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Disease Resistance MCQs for Competitive Exams

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Disease Resistance MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

53 MCQs Page 5

Topic Notes: Disease Resistance

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Disease Resistance MCQs in Agriculture are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

Attempt the questions page by page, check the correct answers, read the explanations where available, and compare your weak areas with past papers and mock test performance. Consistent MCQ practice improves speed, confidence, and retention for objective exam sections.

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41
What is the term for the resistance pattern where different crop cultivars show varying levels of interaction with specific biotypes of the same insect species?
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42
Which type of plant resistance is characterized by high initial effectiveness against a pathogen but often fails after several years of widespread cultivation?
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43
What is the term for resistance that remains consistent across all biotypes of a specific insect pest?
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44
In which cellular compartments do Pathogenesis-Related (PR) proteins primarily accumulate?
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45
What is the term for a resistance mechanism where different crop cultivars exhibit differential interactions when exposed to various insect biotypes of the same species?
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46
What term describes the total, complete resistance of an organism against adverse environmental or pathological conditions?
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47
In alfalfa (lucerne), what chemical compound is associated with resistance to the spotted alfalfa aphid?
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48
What is the term for a plant that is susceptible to a pathogen during its seedling stage but develops resistance as it matures?
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49
Who is credited with coining the term 'hypersensitive response' in the context of plant pathology?
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50
Who proposed the concept of hypersensitivity in the context of plant pathology?
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