12th Biology Ecology Quiz Online MCQ free test for 2026 exam

12th Biology Ecology Quiz Online MCQ free test for 2026 exam

Are you student of 12th Biology grade or preparing any competitive exam based on 12th standard? If yes! Participate in 12th Biology Ecology Quiz for Check knowledge with instant result. Subscribe our YouTube Channel youtube.com/@QuizRanker and Study MCQ 12th Biology Quiz with question answer for better marks.

Ecology MCQ Test Quiz

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Time: 10 Minutes for 10 Question.

12th Biology: Ecology

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1. The logistic growth model differs from the exponential model in having:

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2. An example of parasitism is:

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3. Important characteristics of a population include:

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4. Biological control of pests is based on:

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5. Brood parasitism in birds involves:

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6. An orchid growing on a mango tree branch is an example of:

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7. Parasitism can be described as an interaction where:

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8. If a population doubles in size every 3 years, what is its intrinsic rate of increase (r)?

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9. An age pyramid with a triangular shape indicates:

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10. A community differs from a population in having:

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Pankaj Karn

I’m a dedicated biology teacher specializing in online education and academic writing. Currently, I contribute to QuizRanker.in, where I create engaging and informative biology content. With an MSc degree in hand, I’m passionate about making complex biological concepts accessible and exciting for students everywhere.

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