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551.

Assertion Hydatid vesicle is the characteristic of Echinococcus for absroption Hydatid cyst can remain for several years within the human body.A. Both Assertion and Reason are true and Reason is the correct explanation of AssertionB. Both Assertion and Reason are true but Reason is not the correct explanation of AssertionC. Assertion is true, but Reason is FalseD. Assertion is false, but Reason is true.

Answer» Correct Answer - B
The cysticercus larva of Echinococcus is the most harmful stage in liver or lung and in a few cases in brain, heart, bone, etc. The larva develops into a watery bladder or hydatid vesicle or hydatid cyst having a two-layered cyst wall. It can remain for several years with the human body.
552.

Which one is used in treatment of ascariasisA. Chenopodium oilB. PaludrinC. TerramycinD. None of these

Answer» Correct Answer - A
553.

Cellular organisation of body is present inA. AnnelidaB. PlatyhelminthesC. PoriferaD. The presence of a segmented body and parthenogenetic mode of reproduction

Answer» Correct Answer - C
Porifera
554.

Which of the following phylum are included in enterozoaA. Annelida,Mollusca , PoriferaB. Porifera , Arthopoda , MolluscaC. Mollusca , Arthopoda , HemichordataD. Echinodermata , Hemichordata , Porifera

Answer» Correct Answer - C
555.

The last moults of Ascaris from lungs to brain ?A. heartB. kidneyC. liverD. intestine

Answer» Correct Answer - D
556.

Treatment of human ascariasis is fairly successful throughA. oral administration of drugsB. vaccineC. injecting the medicine into musclesD. None of above

Answer» Correct Answer - A
557.

Which level of organisation is found in majority of animals ?A. Cellular gradeB. cell-tissue gradeC. Tissue-organ gradeD. organ-system grade

Answer» Correct Answer - D
558.

In which of the following symmetry , the response to external stimulus is quicker and more precise ?A. Radial symmetryB. BilateralC. SphericalD. Biradial

Answer» Correct Answer - B
559.

Number of juvenile stages found during development of AscarisA. oneB. twoC. threeD. four

Answer» Correct Answer - D
560.

During development , Ascaris needsA. one intermediate hostB. two definitive hostsC. no intermediate hostD. no difinitive host

Answer» Correct Answer - C
561.

Rhabditis form larva of Ascaris isA. first stage juvenileB. second stage juvenileC. formed inside capsuleD. Both (a) and (c)

Answer» Correct Answer - D
562.

The animals in which sexes can be differentiated from external morphology isA. Sea anemoneB. AscarisC. SyconD. Boroe

Answer» Correct Answer - B
563.

Glass sponges belong to the classA. DemosphongiaB. TetractinellidaC. HexactinellidaD. Calcarea

Answer» Correct Answer - C
564.

In the development of Ascaris, the second stage juvenile is formedA. within the eggs itselfB. in the intestine of manC. in the lung of manD. in the liver of man

Answer» Correct Answer - A
565.

Chordate animal belong to phylumA. PoriferaB. HemichordataC. Annelida and PlatyheminthesD. Cephalochordates , vertebrates and eurochordates

Answer» Correct Answer - D
566.

Eggs of Ascaris that pass out of host body areA. unfertilisedB. fertilisedC. unfertilised and unsegmentedD. fertlised and segmented

Answer» Correct Answer - B
567.

Porocytes are special cells for the passage ofA. excretory products within body of the flatwormsB. sweat upon surface of mammalian epidermisC. incoming water-current in the body of spongesD. outgoing water-current on the top of sponges.

Answer» Correct Answer - C
568.

Notochord is aA. endodermally derived rod-like structure , formed on the ventral sideB. ectodermally derived rod-like structure , formed on the dorsal sideC. mesodermally derived rod-like structure formed on the dorsal side during embryonic developmentD. mesodermally derived rod-like structure formed on the ventral side during embryonic development

Answer» Correct Answer - C
569.

In sponges prosopyle isA. contractile element at the osculumB. small canal which connects incurrent canal with radial canalC. cel which forms lining of spongocoelD. cell at the opening of incurrent canal

Answer» Correct Answer - B
570.

Poikilothermy is a phenomenon observed inA. vertebrates like human beings and reptilesB. invertibrates like earthworms and roundwormsC. invertibrates , fish, amphibians and reptilesD. frogs and lizards

Answer» Correct Answer - C
571.

Identify the given figures. Which animals are their intermediate host ? A. A-Taenia solium -sheep , B-Taenia saginata -CattleB. A-Taenia saginata-Pig , B-Taenia solium-BuffaloC. A-Taenia solium -cattle , B-Taenia saginata -DogD. A-Taenia solium -Pig , B -Taenia saginata -Sheep

Answer» Correct Answer - D
572.

Choose the incorrect pair.A. Echinococcus-Hydatid wormB. Trichuris -WhipwormC. Sycon-crown spongeD. Pleurobranchia-swimming eye of cat

Answer» Correct Answer - D
573.

Heteronomous segmentation , i.e. the division of labour resulting in dissimilarity of the metameres of the different regions of the body, is found in the phylaA. Cnidaria and CtenophoraB. Ciliophora and SporozoaC. Protista and PoriferaD. Annelida and Arthopoda

Answer» Correct Answer - D
574.

Number of lips of Ascaris areA. fourB. threeC. two proglottids of same individualD. one

Answer» Correct Answer - B
575.

Metameric segmentation is the characteristic ofA. Mollusca and ChordataB. Annelida and ArthropodaC. Echinodermata and AnnelidaD. Platyhelminthes and Arthropoda

Answer» Correct Answer - B
576.

Secondary host is not present in the life history ofA. FasciolaB. TaeniaC. AncylostomaD. Wuchereria

Answer» Correct Answer - C
577.

Characteristic symptoms of ancylostomiasis is/areA. gastrointinal disturbanceB. anaemiaC. nervous disordersD. All of the above

Answer» Correct Answer - D
578.

Which one of the following is not a nematode parasite ?A. TrichinellaB. AscarisC. DracunculusD. Schistosoma

Answer» Correct Answer - D
579.

Identify the correct example(s) of Nematoda. I. Loa loa II. Trichinella III. Nectonema IV. ChaetonotusA. Only IVB. I and IIC. III and IVD. All of these

Answer» Correct Answer - B
580.

In Dracunculus medinensisA. female is short while male is longB. secondary host is an arthopodC. posterior end of female is straight and pointedD. infection is transmitted through eggs

Answer» Correct Answer - B
581.

Which is a parasite of man ?A. HookwormB. PinwormC. WhipwormD. All of these

Answer» Correct Answer - D
582.

The route through which developmental stage of Ascaris pass in manA. Outside `to` Trachea `to` Lung `to` Heart `to` Liver `to` Intestine `to` OutsideB. Outside `to` Intestine `to` Liver `to` Heart `to` Lung `to` Intestine `to` OutsideC. `Outside `to` Oesophayus `to` Stomach `to` Heart `to` Lung `to` Liver `to` Intestine `to` OutsideD. Outside `to` Mouth `to` Intestine `to` Liver `to` Lung `to` Heart `to` Trachea `to` Outside

Answer» Correct Answer - B
583.

Loa loa isA. parasiticB. digeneticC. causative organism of loiasisD. All of the above

Answer» Correct Answer - D
584.

Dracunculus medinensis at transmitted to man byA. mosquitoB. flyC. crustaceanD. infected Cyclops

Answer» Correct Answer - D
585.

Pinworm isA. AncyclostomaB. Wuchereria bancroftiC. Dracunculus medinensisD. Enterobius vermicularis

Answer» Correct Answer - D
586.

Which of the following inhabit freshwater bodiesA. ScyphozoansB. AnthozoansC. HydrozoansD. Ctenophores

Answer» Correct Answer - C
587.

What structure in Hydra functionally corresponds to the pseudopodia of Amoeba ?A. TentaclesB. MouthC. HypostomeD. Nematocysts

Answer» Correct Answer - A
588.

The largest nematoblast in Hydra isA. StenoteleB. desmonemeC. small glutinantD. large glutinant

Answer» Correct Answer - A
589.

The correct statement for Ascaris is that, it hasA. diploblastic bodyB. segmented bodyC. radial symmetryD. triradiate lips

Answer» Correct Answer - D
590.

Ascaris haveA. phasmidsB. amphidsC. respiratory systemD. Both (a) and (b)

Answer» Correct Answer - D
591.

The cells which form excretory system in Ascaris are calledA. Flame cellsB. Renette cellsC. cnidoblast cellsD. nephridial cells

Answer» Correct Answer - B
592.

The roundworm can be called specialised and non-degenerative with reference to parasitism becauseA. it has no respiratory organsB. it is dioecoiusC. it has a straihgt , uncoiled alimentary canalD. the cuticle over it body wall is resistant to digestive juices of the host

Answer» Correct Answer - D
593.

Sponges form a sideline of evolution hence calledA. MesozoaB. PoriferaC. ParazoaD. Eumetazoa

Answer» Correct Answer - C
594.

Sponges are porifers because their bodies haveA. canal systemB. several poresC. spicules in skeletonD. All of these

Answer» Correct Answer - D
595.

The cells which line the spongocoel and the canals are calledA. choanocytesB. collar cellsC. Both (a) and (b)D. None of these

Answer» Correct Answer - C
596.

Among the options given below find out the one which is an incorrect match.A. Chromocytes-Excretory substanceB. Thesocytes-Food reservesC. Mycocytes-Adhesive substanceD. Archaeocytes-Regeneration

Answer» Correct Answer - C
597.

Which of the following feature is universally present in all spongesA. Marine habitatB. Presence of spiculesC. Presence of spongocoelD. Presence of spongin fibres

Answer» Correct Answer - C
598.

Which among the following is not a characteristic feature of sponges ?A. They are bilaterally symmetricalB. They are the first multicellular diploblastic organismsC. The body wall of sponges consists of pinacoderm and choanodermD. They show the presence of trophocytes which provide food to the developing cells

Answer» Correct Answer - A
599.

Non-chorates have a central nervous sysyem, which is ventral, solid and double, while in chordates, it isA. ventral, hloow and doubleB. ventral, hollow and singleC. dorsal, hollow and singleD. dorsal, solid and single

Answer» Correct Answer - C
600.

Which one of the following characters is not typical of the class-Mammalia?A. Seven ccrvical vertebraeB. Thccodont dentitonC. Ten pairs of cranial nervesD. Alveolar lungs

Answer» Correct Answer - C