- Which protozoan produces toxins?
a. Gymnodinium
b. Euglena
c. Volvox
d. None of the above - The intermediate host of Trypanosoma?
a. Anopheles sp.
b. Glossina sp.
c. Culex sp.
d. None - Trophozoite of the plasmodium is differentiated by ______________structure.
a. Apex
b. Granular cytoplasm
c. Ring-like structure
d. Resting/Non-dividing behavior - Which species cause tertian malaria?
a. P. vivax
b. P. ovale
c. P. malariae
d. P. falciparum - The fibrous part of the sponge’s skeleton is made up of spongin which is chemically composed of _.
a. Collagen
b. Only calcium
c. Calcium carbonate
d. Silica - Euplectella belongs to class __.
a. Calcarean
b. Hexactinellida
c. Demospongiae
d. Not a sponge - Chironex belongs to ___________________cnidarian group.
a. Hydrozoa
b. Scyphozoa
c. Cubozoa
d. Anthozoa - How many gastric pouches are present in the aurelia?
a. 1
b. 2
c. 4
d. 8 - Which one is incorrect in the case of siphonglyph?
a. Ciliated tract
b. At the end of the mouth
c. Leads to 4 Gastric pouches
d. Present in the Anthozoa - Which one is not a character of Pterobranchia?
a. All members have tentacles
b. Colloblasts
c. Comb rows
d. All are the characters of Pterobranchs - Rhabdites specifically involve in the ______________.
a. Secretion of protective mucous sheath
b. Release of attachment chemical to substrate
c. Release chemicals to detaches from substrate
d. All - Which one does not belong to cestoidean parasitic Platyhelminthes?
a. Echinococcus
b. Notoplana
c. Diphyllobothrium
d. Protocephalus - Turbellarian sexual reproductive system arises from ______.
a. Mesoderm
b. Endoderm
c. Ectoderm
d. Lack of any sexual reproduction - In Fasciola hepatica which stage occurs in the snail stage?
a. Miracidia
b. Sporocyst
c. Cercaria
d. Metacercaria - Which one phylum contains proboscis worms?
a. Gastrotricha
b. Acetospore
c. Microspora
d. Nemertea - Musculature specifically linked to nematodes?
a. Annuli
b. Longitudinal
c. Circular
d. Dorsolateral/ventrolateral - The function of pedal glands in Rotifera is __.
a. Produce sticky secretion
b. Produce gametes
c. Form cocoon around eggs
d. Release larval stages - Elephantiasis is caused by?
a. Enterobius
b. Wuchereria
c. Trichinella
d. Necator - The largest class of Mollusca forming about 80 % of the total mollusks?
a. Bivalvia
b. Cephalopoda
c. Gastropoda
d. Scaphopoda - Dentalium belong to class?
a. Bivalvia
b. Cephalopoda
c. Gastropoda
d. Scaphopoda - The chemical nature of the operculum is _, that covers the shell of a snail after body drawn into the shell.
a. Silica
b. Protein
c. Calcium carbonate
d. Muscular - Horseshoe crab belongs to ________.
a. Xiphosura
b. Eurypterida
c. Pycnogonida
d. Cirripedia - How many maxillipeds are present in crayfish?
a. 1
b. 2
c. 3
d. 5 - Chaetopterus belongs to
a. Polychaeta
b. Oligochaeta
c. Hirudinea
d. Gastroticha - Which canal of the water vascular system of Echinodermata leads water from madreporite to ring canal?
a. Radial canal
b. Stone canal
c. Lateral canal
d. That is not involved in the water vascular syste
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