51. Oysters, clams and mussels all belong to
(a) Gastropoda
(b) Bivalvia
(c) Cephalopoda
(d) Polyplacophora
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52. Zooflagellates found in termites are the gut of termites are
(a) parasites
(b) symbionts
(c) commensals
(d) predators
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53. Which of the following is not correctly matched?
(a) Unsegmented pseudocoelomate animal-Nematoda
(b) Unsegmented acoelomate animal – Platyhelminthes
(c) Metameric coelomate animal – Annelida
(d) Metameric haemocoelomate animal- Mollusca
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54. Fertilization in Sycon occurs
(a) externally in water
(b) internally in the spongocoel
(c) on the body surface
(d) internally in the mesenchyme
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55. Which one of the following is hyperparasite?
(a) Xenopsylla
(b) Sacculina
(c) Yersinia peatie
(4) Pediculum
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56. Match List-I with List-II and select the correct answer using the codes given below the list :
List-I List-II
A. Dengue fever 1. Phlebotomus
B. Elephantiasis 2. Aedes aegypti
c. Kala azar 3. Glossina
D. Sleeping sickness 4. Culex fatigans
Codes :
. A B C D
(a) 2 4 3 1
(b) 2 4 1 3
(c) 1 2 3 4
(d) 1 4 3 2
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57. Which of the following human parasite protozoans is found in the human mouth and damages gums?
(a) Entamoeba gingivalis
(b) Entamoeba coli Tal
(c) Entamoeba histolytica
(d) Giardia intestinalis
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58. Fission, a method of reproduction, is commonly found in
(a) protozoans
(b) helminths
(c) annelids
(d) All of the above
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59. The micronucleus of Paramecium is
(a) diploid
(b) polyploi
(c) non-reproductive
(d) the main source of RNA
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60. Which of the following parasites has no intermediate host?
(a) Tapeworm
(b) Ascaris
(c) Liver fluke
(d) Malarial parasite
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61. Stone canal in Asterias connects the
(a) ring canal and polian vesicle
(b) ring canal and radial canal
(c) madreporite and ring canal
(d) madreporite and polian vesicle
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62. Which of the following insects is without mandibles?
(a) Musca
(b) Anopheles
(c) Blatta
(d) Apis
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63. Molluscs may regenerate
(a) eyes
(b) foot
(c) parts of head
(d) All of the above
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64. Which of the following is not correctly matched?
(a) Housefly-Anthrax
(b) Mosquito-Encephalitis
(c) Rat flea-Bubonic plague
(d) Bedbug-Gonorrhea
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65. The principal cell types present in the body wall of Leucosolenia are
(a) pinacocytes, porocytes, choanocytes, amoebocytes
(b) pinacocytes, choanocytes, amoebocytes, nephrocytes
(c) choanocytes, nerve cells, amoebocytes, nephrocytes
(d) choanocytes, porocytes, nephrocytes, amoebocytes
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66. The hollow blastula of Sycon is
(a) stereoblastula
(b) coeloblastula
(c) stomoblastula
(d) amphiblastula
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69. Which artery supplies blood to the diaphragm?
(a) Phrenic
(b) Splenic
(c) Caudal
(d) Renal
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70. Lysozyme is found in
(a) tear
(b) sweat
(c) saliva
(d) All of the above
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