

(c)Nematoda

(d)Annelida

2.One of these is not a constituent of the body wall of bristleworm

(a)a thin cuticle

(b)epidermis

(c)outer circular muscle

(d)inner diagonal muscle

3.Digestion in annelida is ___________

(a)intracellular

(b)extracellular

(c)A and B

(d)all of the above

4.The free living larva stage in annelids is _________

(a)amphiblastula larva

(b)planular larva

(c)trocophore larva

(d)veliger larva

5.One of these is not a main innovation found in annelids

(a)blood system

(b)metamerism

(c)coelom

(d)trocophore larva

6.Earthworm is classified under the class _________ of the phylum annelida

(a)polychaete

(b)Hirudinea

(c)oligochaeta

(d)monochaete

7.The body of _Nereis diverticolor_ is divided into ________ segment

(a)33

(b)50

(c)100

(d)20

8.In ragworms, the prostomiun head bears _________ tentacles while the prostomiun head bears________ tentacles

(a)2 and 4

(b)4 and 2

(c)2 and 8

(d)8 and 2

9.One of this is a function of parapodium in annelids

(a)locomotion

(b)respiration

(c)all of the above

(d)none of the above

10.The excretory system and products in ragworm is ________ and _________

(a)nephridia and NH3

(b)malpighian tubule and uric acid

(c)nephridia and uric acid

(d)flame cell and NH3

11.All are examples of sense organs used in annelids EXCEPT __________

(a)antennae

(b)tentacles

(c)olfactory pits

(d)2 pairs of eyes

12.Ragworms reproduces _________

(a)asexually

(b)sexually

(c)sexually and asexually

(d)all of the above

13.One of these is not a difference between leeches and ragworms

(a)leeches possess parapodia and tentacles while ragworm lacks it

(b)leeches lacks palps and tentacles while ragworm possess it

(c)leeches possess suckers and ragworms possess jaws and lips

(d)leeches habitat is fresh water while ragworm's habitat is marine habitat

14.In leeches, the male genital opening is located on the __________ annulus of the _________segment

(a)3rd/10th

(b)4th/10th

(c)3rd/11th

(d)4th/11th

15.In leeches, the female genital opening is located on the __________ annulus of the ________segment

(a)3rd/10th

(b)4th/10th

(c)3rd/11th

(d)4th/11th

16.The mode of feeding exhibited by leeches is _________

(a)filter feeders

(b)fluid feeders

(c)tentacular feeders

(d)macrophages feeder

17.In leeches, the jaws consist of pharynx, ________ voluminous crops, a pair of caeca, stomachand anus

(a)11

(b)22

(c)33

(d)44

18.Gaseous exchange in Hirudo medicinalis is through the _________ except in _________ leeches

(a)body surface/fish

(b)pneumostome/human

(c)parapodium/fish

(d)nose/human

19.The sensory organ use in the class Hirudinea is __________

(a)muchan organ

(b)palps and tentacles

(c)sensillae

(d)statocyst

20.Due to their hermaphroditism, leeches practice ________ fertilization

(a)self fertilization

(b)cross fertilization

(c)A and B

(d)none of the above

ANSWERS TO E- CLASSROOM ZLY 201(ANNELIDA) QUESTIONS

1D 2D 3B 4C 5A 6C 7C 8C 9C 10A 11A 12D 13A 14B 15D 16B 17B 18A 19C 20B

MOLLUSCA( Archanchatina marginata)

(1) Archanchatina marginata differs from other gastropods in that ___________

(a)it has a shell

(b)body consist of visceral mass

(c)it respires using the gills

(d)it respires with lungs

(2)During the aestivation stage of the land snail, the aperture of the shell is closed up with________

(a)columella

(b)epiphragm

(c)suture

(d)visceral mass

(3)The shell of Archanchatina marginata is in form of a spirally coiled hollow cone round a axiscalled ________

(a)columella

(b)epiphragm

(c)suture

(d)dextral

(4)When the aperture of a shell is open to the left, it is said to be __________ and when it opens tothe right, it is said to be __________

(a)sinistral/dextral

(b)dextral/sinistral

(c)spinister/dextral

(d)dextral/spinister

(5)The spiral line marking the junctions of whorls is the _________

(a)tagmata

(b)axis

(c)suture

(d)columella

(6)The anterior tentacles of the land snail is ________ and _________

(a)tactile/optical

(b)olfactory/optical

(c)tactile/olfactory

(d)olfactory/occiliferous

(7)The lubricating mucus for the gliding movement of the snail is produced by the ________gland

(a)visceral

(b)cephalic

(c)cystace

(d)pedal

(8)The globular stomach of the giant African land snail is modified for _________ feeding

(a)macrophagus

(b)microphagus

(c)holophytic

(d)holozoic

(9)The heart chamber of the snail is divided into _________ and ___________

(a)1 auricle/ 1 ventricle

(b)1 auricle/ 2 ventricles

(c)2 auricles/ 1 ventricle

(d)2 auricles/ 2 ventricles

(10) Archanchatina marginata has _________ kidney and excrete ________

(a)1/ ammonia

(b)2/ uric acid

(c)1/ uric acid

(d)2/ ammonia

(11)All of these are modifications to reproduction of Archanchatina marginata on land EXCEPT

(a)presence of trocophore larva

(b)internal fertilization

(c)shelled egg to prevent dessication

(d)self sufficient eggs with regards to nutrient

(12)Fertilization and development in the giant West African land snail is _________ and _________

(a)external and direct

(b)internal and indirect

(c)external and indirect

(d)internal and direct

(13)The organ for respiration in Archanchatina marginata is _________ breathing in and outthrough the _________

(a)gills/mouth

(b)ctenida/pneumostome

(c)mantle cavity/mouth

(d)lungs/pneumostome

(14)In snails, the ________ artery supplies the anterior part of the body with blood

(a)hepatic

(b)cephalic

(c)pedal

(d)visceral

(15)The fertilization chamber in the giant African land snail is formed from the _________

(a)ovotestis duct

(b)little hermaphrodite duct

(c)big hermaphrodite duct

(d)spermatheca duct

ANSWERS TO E- CLASSROOM ZLY 201 (Archanchatina marginata) QUESTIONS1D 2B 3A 4A 5C6C 7D 8A 9A 10C 11A 12D 13D 14B 15B

Aspartaria sinuata(1)Fresh water mussel convey large and heavy particles to the ________

(a)crest of the ridge towards the mouth

(b)the body mass of the labial palp

(c)free edged of the palp

(d)through the excurrent siphon

(2)The muscle responsible for movement in bivalve is _________

(a)anterior and posterior adductor

(b)protrator muscle

(c)anterior and posterior retractor

(d)longitudinal and circular muscle

(3)Bivalves natural habitat is _________

(a)fresh water

(b)Marine water

(c)brackish water

(d)coastal water

(4)The two shells of the bivalve are joined dorsally together by a _________

(a)adductor muscle

(b)hinge ligament

(c)protractor muscle

(d)retractor muscle

(5)The line that indicates the point of attachment of the mantle lobe to the shell is _________

(a)labial line

(b)lateral line

(c)intercalary line

(d)pallial line

(6)The respiration organ in Aspatharia sinuate is the ___________

(a)Gill

(b)ctenidium

(c)lung

(d)radula

(7)Food particles suspended in the current are filtered out by the __________ in bivalves

(a)lateral frontal cilia

(b)ostia

(c)inter lamilla spaces

(d)super branchia cavity

(8)One of these is not a constituent of the alimentary canal of the Aspatharia sinuata

(a)stomach

(b)digestive gland

(c)mid gut

(d)hind gut

(9)Digestion in bivalves is __________

(a)intracellular

(b)extracellular

(c)A and B

(d)none of the above

(10)A ventral ridge that increases the body surface of the digestive system, internally the rectumin bivalves is the __________

(a)ctenidium

(b)style sac

(c)perivisceral vessel

(d)typhlosole

(11)The chambers of heart in bivalve is divided into ______

(a)one auricle, one ventricle

(b)two auricles, two ventricles

(c)two auricles, one ventricle

(d)one auricle, two ventricles

(12)The lack of respiratory surface in the gut of bivalves is due to ________

(a)low metabolic rate

(b)large Gill surface

(c)A and B

(d)none of the above

(13)The excretory organ in the fresh water mussel is ________

(a)nephridium

(b)one kidney

(c)Green gland

(d)two kidney

(14)One of these is not a sense organ/ nervous system im bivalves

(a)cerbebopleural ganglia

(b)statocyst

(c)sensillae

(d)osphradium

(15)A larva for dispersal phase for sedentary mollusc is ________

(a)planular

(b)trocophore

(c)veliger

(d)glochidium

(16)Fertilization in bivalves is ________ with free swimming _______ larva

(a)internal/ planular

(b)external/ trocophore

(c)external/ planular

(d)internal/ trocophore

(17)The real larva in mussels is the ________

(a)planular

(b)trocophore

(c)veliger

(d)glochidium

(18)The animal that serves as the agent of dispersal for Aspartaria sinuata is the _______

(a)fishes

(b)snails

(c)shark

(d)seaweed

ANSWERS TO E- CLASSROOM ZLY 201 (Aspartaria sinuata)

1C 2C 3A 4B 5D 6B 7A 8D 9B 10D 11C 12C 13D 14C 15A 16A 17D 18A

SEPIA(1)The rapid colour change in sepia is as a result of the presence of the pigment __________

(a)melamine

(b)cytokinin

(c)chromatophores

(d)keratin

(2)One of these is not a constituent of external features of sepia

(a)cuttlebone

(b)two large eyes

(c)8 pointed arms

(d)2 long tentacles

(3)The cuttlebone of the sepia is formed from _______ and ________

(a)lipoprotein and chitin

(b)CaCO3 and fat

(c)protein and starch

(d)CaCO3 and protein

(4)The cuttlebone of sepia is concealed and secreted by the __________

(a)mantle

(b)visceral hump

(c)epidermis

(d)hypodermis

(5)One of these is not a function of the internal bone in sepia

(a)for buoyancy

(b)as endoskeleton for muscle attachment

(c)all of the above

(d)none of the above

(6)The mode of feeding sepia exhibit is _________

(a)herbivorous

(b)carnivorous

(c)omnivorous

(d)mixovorous

(7)The first pair and second pair of salivary gland in sepia produces _______ and ________

(a)saliva and ptyalin

(b)mucus and neurotoxin

(c)mucus and melanin

(d)melamine and chromatophores

(8)Digestion in sepia is ________

(a)intracellular

(b)extracellular

(c)A and B

(d)none of the above

(9)The respiratory organ in sepia is __________

(a)radula

(b)pneumostome

(c)ctenedium

(d)body surface

(10)The circulatory system in sepia is _________

(a)opened

(b)closed

(c)all of the above

(d)none of the above

(11)The hear of sepia is divided into _________ and _________

(a)1 auricle/ 1 ventricle

(b)2 auricles/ 1 ventricle

(c)1 auricle/ 2 ventricles

(d)2 auricles/ 2 ventricles

(12)The respiratory pigment in sepia is _________

(a)keratin

(b)melanin

(c)chromatophores

(d)haemocyanin

(13)The kidney in sepia excretes ________

(a)nitrogen

(b)ammonia

(c)uric acid

(d)cyanine

(14)The invertebrate with the most higly developed brain is __________

(a)cockroach

(b)spider

(c)echinoderms

(d)sepia

(15)The _______ of the nervous system is responsible for muscular activities in sepia

(a)stellate ganglia

(b)visceral ganglia

(c)pedal ganglia

(d)cerebrovisceral ganglia

(16)Sepia's eyes can form image

(a)yes

(b)no

(c)I don't know

(d)they don't have eyes

(17)Fertilization in sepia is _________

(a)external and indirect

(b)internal and indirect

(c)external and direct

(d)internal and direct

(18)The spermatophore of sepia are stored in a terminal reservoir called _________

(a)laurer's canal

(b)nidamental sac

(c)mehlis canal

(d)Needham's sac

(19)The copulatory organ in the male sepia is _________

(a)chelicerae

(b)penis papilla

(c)gonopod

(d)heterocotylus

(20)The absence of an efficient respiratory pigment in cephalopods is due to ___________

(a)large Gill surface

(b)low metabolic rate

(c)limited ecological range

(d)all of the above

ANSWERS TO E- CLASSROOM ZLY 201 (SEPIA)

1C 2A 3D 4A 5C 6B 7B 8B 9C 10B 11Bx 12D 13A 14D 15A 16A 17D 18D 19D 20C

CRUSTACEAN (SHRIMP)(1)The 4th segment of the shrimp bears the _______

(a)maxillae

(b)mandibles

(c)antennae

(d)antennoles

(2)In shrimps, the _______ walking legs is large, chelate and serve as weapon of offence anddefence

(a)first

(b)second

(c)third

(d)fourth

(3)One of these is not a constituent of the eight thoracic segment in shrimps

(a)maxillepedes

(b)walking legs

(c)pleopods

(d)feeding appendages

(4)The eggs of the female shrimp is carried in the ________

(a)maxillepedes

(b)pleopods

(c)uropods

(d)coxopodite

(5)The body part of the shrimp is divided into ________ regions

(a)2

(b)3

(c)4

(d)5

(6)The first five abdominal appendages of the crustaceans used for brooding eggs is known as________

(a)pleopods

(b)telson

(c)uropods

(d)coxopodite

(7)The outer branched and filamentous leg of the crustaceans which allows for bloodcirculation is ______

(a)coxopodite

(b)pleopods

(c)epipodites

(d)pleopods

(8)All of these are method of arrangement of gills in crustaceans EXCEPT _________

(a)anthobranchs

(b)pleurobranchs

(c)arthrobranchs

(d)podobranchs

(9)An arrangement of gills that arise singly from the walls of thoracic segment dorsal to thearticulation of the appendages in crustacean is ________

(a)anthobranchs

(b)pleurobranchs

(c)arthrobranchs

(d)podobranchs

(10)An arrangement of gills that arises in pairs from arthrobial membranes at the base ofthoracic appendages in crustaceans is _________

(a)anthobranchs

(b)pleurobranchs

(c)arthrobranchs

(d)podobranchs

(11)The cardiac stomach in crustaceans functions as _______ while the pyloric stomachfunctions as ________

(a)grinding/filtering

(b)storing/secretion

(c)filtering/grinding

(d)secretion/storing

(12)The osmoregulatory functions in crustaceans is performed by ________

(a)one kidney

(b)two kidneys

(c)Green gland

(d)nephridium

(13)Nitrogenous waste is excreted mainly as ________ in crustaceans

(a)ammonia

(b)uric acid

(c)urea

(d)ammonium

(14)All of these are examples of the seven main arteries in crustaceans EXCEPT

(a)stellate artery

(b)antennary artery

(c)abdominal artery

(d)opthalmic artery

(15)Blood enters into the pericardial sinus through the _________ in heart of crustaceans

(a)afferent branchial sinus

(b)efferent branchial sinus

(c)sternal sinus

(d)opthalmic sinus

(16)The male shrimp gonopore opens on the ________ walking leg while the female gonoporeopens on the _______ walking leg

(a)3rd/5th

(b)6th/8th

(c)5th/3rd

(d)8th/6th

ANSWERS TO E- CLASSROOM ZLY 201 (CRUSTACEANS)

1B 2A 3C 4B 5B 6A 7C 8A 9B 10C 11A 12C 13A 14A 15B 16C

SPIDER AND MILLEPEDES1.In the order Araneae, the tagmata are joined together by a waist-like ________

(a)tracheae

(b)rectal gland

(c)pedicels

(d)spiracles

2.One of these is not a way of defence exhibited by millepedes

(a)possession of hard exoskeleton

(b)possession of antennae

(c)coiling of the animal

(d)discharging of poisonous liquid secretions

3.Spiders liquefies tissues with a ________ Enzyme for better absorption to its body

(a)repungnatorial

(b)abdominal

(c)proteolytic

(d)tactile

4.The male copulatory organ used in copulation in millepedes is the ___________

(a)pedipalp

(b)penis

(c)gonopod

(d)atrium

5.One of these is not a function of silk produced by web glands in spiders

(a)for wrapping sperms

(b)for making nest

(c)for making egg cocoon

(d)for making egg sac

6.All of these are mouth parts of diplopoda EXCEPT ________

(a)pedipalp

(b)maxillae

(c)labrum

(d)mandibles

7.Spiders breath using the _________

(a)tracheae

(b)book lungs

(c)all of the above

(c)none of the above

8.Trachea is a system of air tubes that carry air directly to tissues from openings called ________

(a)book lungs

(b)malpighian tubules

(c)chelicerae

(d)spiracles

9.Millipedes moves with their legs and body length in a __________ pattern

(a)worm-like

(b)wave-like

(c)snake-like

(d)sinusoidal

10.The excretory system used by spider is the _________

(a)protonephridia

(b)nephridium

(c)malpighian tubules

(d)kidney

11.All of these are mode of feeding exhibited in millepedes EXCEPT _________

(a)detritivorous

(b)carnivorous

(c)omnivorous

(d)cannibalism

12.The main excretory products of spider is _________

(a)ammonia

(b)urea

(c)uric acid

(d)potassium

13.The reproductive organs of the male and female millepedes is located ________ at the _______segment

(a)dorsally, 3rd

(b)ventrally, 3rd

(c)dorsally, 7th

(d)ventrally, 7th

14.________ reabsorbs potassium and water in the excretory system of spider

(a)malpighian tubules

(b)coxal gland

(c)rectal gland

(d)nephridium

15.Spiders have _______ simple eyes

(a)2

(b)4

(c)6

(d)8

16.The main copulatory organ in male spider is ________

(a)sperm

(b)penis

(c)pedipalp

(d)gonopod

17.Lycosa tarentula do not produce cocoon but carries egg sac because of _________

(a)they feed on insects and other spiders

(b)they are venomous

(c)they do not spin webs

(d)they don't have advanced reproductive system

(18)The organ used in spiders to spin web is _________

(a)spinnerets

(b)web gland

(c)chelicerae

(d)pedipalp

(19)Gnathochilium is formed from the fusion of ________ and ________ in diplopods

(a)maxillae and mandibles

(b)two maxillae

(c)two mandibles

(c)labrum and maxillae

(20The poisonous liquid secretions emitted by millepedes for defence is produced by ________

gland

(a)proteolytic

(b)poisonous

(c)gnathochilium

(d)repungnatorial

ANSWERS TO E- CLASSROOM ZLY 201 (SPIDER/MILLEPEDES)

1C 2B 3C 4C 5D 6A 7C 8D 9D 10C 11D 12C 13D 14C 15D 16C 17C 18A 19B 20D

COCKROACH(1)The mode of feeding exhibited by cockroach is _________

(a)carnivorous

(b)herbivorous

(c)omnivorous

(d)cannibalism

(2)The development of young one in the cockroach is __________

(a)viviparous

(b)oviparous

(c)ovoviviparous

(d)parivous

(3)The external body of cockroach is divided into _________

(a)prothorax and abdomen

(b)prostoma and opitostima

(c)head, thorax and abdomen

(d)head, trunk and abdomen

(4)The head of cockroach is said to be hypognathous because

(a)it is triangular in shape

(b)it is at angle 90° to body part

(c)it has precursorial head

(d)it is divided in 6

(5)All but one of these are mouthparts of the cockroach

(a)labrum

(b)labium

(c)mandibles

(d)proboscis

(6)The thorax consist of _________ segments while the abdomen consists of _________ segments

(a)3, 9

(b)10, 3

(c)3, 10

(d)9, 3

(7)The hardened exoskeleton of arthropods are formed from _________

(a)CaCO3 and protein

(b)phospholipid

(c)cellulose

(d)sclerite

(8)The elytra or tegmina arises from the _________

(a)prothorax

(b)mesothorax

(c)metathorax

(d)abdomen

(9)There are ________ visible external sterna in a female cockroach

(a)7

(b)8

(c)9

(d)10

(10)Maximum digestion of the cockroach occurs in _________

(a)mesenteron

(b)crop

(c)stomadeum

(d)proctodeum

(11)Grinding, crushing and filtering of food is performed by the __________

(a)crop

(b)gizzard

(c)mid gut

(d)hindgut

(12)A membrane that prevents abrasion of the gut by hard food particles is known as __________

(a)peritrophic

(b)proteolytic

(c)protodeum

(d)gynatrium

(13)Periplaneta have a ________ circulatory system

(a)open

(b)closed

(c)A and B

(d)none of the above

(14)All of these are associated with the circulatory system of periplaneta EXCEPT

(a)hemolymph

(b)coelom

(c)heart

(d)blood

(15)The heart of the periplaneta consist of _________ chambers and it's blood consist of_________

(a)13/leucocyte

(b)12/erythrocyte

(c)12/leucocyte

(d)13/erythrocyte

(16)The respiratory system of cockroach consists of all the following except

(a)stigmata

(b)spiracles

(c)tracheoles

(c)none of the above

(17)All of these are extracted in the distal part of the malphighian tubules of periplaneta except

(a)inorganic ion

(b)uric acid

(c)amino acid

(d)ammonia

(18)Particles are extracted from the distal part of the malphighian tubule of periplaneta by_________

(a)passive transport

(b)diffusion

(c)active transport

(d)osmosis

(19)_________ occurs at the proximal part of the malpighian tubule of the cockroach

(a)filtration

(b)reabsorption

(c)ultrafiltration

(d)extraction

(20)The egg case of the cockroach are secreted by _______

(a)ootheca

(b)collateral gland

(c)spermatheca

(d)vitrellae

(21)The ootheca of the female cockroach contains _______ eggs

(a)15

(b)16

(c)150

(d)160

(22)Development in American periplaneta is _________

(a)direct

(b)indirect

(c)A and B

(d)all of the above

(23)The ejaculatory duct in male and the vagina in female opens at the _______ and _______

(a)9th/7th sterite

(b)9th/7th terga

(c)7th/9th sterite

(d)7th/9th terga

(24)The ovaries of the female cockroach contain ________ tapering ovarioles

(a)8

(b)16

(c)32

(d)2

(25)The double, ventral nerve cord of the cockroach has ________ ganglia in the thorax and

_______ in the abdomen

(a)3 and 6

(b)4 and 8

(c)6 and 12

(d)3 and 4

ANSWERS TO E- CLASSROOM ZLY 201 QUESTIONS (COCKROACH)

1C 2B 3C 4B 5D 6C 7D 8B 9A 10B 11B 12A 13A 14B 15A 16C 17D 18C 19B 20B 21B 22B 23A24B 25A