- Which Larvae of the acanthocephalans developed in the intermediate hosts?
a. Acanthella
b. Acanthor
c. Cystacanth
d. None - Which one of the following stages is the first larval stage of the acanthocephalans and have rostellum?
a. Acanthella
b. Acanthor
c. Cystacanth
d. None - The adjustment of the vertebrate eye for making a clear image is called as
a. Fixation
b. Fovea focusing
c. Accommodation
d. Camera action - The acetabulum sucker is present at the __ of the fluke.
a. Anterior
b. Posterior
c. Ventral
d. Caudal - Which one is correct in the case of acrosome on the head of the sperm?
a. Rigid cap
b. Enzyme filled cap
c. Ciliary structured. Flagellar structure - Trichinella & Trichuris are present in the class of nematodes?
a. Adenophorea
b. Aphasmidia
c. Both
d. None - Agnatha is a _ group of vertebrates.
a. Monophyletic
b. Paraphyletic
c. Polyphyletic
d. Not related to above - Agnatha have all characteristics except one ____?
a. Lack jaws
b. Have paired appendages
c. Have a persistent notochord
d. Lampreys & Hagfishes - An animal whose hatchlings are not active at birth and require parental care is called _.
a. Altricial
b. Precocial
c. Altruistic
d. Assertive - This is a group of feathers on the bird’s wings, supported by medial digit`s bones is called _.
a. Fercula
b. Allula
c. Contours
d. Filoplume - An electroreceptive organ called ampullary organ is present in __.
a. Most fishes
b. Some amphibians
c. Platypus
d. Present in all above - Which one is not present in the aplacophoran molluscs.
a. Shell
b. Mantle
c. Foot
d. None - A jaw-like structure made from series of ossicles name as Aristotle lantern is the characteristics of;
a. Echinoid
b. Ophiuroids
c. Holothuroids
d. All - Which one group is not an aschelminth?
a. Acanthocephala
b. Kinorhyncha
c. Pterobranchia
d. Rotifera - Which one is the uniocular hydatid cyst of the fluke (Tapeworm)?
a. Muller Larvae
b. Trchophores
c. Glochidia
d. Bladder worm - Which one is not correct for Brachiopoda?
a. Bivalved shells
b. Calcareous of chitinous shells
c. Fresh water in its habitat
d. All true - Lampshells have valves at their __ surface.
a. Dorsal
b. Ventral
c. Both
d. None - Which one is a skin receptor for touch and pressure stimulus?
a. Bulbous corpuscles
b. Bulb of Krause
c. Meisner`s Corpuscles
d. Both a & b - Which one is incorrect in the case bursa of Fabricius?
a. A lymphoid organ
b. Present in birds
c. Like thymus
d. Involve in the maturation of T lymphocytes - Bursa of Fabricius develops as an outpouching of the __.
a. Foregut
b. Urinary bladder
c. Gizzards
d. None - Chloragogen tissue covers the gut and blood vessels of the
a. Nematodes
b. Rotifer
c. Acanthocephalans
d. Annelids - Chloragogen tissue synthesizes?
a. Glycogen
b. Fat
c. Urea
d. All - Which one is not correct in the case of Polychaeta respiratory pigment?
a. Iron-containing
b. Dissolved in blood plasma
c. Chlorocruorin
d. Hemocyanin - A region of the plasma membrane of paramecium having a purpose for exocytosis is called as?
a. Cytopyge
b. Cytoproct
c. Both
d. None - An introvert is present in
a. Sipunculid
b. Loriciferan
c. Bryozoan
d. All
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