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Question

The anterior V-spot in microfilmed of Wuchereria represents

A
Nerve ring
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B
Cervical Papillae
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C
Excretory system
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D
Reproductive system
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Solution

The correct option is A Excretory system
Wuchereria bancrofti infects the lymphatic system, causes lymphatic filariasis throughout the tropical and sub-tropical regions. Here, females can produce thousands of juveniles and are known as microfilariae. These can retain egg membrane as a sheath. About the midway along the length, of these microfilaria, there is an anterior V-spot which represents the rudimentary excretory system. Posterior V-spot represents cloaca or anal pore.
Thus, the correct answer is option A.

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