Beneficial and Harmful Insects MCQs for Competitive Exams

MCQS

Beneficial and Harmful Insects MCQs for Competitive Exams

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174 MCQs Page 18

Topic Notes: Beneficial and Harmful Insects

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Beneficial and Harmful Insects 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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171

Which of the following statements regarding semiochemicals is incorrect?

Synomone is beneficial to receiver and emitter

Antimones are non-advantageous to both receiver and releaser

Kairomone is beneficial to receiver

None of these

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172

What term describes parasites that are capable of infesting a wide range of different host species?

Transitory parasites

oligophagous parasites

Polyhagous parasites

Facultative parasites

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173

In which insect groups is the phenomenon of homomorphism observed?

Cowbug

Preying mantid

Both B and C

Membracidae

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174

Which insect species is responsible for the production of lac?

Apis cerana

Apis dorsata

Bombyx mori

Laceifera lacca

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Beneficial and Harmful Insects MCQs for Competitive Exams