CBSE Questions for Class 11 Medical Biology Animal Kingdom Quiz 5 - MCQExams.com

Opossum is a small ............ marsupial.
  • Arboreal
  • Nocturnal
  • Insectivorous
  • All of the above
The mammal, which shows the characteristics of both reptiles and mammals are:
  • Marsupials
  • Monotremes
  • Cetacean
  • Rodents
All mammals are viviparous, but lower mammals are
  • Oviparous
  • Ovoviviparous
  • Placental
  • None of the above
Whale is a mammal, because it has
  • A pair of lungs
  • A pair of testis
  • Four chambered heart
  • Diaphragm between the thorax and the abdomen
A distinguishing features of class mammalia is
  • Presence of diaphragm
  • Seven cervical vertebrae
  • Both A and B
  • None of the above
The number of cervical vertebrae in humans are:
  • Equal to whale
  • Half to giraffe
  • More than rabbit
  • Double to rat
Retia mirabilia specially in thoracic region are extensively developed in
  • Artiodactyla
  • Perrisodactyla
  • Cetacea
  • All of the above
Male seal is polygamous and controls groups of females. This group is known as
  • Herd
  • Flock
  • Rookerd
  • Colony
Radar system is used for food location by which one of the mammals?
  • Cats
  • Rats
  • Tigers
  • Bats
Periodical shed of epidermal covering in snakes is called
  • Growth
  • Ecdysis
  • Keratinization
  • None of the above
Which one of the following is not a feature of mammals?
  • Four chambered heart
  • Seven cervical vertebrae
  • Homodont dentition
  • Diaphragm
Which of the following is an exclusive character of class Mammalia?
  • Homeothermy
  • Internal fertilization
  • Presence of muscular diaphragm
  • Completely four chambered heart
Lemur is found only in____________.
  • New Zealand
  • Madagascar
  • Australia
  • Tropical Africa
Flipper of a whale is the modification of:
  • Skin
  • Hindlimb
  • Forelimb
  • Patagium
Ruminants are 
  • Artiodactyl
  • Cetaceans
  • Rodents
  • Perissodactyl
The baleen plate of whale is
  • Modified tooth
  • Modified sebaceous gland
  • Modified integument
  • Modified tongue
Select the false statement.
  • In rats, the teeth are heterodont and thecodont.
  • In a female rat, the urinary and genital apertures are located below the anus.
  • In female rats, six pairs of nipples are present on the ventral surface of the trunk.
  • In rats, 12 pairs of cranial nerves and 33 pairs of spinal nerves are present.
  • None of the above.
.......... makes sound similar to human laugh.
  • Acinoyx
  • Canis
  • Hyena
  • Phoca
Which one of the following is a chordate but not a vertebrate?
  • Scoliodon
  • Salamender
  • Amphioxus
  • Snake
Coleom divided into three parts in 
  • Balanoglossus
  • Amphioxus
  • Hermania
  • Petromyzon
The mode of coelom formation in Hemichordata is
  • Enterocoelus
  • Pseudocoelous
  • Schizcoelous
  • All of the above
The larval form of Hemichordata is called as:
  • Trochophore
  • Tornaria
  • Tadpole
  • Ammocete
Skin of reptiles is characterised by:
  • Sweat gland
  • Oil gland
  • Hair
  • Scales
Balanoglossus is now classified in
  • Chordata
  • Urochordata
  • Cephalochordata
  • Non-chordata
Left lung is poorly developed in 
  • Lizard
  • Snakes
  • Crocodile
  • Man
Body wall of Hemichordates is composed of 
  • Only epidermis
  • Only dermis
  • Epidermis and dermis both
  • Mucous glands
Excretory organs of Amphioxus are 
  • Nephridia
  • Pronephric kidney (protonephridia)
  • Mesonephric kidney
  • Metanphridic kidney
Which of the following is a poikilothermic animal?
  • Tortoise
  • Otter
  • Penguin
  • Whale
Most venomous fish is
  • Stone fish
  • Cat fish
  • Electric ray
  • Saw fish
Which fish is known as living fossil?
  • Chimaera
  • Latimeria
  • Pristis
  • Harpodon
Which is not a mammal?
  • Dolphin
  • Anteater
  • Echidna
  • Ostrich
Which of the following is a poisonous lizard?
  • Monitor lizard
  • Gila monster
  • Flying lizard
  • Horned toad
Warm blooded animals have
  • Body temperature similar to climatic temperature
  • Body temperature, which is always constant
  • Cold blood
  • None of the above
Which of the following is a non-venomous snake?
  • Cobra
  • Eryx
  • Viper
  • Krait
Most of the venomous snakes have
  • Laterally compressed tail
  • Narrow belly scales
  • Smaller uniform belly scales
  • Wide transeverse scales as broad as belly
The most advanced character of crocodile and Gavialis is
  • Shelled egg
  • Pleurodont dentition
  • Four chambered heart
  • Powerful jaws and large body size
Oviparous animal is 
  • Scoliodon
  • Viper
  • Scorpion
  • Cobra
Which is the first amongst amniotes, as regards to evolutionary series?
  • Mammalia
  • Aves
  • Reptilia
  • Amphibian
The tympanum (ear drum) is absent in:
  • Rays
  • Carilaginous Fishes
  • Bony fishes
  • All of the above
Which of the following has no teeth in its mouth?
  • Tortoise
  • Crocodile
  • House gecko
  • Gliding lizard
The embryo of fish is covered by
  • Amnion
  • Chorion
  • Allantois
  • None of the above
Trimethyl amine is excreted by
  • Marine teleosts
  • Molluscs
  • Amphibians
  • None of the above
In fishes, respiration takes place by:
  • Gills and scales
  • Book lungs
  • Gills and fins
  • Gills
Which of the following group of animals have 'monocondylar skull'?
  • Amphibia and mammals
  • Reptilia and mammals
  • Aves and mammals
  • Reptilia and Aves
Fishes able to breath in air
  • Fresh water fshes
  • Marine fishes
  • Elasmobranchi
  • Dipnoi
Skull of fish is
  • Monocondylar
  • Dicondylar
  • Acondylar
  • None of the above
Salivary glands are modified into poison glands in
  • Snakes
  • Lizard
  • Both A and B
  • None of the above
Which fin are paired in fishes?
  • Dorsal fin
  • Anal fin
  • Pelvic fin
  • None of the above
Air bladder is present in 
  • Dog fish
  • Flying fish
  • Hag fish
  • Electric fish
Bat can fly in night, because
  • It has strong sense of sight.
  • Strong sense of smell.
  • It can hear high velocity sound waves.
  • It can produce high velocity sound waves and perceive them.
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