Q. A group of plants or animals with similar traits of any rank is

 2497  190 AIPMTAIPMT 1991The Living World Report Error

Solution:

Each unit or category of classification is termed as a taxon. It represents a rank. All the organism belonging to a similar taxon share similar traits. For example, the basic level of classification is species, followed by genus, family, order, class, phylum or division, in ascending order. So, the correct option is 'Taxon'.