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Q.
In Plasmodium signet ring stage is formed during:
Rajasthan PMTRajasthan PMT 2004
Solution:
During erythrocytic schizogony, micro metacryptomerozoites enter into the blood stream and each enters the red blood corpuscles and assumes rounded disc like shape with single nucleus. It develops a vacuole which gives a ring like appearance. This stage is known as signet ring stage.