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Animal Kingdom — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYAnimal Kingdom1 Mark
MCQ
Two chambered heart occurs in:
  • A
    Crocodiles
  • B
    Fish
  • C
    Aves
  • D
    Amphibians
✓

Answer

  1. Fish

Explanation:

Fishes have two chambered heart - one auricle and one ventricle. Auricle is responsible for taking in blood from body and ventricle pumps out the blood that has entered the heart through gills and give fresh oxygen to the blood. 

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