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SR. TEACHER (SEC. EDU.) COMP. EXAM 2025 2026 question with answer

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Question 25
Question Paper for Sr. Teacher (Sec. Edu.) Comp. Exam - 2025(Science) Rajasthan English MCQ

Q25.During ecological succession, when replacement of the existing community is caused largely by external abiotic factors, and not by the existing organisms, it is called:

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