Q42 of 57 Page 53

Classify the following based on number of chambers in their heart.

Rohu, Scoliodon, Frog, Salamander, Flying lizard, King Cobra, Crocodile, Ostrich, Pigeon, Bat, Whale

Two chambered heart- Rohu, Scoliodon

Three chambered heart – Frog, Salamander, Flying lizard, King Cobra


Four chambered heart- Crocodile, Ostrich, Pigeon, Bat, Whale


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40

Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate)

Spongilla, Sea anemone, Planaria, Liver fluke, Wuchereria , Scorpion, Ascaris , Birds, Nereis, Fishes, Earthworm, Horse.

 41

Endoskeleton of fishes are made up of cartilage and bone; classify the following fishes as cartilagenous or bony Torpedo, Sting ray, Dog fish, Rohu Angler fish, Exocoetus.

 43

Classify Rohu, Scoliodon , Flying lizard, King cobra, Frog, Salamander, Ostrich, Pigeon, Bat, Crocodile and Whale into the cold blooded/warm blooded animals.

 44

Name two egg laying mammals.