Q. Assertion: The honey bee queen copulates only ones in her life time. Reason: The honey bee queen can lay fertilized as well as unfertilized eggs.

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Solution:

Honey bee shows both sexual and Asexual (Parthenogenesis) reproduction. Diploid (2n = 32) fertilized egg give rise to queer and workers and unfertilized haploic (n = 16) produce males or drones. The queen mates only ones in her life time. The sperms stored in her spermatheca fertilize her eggs as long as she live. So, both Assertion and Reason are correct.