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STD 11 - 4. Animal kingdom — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 4. Animal kingdom1 Mark
MCQ
Which of the following is true for all amphibians?
  • A
    All have tail
  • ✓
    Excretion by kidneys
  • C
    Alimentary canal and urinary and reproductive tracts open into different chambers to the exterior
  • D
    Heart is three-chambered with two ventricles
✓

Answer

Correct option: B.
Excretion by kidneys
b
Tails is not present in all amphibian, $e.g.$ class Anura is without tail. Bufo (Toad), Rana (Frog)
Excretion occurs by mesonephric kidneys in Amphibians
In amphibians alimentary canal, urinary and reproduction tract open into common chamber called cloaca
Heart is three-chambered in amphibians with two auricles and one ventricle

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