NEET Biology: Organisms and Population — MCQ Test 12

Q6. Which term describes an organism’s functional role in an ecosystem?

Q7. Which of the following is a correct statement about secondary succession?

Q8. Which of the following statements about the carbon cycle is incorrect?

Q9. Which type of age pyramid indicates a declining population?

Q10. Which of the following statements about the nitrogen cycle is correct?

NEET BiologyOrganisms and Population

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Which factor contributes to a decrease in population size?

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About this NEET MCQ Test

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.

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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.

Preview of Questions in this Test

Q1. Which factor contributes to a decrease in population size?

  • A. High natality
  • B. High immigration
  • C. Increased emigration
  • D. Stable birth rate

Q2. Which of the following is a characteristic of an expanding population?

  • A. Broad reproductive age group
  • B. Narrow base in age pyramid
  • C. More post-reproductive individuals
  • D. Declining birth rate

Q3. Which of the following is an incorrect statement about carrying capacity?

  • A. Carrying capacity is the maximum population an environment can support.
  • B. It remains constant regardless of environmental conditions.
  • C. It is influenced by resource availability and competition.
  • D. Populations may temporarily exceed carrying capacity before declining.

Q4. Which of the following is NOT a characteristic of an r-selected species?

  • A. High reproductive rate
  • B. Short lifespan
  • C. Large body size
  • D. Minimal parental care

Q5. What does a higher intrinsic rate of natural increase (r) indicate?

  • A. Slower population growth
  • B. Lower birth rate
  • C. Higher potential for population growth
  • D. Longer lifespan

+ 5 more questions in the actual test

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