Q6. Which term describes an organism’s functional role in an ecosystem?
- A. Habitat
- B. Niche
- C. Community
- D. Biome
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This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Organisms and Population. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.
Key concepts covered in this specific test include Contributes, Decrease, Population, Following, Characteristic, and Expanding.
Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.
Which factor contributes to a decrease in population size?
High natality
High immigration
Increased emigration
Stable birth rate
Which of the following is a characteristic of an expanding population?
Broad reproductive age group
Narrow base in age pyramid
More post-reproductive individuals
Declining birth rate
Which of the following is an incorrect statement about carrying capacity?
Carrying capacity is the maximum population an environment can support.
It remains constant regardless of environmental conditions.
It is influenced by resource availability and competition.
Populations may temporarily exceed carrying capacity before declining.
Which of the following is NOT a characteristic of an r-selected species?
High reproductive rate
Short lifespan
Large body size
Minimal parental care
What does a higher intrinsic rate of natural increase (r) indicate?
Slower population growth
Lower birth rate
Higher potential for population growth
Longer lifespan
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