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The study was carried out to examine how an appropriate assessment technique can be used to promote and improve Junior Secondary School students’ interest in Agricultural / Home Economics by examining the unidimensionality of multiple-choice items in Pre-Vocational studies in Agricultural/Home Economics in the 2025 Basic Secondary School Examination. Six research questions and two hypotheses guide the study. The study used both a survey and correlational design; the population for the study was 75,622 junior secondary schools in the 2024/2025 academic session in Delta State. A two-stage multi-sampling was used to select the sample; a total of 300 students were selected. The instrument for the research is the Delta State 2025 Pre-Vocational Question for Basic Secondary School Certificate Examination. The validity and reliability were already established by the examination body. The instrument was administered to 300 students. Point-by-Point Biserial Correlation was used for data analysis at 0.05 level of significance. The findings revealed that 33(55%) out of the 60 items were unidimensional, while 27(45%) were multidimensional. Analysis of the hypothesis shows discrimination of the item for both gender and location, which will affect students’ interest in Agriculture and Home Economics. Conclusions were drawn, and recommendations were also made on how to arouse students’ interest in Agriculture that will help in the economic development of the nation and other developing countries.