12th Biology Ecology Quiz

12th Biology Ecology Quiz: Online MCQ free test on ecology chapter

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/@QuizRankers 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

1 / 10

1. An adaptation that allows an animal to avoid detection by predators is called:

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2 / 10

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

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3 / 10

3. Plants produce toxins as a defense against:

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4 / 10

4. Which of the following is an example of mutualism?

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5 / 10

5. Population density refers to:

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6 / 10

6. Which of the following is an attribute of a population but not of an individual organism?

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7 / 10

7. An age pyramid with a triangular shape indicates:

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8 / 10

8. Parasitism can be described as an interaction where:

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9 / 10

9. The competitive exclusion principle states that:

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10 / 10

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.org, 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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