- Acorn worm belongs to which of the following group?
a. Pterobranchia
b. Enteropneusta
c. Ectoprocta
d. Brachiopoda - Octacnemus is a member of the class _____.
a. Ascidiacea
b. Appendicularia
c. Sorberacea
d. Thaliacea - Which one of the following is incorrect in the case of chordate tails?
a. Postanal
b. Supported by vertebrae
c. Supported by notochord
d. All are correct - Which one of the following is the largest class of the Urochordata?
a. Ascidiacea
b. Appendicularia
c. Sorberacea
d. Thaliacea - Hagfishes belong to _.
a. Gnathostomes
b. Ostracoderms
c. Myxini
d. Cephalaspidomorphi - Rat fish belongs to ___?
a. Elasmobranchii
b. Holocephali
c. Sarcopterygii
d. Actinopterygii - Fish gills receive blood from
a. Bulbous arteriosus
b. Conus arteriosus
c. Dorsal aorta
d. Ventral aorta - Mixing of oxygenated and deoxygenated blood occurs in the ventricle of __.
a. Bony Fish
b. Cartilaginous fish
c. Crocodilian
d. None of the above - Which one structure is not formed from pneumatic sacs?
a. Lungs
b. Swim bladder
c. Both
d. None - Which one of the following is an endotherm?
a. Crocodilian
b. Anurans
c. Rhynchocephalian
d. None - Which one fin is unpaired?
a. Anal
b. Pelvic
c. Pectoral
d. All are paired - Which one is not lungfish?
a. Squalus
b. Lepidosiren
c. Neoceratodus
d. Protopterus - Maintain water flow by continuous swimming is a process called as _______.
a. Active inspiration
b. Positive inspiration
c. Negative inhalation
d. Ram ventilation - Clasper is modified _.
a. Pectoral fin
b. Pelvic fin
c. Anal fin
d. Caudal fin - Which one is the generic name of the tree frog?
a. Hyla
b. Bufo
c. Ichthophis
d. Cyclorana - Which one of the following does not belong to order Crocodilia?
a. Caimans
b. Gavials
c. Alligators
d. All belong to Crocodilia - Which one is not lizard (suborder Sauria)
a. Geckos
b. Draco
c. Worm lizard
d. All are saurian - Which one is incorrect in the case of Aves?
a. Loss of one ovary
b. Loss of urinary bladder
c. Loss of one kidney
d. All are correct - The order of loons is __.
a. Gaviiformes
b. Galliformes
c. Piciformes
d. Piciformes - Woodpeckers belong to _.
a. Strigiformes
b. Columbiformes
c. Anseriformes
d. Piciformes - Which one is a pin feather?
a. Down feather
b. Contour feather
c. Filoplume
d. None any feather - Which part of the female reproductive system is called __?
a. Ovary
b. Uterus
c. Oviduct
d. Ostium - All members are extinct now?
a. Ornithodelphia
b. Metanephridia
c. Eutherian
d. None - Which one is not developed from the epidermis?
a. Sebaceous glands
b. Sudoriferous glands
c. Apocrine cells
d. All develop from the epidermis - The order of pika is?
a. Edentata
b. Sirenia
c. Chiroptera
d. Lagomorpha
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