Diversity in Living Organisms — Science STD 9 — Question
Gujarat BoardEnglish MediumSTD 9ScienceDiversity in Living Organisms1 Mark
MCQ
How many chambers are there in fish heart:
✓
Two
B
Three
C
Four
D
One
✓
Answer
Correct option: A.
Two
All vertebrates have a muscular chambered heart.
Fishes have a two chambered heart with a single atrium and a ventricle.
In fishes, the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body parts from where deoxygenated blood is returned to the heart $($single circulation$).$
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