Q.

Which one of the following pairs of items correctly belongs to the category of organs mentioned against it

A

Thorns of Bougainvillea – Analogous organs and tendrils of Cucurbita

B

Nictitating membrane and – Vestigial organs blind spot in human eye

C

Nephridia of earthworm – Excretory organs and Malpighian tubules of cockroach 

D

Wings of honey bee and wings of crow – Homologous organs


A.

(c) In annelids like Nereis, earthworm, leech, etc, the tubular coiled structures called nephridia are excretory organs. In phylum-Arthropoda, insects centipedes, millipedes and arachnides possess Malpighian tubules as their principal excretory organ.

 



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