Q.1
Which among the following is incorrect about Pisces?
  • a) They have a streamlined body and a muscular tail that helps them in their movement
  • b) They are cold-blooded animals and can regulate the body temperature
  • c) Their heart is 2 chambered
  • d) Their skeleton is made of cartilage and bone
Q.2
Which among the following is an incorrect statement about circulatory system in Pisces?
  • a) Their circulatory system is of closed type
  • b) They have two-chambered heart i.e. they have an auricle and a ventricle
  • c) They have a single circulatory system with gills i.e. oxygenated blood is pumped to body parts only once
  • d) Auricle is also called receiving chamber and ventricle is also called as pumping chamber
Q.3
Which among the following is the main difference between Chondrichthytes and Osteichthytes?
  • a) Endoskeleton composition
  • b) Fins
  • c) Type of blood
  • d) Type of jaws
Q.4
Which among the following is not correct about Chondrichthytes?
  • a) Chondrichthytes are jawless fishes
  • b) They have stream-lined body
  • c) Notochord is present throughout their life
  • d) Their skin is covered with pointed denticles
Q.5
Which among the following is incorrect about Osteichthyes?
  • a) Swim bladder helps them retain buoyancy
  • b) Many of them are edible
  • c) Gills are separate without operculum
  • d) Skin covered with cycloid/ ctenoid scales
Q.6
Which among the following is incorrect about Tetrapoda?
  • a) Lobe-finned fishes were ancestors of tetrapods
  • b) Tetrapoda are classified into 4 sub-classes i.e. Amphibia, Reptilia, Aves and Mammalia
  • c) The word tetrapoda means those that have four chambered heart
  • d) Most of them are terrestrial
Q.7
Which among the following is incorrect about Amphibia?
  • a) They can live both on land and water
  • b) They are warm-blooded animals
  • c) They have three chambered heart
  • d) They have gills/ lungs to respire
Q.8
Which among the following is incorrect about organ system in Amphibia?
  • a) In amphibians, blood passes the heart twice
  • b) Left auricle deals with deoxygenated blood
  • c) Ventricle deals with both oxygenated and deoxygenated blood
  • d) Tympanum represents ears in amphibians
Q.9
Which among the following is incorrect about Reptilia?
  • a) These are cold-blooded animals with scales on them
  • b) All of them have a three-chambered heart
  • c) Kidneys are present for excretion
  • d) These are oviparous
Q.10
Which among the following is incorrect about Aves?
  • a) Scales are absent and skin is dry except at the one end there is an oil gland
  • b) Endoskeleton is made of bones and they respire through lungs
  • c) They have cold-blooded animals
  • d) They are dioecious and oviparous
Q.11
Which among the following is incorrect about Mammals?
  • a) They are mostly terrestrial and feed their young ones with milk
  • b) Scales are absent, instead hairs, sweat and oil glands on skin
  • c) They respire through lungs and their heart is four-chambered
  • d) Bats are the only mammals that lay eggs and feed their young ones with milk
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