Phylum Chordata Question Preview (ID: 50764)
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Phyla which contain only few organisms
a) Minor Phyla
b) Major Phyla
c) Common Phyla
d) Evolutionary linkage
Notochord is restricted at the caudal end.
a) Cephalochordata
b) Urochordata
c) Vertebrata
d) Chaetognatha
The tunic is transparent and thin with circular bands of muscles within the walls of the test
a) Sagitta
b) Herdmania
c) Doliolum
d) Oikopleura
The persistent notochord extends from the tip of the tail to the region beyond the brain.
a) Cephalochordata
b) Urochordata
c) Hemichordata
d) Vertebrata
• These animals have a true vertebral column and internal skeleton, allowing a completely different distribution of muscle attachment points to be used for movement.
a) Arthropoda
b) Cephalochordata
c) Echinodermata
d) Vertebrata
Which of these cannot regulate their body temperature
a) Bats
b) Eagles
c) Humans
d) Parrots
Which of these belong to Cyclostomata
a) Seer fish
b) Petromyzon
c) Shark
d) Sting ray
Which of these is Chondrichthyes
a) Pristis
b) Angler fish
c) Dolphin
d) Whale
A tympanum represents
a) Lungs
b) Mouth
c) Ear
d) Stomach
• They are mostly terrestrial animals and their body is covered by dry and cornified skin, epidermal scales or scutes.
a) Reptiles
b) Aves
c) Amphibians
d) Mammals
The hind limbs have scales and are modified for walking, swimming or clasping the tree branches.
a) Class Aves
b) Class Reptiles
c) Class Mammals
d) Class Osteichthyes
They are homoiothermous animals, i.e., they are able to maintain a constant body temperature.
a) Salmon
b) Emu
c) Sagitta
d) Bull frog
Elongated limbless amphibians leading a borrowing life in moist soil.
a) Frog
b) Toad
c) Salamander
d) Ichthyophis
Vocal sacs are absent in
a) Alytes
b) Darwin Frog
c) Bull Frog
d) Rhacophorus
Carapace and plastron form the body covering in which of these animals
a) Salamander
b) Gaur
c) Geochelone
d) Gyps
Includes modern flying birds with well developed flight muscles.
a) Neognathae
b) Paleognathae
c) Archaeornithes
d) Anapsida
_____________ filter-feed on brine shrimp and blue-green algae
a) Flamingos
b) Penguin
c) Emu
d) Kite
Which of these show presence of brood pouch?
a) Macaca
b) Dolphin
c) Platypus
d) Dasyurus
Which of these infra class has placental mammals
a) Metatheria
b) Eutheria
c) Prototheria
d) Theria
Largest living primate and powerful ape
a) Gorilla
b) Gyps
c) Gaur
d) Gibbon
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