1. Tardigrade
  2. Question
  3. Biology
  4. Each one of the following options has a rule regarding a certain animal group and an exception from that group written in brackets. Which one is incorrect?

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Q. Each one of the following options has a rule regarding a certain animal group and an exception from that group written in brackets. Which one is incorrect?

NTA AbhyasNTA Abhyas 2020Animal Kingdom

Solution:

Reptiles have an incompletely four-chambered heart. Crocodilus (crocodile) has a completely four-chambered heart. Amphibians have two pairs of limbs. Ichthyophis is a limbless amphibian. Sponges are found in marine water. Spongilla is a freshwater sponge. Roundworms (Ascehelminthes) are dioecious in which males and females are separate. Ascaris is also a dioecious roundworm following the rule.