Read the above passage carefully for the question ( 11 - 15 )
Most of our food comes from agriculture, so we tend to believe that it is__6___ of natural biota. This is not true. In nature,__7___plant and animals __8__ to the rigours of natural selection. Only the fittest survive.___9___wild populations have numerous traits for
competitiveness, resistance to parasites,___10___ more like other to adverse conditions,__11___other aspects of vigour. In contrast, populations grown for many__12___more under the pampered conditions of agriculture tend to lose these traits,. because they __13___more for production, not resilience. For example, a high -producing plant__14___lacks resistance to drought is__15____and the resistance to drought is ignored. Also, in the process of breeding plants for maximum production, all genetic variation is eliminated.
Correct Answer: (a) and
Solution:From the given options, 'and' will fit in the blank appropriately in order to make the sentence grammatically and contextually correct. The complete sentence will be- "...conditions, and other aspects of vigour."