A group of microorganisms characterized by having few flagella.
कुछ परचलों वाले सूक्ष्मजीवों का समूह।
English Usage: "The oligotrichia found in the water sample were indicative of its quality."
Hindi Usage: "पानी के नमूने में पाए गए oligotrichia उसकी गुणवत्ता को दर्शाते थे।"