Practice EXERCISES - 11.3 | 11. ORGANISMS AND POPULATIONS | CBSE Grade-12 Biology
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EXERCISES

11.3 - EXERCISES

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

List three attributes of a population.

💡 Hint: Think about characteristics that apply collectively rather than individually.

Question 2 Easy

Define commensalism.

💡 Hint: Focus on the relationship dynamics between two species.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What attribute is NOT typical of a population?

Birth Rate
Size
Color
Density

💡 Hint: Think about whether the characteristic can apply to a group.

Question 2

True or False: Parasitism benefits both organisms involved.

True
False

💡 Hint: Consider the definitions of the interaction types.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an experiment to observe the effects of population density on growth rate in plants. Outline your methodology.

💡 Hint: Consider factors like nutrients and space that impact plant growth.

Challenge 2 Hard

Analyze a case where introducing a new predator species changed the dynamics of an ecosystem. What were the ecological consequences?

💡 Hint: Think about predator-prey relationships and their broader impacts.

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