Question

Which of the following pairs do not show parasitism?

• A. Bird and rhinoceros
• B. Virus and host cell
• C. Tapeworm and human
• D. Tuberculosis bacteria and human
• E. Flukes and fish

Answer 1

The correct option is A Bird and rhinoceros

Association of organisms where one of the partners is benefitted at the expense of other is called as parasitism. The given organisms viruses, tapeworm, tuberculosis bacteria in humans and flukes in fishes are all examples of parasites. They survive in the host cells and derive nourishment at the cost of hosts' life. Birds and rhinoceros have symbiotic relationship, where the birds feeds on the insects on the body of the rhinos and provides prevention from infection.

Thus, the correct answer is option 'Birds and rhinoceros'.