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Organisms and Populations Quiz

Class XII
Biology
Organisms and Populations
11 questions
MEDIUM

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1. What is the term for the role of an organism in its environment?

Habitat · Niche · Biome · Community

2. Which of the following is NOT a characteristic of a population?

Density · Growth rate · Genetic variation · Individual lifespan

3. Which factor is NOT considered a density-dependent factor affecting population size?

Food availability · Predation · Disease · Natural disasters

4. What type of population growth is represented by a J-shaped curve?

Logistic growth · Exponential growth · Stable growth · Declining growth

5. In a predator-prey relationship, what is the effect of increased prey population on predator population?

Decreases predator population · Increases predator population · No effect · Causes extinction of predators