MCQ
What is present in amoeba for excretion ?
- A$ER $
- BGolgibody
- ✓Vacuole
- DMitochondria
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$(i)$ Most of them are fresh water organisms found in standing water.
$(ii)$ They have a protein rich layer (called pellicle) which makes their body flexible.
$(iii)$ They have two flagella, a short and a long one.
$(iv)$ Though they are photosynthetic in the presence of sunlight, but in the absence of sunlight they behave like heterotrophs by predating on other smaller organisms. Identify the correct group on the basis of these characters.