Chordate Zoology -MCQ-03
General account and comparative anatomyMULTIPLE CHOICE QUESTIONS
Chapter 7. Vertebrate,-2 (Gnathostomes -I Pieces)
1. The fins in Cladoselachi are..
a. narrow at base
b. broad at base
c. broad at terminal end
2. In Osteochthyes, the skeleton is..
a. cartilagenous
b. ossified
c. none of these
3. Polypterus belongs to
a. Pleurocanthodii
b. Clasdoselachi
c. Cladistia
4. The tail in Teleostei is
a. asymmetrical
b. symmetrical
c. semi-symmetrical
5. The skull is Rhipidista is
a. fusiform
b. oblong
c. narrow
6. Dipneusti includes...
a. Protopterus
b. Neoceratodus
c. Lepidosiren
d. all of these
7. Sphyrna belongs to.
a. Pleurotremata
b. Hypotremata
C. none of these
8. Caudal fin in Coelacanth is
a. heterocercal
b. homocercal
c. diphycercal
9. In Scoliodon, fins are of...
a. one type
b. two types
c. four types
10. In Placoid scales, the spines are .
a. directed backward
b. directed forward
C. directed laterally
x x
11. Stings in cartilaginous fishes are modified
a. cycloid scales
b. placoid scales
C. ctenoid scales
12.Vertebrae in Scoliodon are ...
a. amphicoelus
b. procoleus
C. none of these
13. Greenwood et al. have placed fishes into
a. 2 classes
b. 3 classes
c. 4 classes
d. 5 classes
14. Which of the following is not a characteristic of Acanthodii
a. The head and body is protected by dermal armour
b. The skeleton consist of bones
c. Their paired fins were not supplemented by accessory pads
d. Most of them were only few inches in length
15. Elasmobranchiomorphii include
a. Placoderms and cartilaginous
b. Placoderms and bony fishes fishes
c. Ostracoderms and Placoderms
d. Osterichthyes and Chondrichthyes
16. The Arthrodires did not have a...
a. heavy bony dermal shield
b. teeth
c. small pectoral spines
d. bony scales on the body
17. Antiarchs were (which is wrong)
a.small Placoderms
b. with typical pectoral fins
c. dorsal eyes
d. rounded ventral surface
18. Chondrichthyes have as many as
a. 200 species
b. 300 species
c. 700 species
d. 1000 species
19. In Selachi the following character is not present .
a. Exoskeleton of placoid scales
b. Jaw suspension of hyo- or amphi-stylic type
c. Cloaca is absent
d. Well developed lateral line system
20. In Hypotremata, the fishes are not having
a. Dorsoventrally flattened body
b. Five pairs of ventrally placed gill slits
c. Ventrally placed eyes
d. Presence of blunt teeth
21. Which of the following characters is absent in Pleurotremates
a. The gill slits are lateral
b. Pectoral fins are of moderate size
c. Tail is not well developed
d. Presence of triangular cutting teeth
x x
Chapter 8. Vertebrate,-3 (Gnathostomes -II Amphibians)
1. Fossils have proved that the earliest amphibians were inhabitants of:
a. Marine water
b. fresh water pools
c. terrestrial land
2. The earlier amphibians lived in
a. Permian times
b. Carboniferous times
c. Triassic times
3. On land beside seeing,..................... was equally important
a. sense of smell
b. sense of taste
C. sense of hearing
4. The jaw suspension in amphibians became
a. autostylic
b. methystylic
c. hyostylic
5. The skin of amphibians...
a. is provided with well developed exoskeleton
b. is devoid of exoskeleton
c. None of these
6. First gill slit persists in amphibians as
a. as a spiracle
b. as gill slit as such d. none of these
C. as eustachian tube
d. None of these
7. Recent view about the ancestry of tetrapoda holds that
a. the amphibians are modified crossopterygians
b. the amphibians are not modified crossopterygians
d. none of these
8. Amphiuma belongs to the order
a. Perennibranchiata
b. Caducibranchiata
c. Aglossa
d. Phaneroglossa
9. Probably caecilians and caudates have arisen from
a. aquatic Lepospondyli
b. terrestrial Lepospondyli
c. Gymnopheona
d. Phyllospondyli
10. Aglossa do have (which is correct)
a. tail
b. Tongue
c. eustachean tube
d. visible tympanic discs
x x
11. The mud puppy is....
a. Proteus
b. Nectureus
c. Siren
d. Ichthyophis
12. The blind Salamander is
a. Siren
b. Nectures
c.Proteus
d. Salamandra
13. The Surinam toad of South America is ..
a. Pipa
b. Salamandra
c. Ambystoma
d. Ictithyophis
14. The length of Salamandra is about
a. 12-15 cm
b. 15-20 cm
c. 20-25 cm
d. 30-50 cm
15. The axolotl larva does not have ...
a. three pairs of external gills
b. flattened tail
c. tail fin
d. neck
16. The trunk of Ambytoma has
a. lateral fins
b. intercostal grooves
c. well elongated spines
d. well developed scales
17. Xenopus is a
a. Cardate
b. Aglossan
c. Phaneroglossan
d. Apodan
18. The largest frog is...
a. Rana tigerina
b. R. verrucosa
c. R. pipiens
d. R. goliath
19. Bufo melanostictis is found in the plains and in Himalayas upto
a. 1000 meters
b. 2000 meters
C. 3000 meters
d. 4000 meters
20. Green tree frog is...
a. Hyla arborea
b. Bombinator
C. Rana
d. Xenopus
x x
21. The female of......... dig up mud from the bottom of the shallow pond, make small enclosures called nurseries
a Hyla fibre
b. Leptodactylus
C. Rhacophorus
d. Nectophorynoides
22. The eggs are transferred by the male to his vocal sacs by
a. Pipa americana
b. Rhinoderma darwini
c. Alytes obstetricans
d. Gastrotheca
23. Marsupial frog is...
a. Pipa
b. Hyla fiber
c. Gastrotheca
d. Alytes
24. Eggs remain attached to the neck of ...
a. Desmognathus
b. Amphiuma
c. Salamandra
d. Pipa
25. Viviparity is known amongst anurans by a single instance that of
a. Pipa
b. Nectophorynoides
c. Rhacophorus
d. Leptodactylus
x x
Chapter 9. Vertebrate,-4 (Gnathostomes -III Reptilia)
1. Seymouria had shape like..
a. turtle,
b. snake,
c. lizard
2.The ringed appearance of tail in rattle snake is given by
a. simple scales,
b. placoid scales,
c. keeled scales.
3. Youngina belongs to the order
a Squamata,
b. Rhynchocephalia,
c. Eosuchia.
4. Gecko is known as ....
a. Calotes,
b. Ptycozoon
c. Scincus.
5. Trionyx does not have..
a. a pointed beak,
b. webbed feet,
a disc of olive green reticulum.
d. small neck
6. When the prey is within the striking distance in poisonous snakes .
a. the muscles contract,
b. the muscles relax.
none of these
7. The toxins of snake venom are ....
a. neurotoxins,
b. hacmotoxins
c. both of these,
d. none of these
8. Special sensory pits of vipers are called
a. loreal pits
b. facial pits,
c. loreal or facial pits.
d. loreal or facial pits,
9. Vipera russelli is....
a. krait,
b. pitless viper,
c. Russel's viper.
10. In crocodiles the
a. teeth are unequal,
b. teeth are very unequal in size,
c. almost equal.
x x
11. Crocodiles reach adulthood in eight years and have a life history of nearly
a. 20 yrs.
b. 50 yrs.
C. 100 yrs.
d. 200 yrs.
12. The length of Tyrannosaurus was about
a. 10 meters
b. 20 meters
c. 15 meters
d. 25 meters
13. The habit of Iguanodon did not include the character
a. terrestrial
b. carnivorous
c. herbivorous
d. bipedal
14. Ichthyosaurus was not characterized by
a. fish like body
b. elongated snout
c. nostrils set far back near the eyes
d. pentadactyly
15. A huge sail was present on the back of dinosaur
a. Diplodocus
b. Dimetrodon
c. Iguanodon
d. Plesiosaurus
16. Gavialis is not found in rivers in
a. Allahabad
b. Hoogly
c. Bahraids
d. Ahmedabad
17. Gharials feed exclusively on
a. Grass
b. Fish
c. Goat
d. Man
18. The crocodile more adapted for motion on land is
a. Muggar
b. Gharial
c. Gavialis
d. none of these
19. If the 3rd upper labial scale is touching the eye and the nostril bearing scale, the snake is
a. Viper
b. Rattle
c. Cobra
d. non-poisonous
20. Boas are:
a. larger than pythons
b. smaller than pythons
c. non-poisonous
d. poisonous
x x
21. The 'ajgar' of India is
a. Python mollurus
b. Python reticularis
c.Gavialis
d. Vipera vipera
22. Saw-scaled viper is
a. Echis
b. Naja
c. Bungarus
d. Zamenis
23. The blind snake of North India is..
a. Echis
b. Bungarus
c. Typhlops
d. Vipera russeli
24. Cobras do not have
a. the third shield of the upper lip or 3rd labial large
b. a tiny wedge shield between 4th & 5th lower labial double
C. tail shield on the under surface of the tail
d. neck without shields
25. Common Indian Cobra is...
a. Echis
b. Vipera
c. Naja
d. Bungarus
x x
Chapter 10. Vertebrate,-5 (Gnathostomes -IV Aves)
1. In birds, the exoskeleton of feathers is believed to be modified
a. mammalian hair.
b. reptilian scales
c. placoid scales
d. nails
2 . Birds probably arose from the....
a. Archosaurian diapsid reptiles
b. Ornithischians
c. Synapsids
b. none of the above
3. Archosaurian diapsid reptiles such as Euparkeria were quite abundant in
a. Jurassic age
b. Triassic age
c. Permian age
d. Cretaceaus age
4.In Euparkeria, the number of digits was reduced to
a. 1
b. 2
c. 3
d. 4
5. Archeornis dates back to
a. upper Jurassic
b. lower Jurassic
C. upper Triassic
d. lower Triassic
6. A theory that the birds had a common origin with the Ornithischian dinosaurs was given by
a. Mendel
b. Aristotle.
c. Galton
d. Dalton
7. The hypothesis that the immediate ancestor of the birds was a Saurischian dinosaur was given by
a. Oparin
b. Ostrom
c. Walker
d. Galton
8. Walker's conclusions on the origin of birds from the crocodilian stock were made in the year
a. 1872
b. 1947
c. 1952
d. 1972
9. In 1973, Oström believed that the birds arose directly from Saurischian dinosaur
a. Archaeopteryx
b. Archaeornis
c. Coelurosaurs
d. none of the above
10. The fossil bird Protoavis is believed to be at least million years older than Archaeopteryx.
a. 25
b. 50
c. 75
d. 225
x x
11. In birds, the fore limbs are modified into wings, which are composed besides skeletal structures, of feathers that are called flight feathers or
a. Pennae
b. Remiges
c. Rhamphotheca
d. Preen gland
12. The tail in birds after the removal of feathers appears to be very small and it is called
a. uropygium
b. urodacum
c. proctodaeum
d. coprodacum.
13. Preen gland is also called
a. coprodacal gland
b. proctodacal gland
c. uropygial gland
d. cloacal gland
14. The fore arm in Columba carries
a. 8 remiges
b. 6 remiges
c.12 remiges
d. 24 remiges
15. The parts of the hand in birds are bound together with skin and there are only 3 digits. Amongst these
a. Ist and IIIrd are very small, the IInd is the longest.
b. Ist & IInd are very small, the IIIrd is the longest.
c. Ist & IInd are very long, the IIIrd is the smallest.
d. Ist & IIIrd are very long and IInd is the smallest.
16. A fold of skin is stretched between the upper arm and fore arm. It is called
a. prepatagium
b. postpatagium
c. uropygium
d. none of the above
17. During flight, the parts of the wing are kept stretched by
a. tensor petagii
b . tensor longus
c. tensor brevis
d. tensor accessories
18. A single tensor membrane posteriors alae muscle lies in the
a. pre-patagium
b. post patagium
c. uropygium
d. coprodacum
19.The weight of the bird acting downwards can be resolved into two forces working at
a. parallel to each other
b.antiparallel to each other
c. right angle to each other
d. none of the above
20. In birds the sinking force is opposed by
a. a lift force
b. a drag force .
c. both lift and drag forces
d.none of these
x x
21. The resultant of lift and drag forces in birds is the total aerodynamic force. It is
a. equal to the weight
b. opposite to the weight
c. parallel to the weight
d. both equal and opposite to the weight
22. In active flight, total aerodynamic force results by ..
a . only extending the wing
b. only closing the wing
c. flapping the wing
23. The birds leave the perch by raising the shank and loosening the toes which is achieved by the tendon of
a. caudlio flexorius
b. Sartorius
C. Ambiens
d.Extensor digitorum
24. Peroneus longus is a
a. superficial tensor
b. superficial flexor
c. deep tensor
d. deep flexor
25. Class Aves is divided into............. sub classes.
a. 2
b. 3
C.4
d. 5
26. Which of the following does not fit in the modern birds
a. Neornithes
b. Odontognathae
c. Palacognathae
d. Neognathae
27. Spoon bill Platalea leucorodia belongs to the order
a. Columbiformes
b. Pelicaniformes
c. Ciconiformes
d. Anseriformes
28. Psittaciformes contains
a. cokoos
b. laughing gulls
c. ringed parrots
d. horned owls:
29. House swift belongs to
a. Strigiformes
b. Micropodiformes
c. Coraciformes
d. Gruiformes
30. Zygodactylus foot is present in .
a. Psittacula
b. Eudynamis
c. Tyto
d. Mecops
31. In zygodactylus foot
a. Ist & IV digits are directed backward
b. Ist & IV digits are directed forward a.
c. IInd & III digits are directed backward
d. Ist & Illrd digits are directed backward
x x
Chapter 11. Vertebrate,-6 (Gnathostomes -V Mammalia)
1. In Mammalian ear, the ear ossicles are
a .2 in number
b. 3 in number
c. 4 in number
2. Diaphragm in mammals separates
a. lungs from Heart
b. thorax from abdomen
C. none of these
3.Origin and ancestry of mammals is to be traced in
a. synapsid reptiles
b. anapsid reptiles
c. euryapsids
d. none of these.
4. The number of sub classes of Class mammalia is ...
a. 2
b. 3
c.4
5. Monotremata is
a. Order
b. Class
c. Sub-class
d. Family
6. In Microchiroptera
a. snout is absent
b. snout is large
c. snout is short
7. Cynocephalur is
a. microchiropteran
b. insectivore
c. dermapteran
8.The name of Common Indian Lemur is
a. Nycticebus caucang
b. Simia
c. Loris tardigradus
d. Macaca
9. In Artiodactyls, the number of dorso-lumbar vertebrae is
a. 23
b. 19
c. 20
d. 17
10. Kangaroo is the national animal of
a. Australia
b . NewZealand
c. Algeria
d. Argentina
x x
11.Dental formula of Kangaroo is
a. i3/1 c 1/0, pm 2/2 m 4/4
b. i2/2 c 1/1, pm 2/2 m 4/4
c. i 1/1 c 2/1, pm 2/2 m 4/4
d. i3/1 c 1/0, pm 2/1 m 2/4
12. Short tailed mole of Assam is
a. Talpa micrura
b. Pleropus medius
c. Crocidura murina
d. Tachyglossus aculeata
13. The duck billed Platypus is
a. Ornithorhynchus
b. Tachyglossus
c. Macropus
d. Cyanocephalus
14 . The only living mammals with bony plates in its skin is
a. Dasypus
b. Bradypus
c. Delphinus
d. Panthera
15. Baleen is made up of two rows of. ....transverse plates of keratin
a. 100-200
b. 200-400
c. 400-600
d. 600-800
16. A rare skeleton discovered recently near Karachi, Pakistan is of
a. Ganga Dolphin
b. Great Indian blue whale
c. Porpoise of Bay of Bengal
d. Indian porcupine
17. Langur belongs to the genus
a. Lemur
b. Macaque
c. Semnopithecus
d. Hylobates
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