CBSE Questions for Class 11 Medical Biology Animal Kingdom Quiz 16 - MCQExams.com

Tympanum can be traced in 
  • All birds
  • Duck only
  • Bats
  • None of the above
Which one of the following characters is not typical of mammals?
  • Presence of mammary glands
  • Presence of hair
  • Presence of neck
  • Mammals are viviparous animals.
The duckbill platypus is an exception to:
  • Reptiles 
  • Mammal 
  • Amphibians
  • Aves 
Tornania larva is characteristics of
  • Hemichordates
  • Urochordates
  • Cephalochordates
  • Vertebrates
Prochordates lack:
  • Cranium and vertebral column
  • Jaws and vertebral column
  • Paired appendages
  • All of the above
Balanoglossus is commonly known as :
  • Peacock worm
  • Acorn worm
  • Sand worm
  • None of the above
Hemichordates are not regarded as true chordates, because:
  • They are triploblastic.
  • They do not possess a true notochord.
  • They are bilaterally symmetrical.
  • Both B and C
Dissimilarity found in Aves and Mammalia is
  • Warm blooded animal
  • Lay eggs
  • Breathe through lungs
  • Four chambered heart
Horned toad, Phrynosoma has keratinized horns on its head. It is a or an
  • Lizard
  • Amphibian
  • Chelonian reptile
  • Mammal
Notochord of Hemichordata is also termed as 
  • Midgut diverticulum
  • Buccal diverticulum
  • Intestinal diverticulum
  • None of the above
Protochordates are 
  • Mucous feeders
  • Water current feeders
  • Ciliary feeders
  • Predators
On the basis of the following features identify the correct option

  1. These animals are cold-blooded, have scales and breathe through lungs.
  2. Most of them have a three-chambered heart.
  3. They lay their eggs with tough coverings and do not need to lay their eggs in water.
  • Reptilia
  • Aves
  • Amphibia
  • Pisces
Which of the following lizard is limbless and serpentiles?
  • Hemidactylus
  • Ophiosaurus
  • Heloderma
  • Varanus
In Amphioxus notochord is present only in
  • In embryo
  • In adult
  • Both A and B
  • None of the above
Saurology is the study of
  • Flight less bird
  • Lizards
  • Snakes
  • Birds
Which of the following pair is unmatched for the animals of Reptilia class?
  • Cleidoic eggs and temperature constant
  • Meroblastic cleavage and lack of metamorphosis
  • 12 pairs cranial nerves and skin rough
  • Skull monocondylic and skin with scales
'Wheel organ' is found in
  • Herdmania
  • Amphioxus
  • Balanoglossus
  • All of the above

The biggest snake in venomous snakes is
  • King cobra
  • Ptyas
  • Python
  • Pit viper
Stomorchord (buccal diverticulum) is present in 
  • Amphioxus
  • Herdmania
  • Balanoglossus
  • None of the above
Hatschek's nephridium is present in 
  • Herdmania
  • Amphioxus
  • Both of the above
  • All of the above
Poison gland in poisonous lizard is
  • Parotid gland
  • Submaxillary gland
  • Infraorbital gland
  • Sublingual gland
Which substances are found in the poison of cobra and viper?
  • Hepakine and Dicumarole
  • Cardiotoxine
  • Neurotoxin and Cardiotoxin
  • Cardiotoxin and Haemorrhaging
Lizard like reptiles with three eyes are 
  • Calotes
  • Draco
  • Sphenodon
  • None of the above
Which of the following snakes has vestiges of hind limbs?
  • Hydrophis
  • Python
  • Eryx
  • Viper
Order Squamata consists of 
  • Crocodile
  • Lizards and Snakes
  • Bats
  • Turtles and Pangolin
Proboscis, collar and trunk coelom represent fine coelomic cavities in 
  • Herdmania
  • Amphioxus
  • Balanoglossus
  • None of the above
Exoskeleton of dry scales is characteristic of
  • Cartilagenous fishes
  • Bony fishes
  • Reptiles
  • Amphibia
Group Amniota includes
  • Birds and mammals
  • Birds and reptiles
  • Mammals and reptiles
  • Reptiles, birds and mammals
Only poisonous lizard of the world is
  • Heloderma
  • Ophiosaurus
  • Phrynosoma
  • Varanus
Cause of death during snake bite is
  • Failure of nerves
  • Destruction of RBCs
  • Permanent contraction of muscles
  • Both A and B
Horned toad belongs to
  • Amphibian
  • Reptilia
  • Protochordata
  • Aves
Which of the following animal is called as typical chordate?
  • Hermania
  • Amphioxus
  • Balanoglossus
  • Salpa
The embryo is surrounded with amnion in 
  • Toad
  • Snake
  • Fish
  • Cock roach
Which of the following indicate non-venomous animals?
  • Naja
  • Varanus
  • Bungarus
  • Viper
Thecodont teeth and four chambered heart occur in:
  • Crocodilia
  • Viperidae
  • Lacertilia
  • Chelonia
A viviparous snakes is
  • Viper
  • Rattle snake
  • Hydrophis
  • All of the above
The marine fish Myxine is also known as:
  • Lamprey
  • Hagfish
  • Silverfish
  • Devilfish
Sphenodon is a lizard like reptilian (living fossil) found in New Zealand, it is placed in an order called as 
  • Rhynchocephalia
  • Rhizocephala
  • Lacertilia
  • Saurischia
Deliberate breaking of tail called autotomy occurs in some reptiles for
  • Defensive mechanism
  • The process of asexual reproduction
  • Reproductive behaviour
  • Warning behaviour to its enemy
In which of the following groups the operculum is present?
  • Polypterus
  • Hippocampus
  • Holocephali
  • Teleostomi
  • Both C and D
In snakes, 
  • Eye lids are vestigeal
  • Immovable eyelids
  • Movable eyelids
  • None of the above
The diaphragm is present in which of the following?
  • Ostrich
  • Crocodile
  • Frog
  • Cat
Which of the following is the correct set?
  • Heloderma - Gilla monaster
  • Sphenodon - Tuatara
  • Draco - Flying lizard
  • All of the above
Bats belongs to which order of Mammalia?
  • Chiroptera
  • Metatheria
  • Eutheria
  • None of the above
In most of the mammals:
  • Pinna are found
  • Mother gives birth to young ones
  • Seven cervical vertebral are found
  • All of the above
Which is a balancing organ of fish?
  • Ampulla of larinzini
  • Utriculus
  • Air bladder
  • Internal ear
Tusk in elephants are modified form of
  • Lower incissor
  • Lower canine
  • Upper canine
  • Upper incissor
Which mammals shows polyembryony?
  • Sloth
  • Kangaroo
  • Sorex
  • Armadillo
Which of the following is the most primitive mammals?
  • Anteater
  • Armadillo
  • Spiny anteater
  • Scaly anteater
Prototheria have evolved from 
  • Metatheria
  • Reptiles
  • Snakes
  • Birds
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