Class 11 · Biological Classification

Sporozoans & Infectious Lifecycle — NEET Biology

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Sporozoans: This includes diverse organisms that have an infectious spore-like stage in their life cycle. The most notorious is Plasmodium (malarial parasite) which causes malaria, a disease which has a staggering effect on human population.

NCERT Biology · Class 11 · Chapter 2 · Paragraph 27
How NTA Uses This Concept

Sporozoans are parasitic protozoans with a spore-like infectious stage, exemplified by Plasmodium causing malaria. NTA tests this to ensure students distinguish sporozoans from amoeboids—many wrongly assume sporozoans move via pseudopodia like amoebas do. The key difference is that sporozoans lack pseudopodia and instead have an obligate parasitic lifecycle with infectious stages transmitted to hosts. Remember: sporozoans = infectious spore stage + parasitic; Plasmodium specifically infects RBCs and is transmitted by mosquitoes, causing one of humanity's deadliest diseases. This concept remains testable for medical relevance and classification accuracy.

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