Directions : Each item in this section consists of a sentence with an underlined word followed by four words or group of words. Select the option that is opposite in meaning to the underlined word and mark your response on the answer sheet accordingly.
Directions : In this section, there is a passage that has some blank spaces, each with four words or group of words. Select whichever word or group of words you consider the most appropriate for the blank space and indicate your response on the Answer Sheet accordingly.
Most of our food comes from agriculture, so we tend to believe that it is ________ of natural biota. This is not true. In nature, ________ plants and animals ________ to the rigours of natural selection. Only the fittest survive. ________ wild populations have numerous traits for competitiveness, resistance to parasites, ________ to adverse conditions, ________ other aspects of vigour. In contrast, populations grown for many ________ under the pampered conditions of agriculture tend to lose these traits, because they ________ for production, not resilience. For example, a high-producing plant ________ lacks resistance to drought ________ and the resistance to drought is ignored. Also, in the process of breeding plants for maximum production, all genetic variation is eliminated.