Which one is spindle-shaped, mobile with microtubules ?

Sporont

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Ookinete

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Cryptozoite

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Sporozoite

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Solution

The correct option is D Sporozoite
Sporont is an encysted spore developed from a zygote, which undergoes sporogony to form sporozoites. Ookinete is the fertilized form of the malarial parasite in a mosquito's body. Sporozoites are spindle or sickle-shaped and uninucleated organism capable of wriggling movement. Each has a covering form but elastic pellicle containing longitudinal contractile microtubules.
So, the answer is D.

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Similar questions

List I	List II
(A) $G_{2}$ phase	(I) Fusion of microtubules to form spindle apparatus
(B) Prometaphase	(II) Production of energy required for spindle formation
(C) Anaphase	(III) Recombination of genetic material
(D) Pachytene	(IV) Contraction of tubulin proteins
	(V) Reappearance of plasmosome

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