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

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 4. Animal kingdom1 Mark
MCQ
Choose the correct difference from the following

pritis $\quad-\quad$ Catla

  • A
    $3$ - chambered heart $2$ $\quad-\quad$ chambered heart
  • B
    Small placoid  scales $\quad-\quad$ Large placoid scales
  • ✓
    Ventral mouth $\quad-\quad$ Terminal mouth
  • D
    Swim bladder present $\quad-\quad$ Swim bladder absent
✓

Answer

Correct option: C.
Ventral mouth $\quad-\quad$ Terminal mouth
c
Pristis and Catla are the two types of fishes that can be differentiated on the basis of location of mouth. The pristis possess a ventral mouth whereas catla have terminal mouth.

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