NEET Biology: Ecology Practice Questions

14 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    Which trophic level is occupied by primary consumers in a food chain?
    Easy
  2. Q2.
    What is the primary source of energy for almost all ecosystems on Earth?
    Easy
  3. Q3.
    What is the term for the total mass of living organisms in a specific area at a given time?
    Easy
  4. Q4.
    Which of the following is an example of an abiotic component of an ecosystem?
    Easy
  5. Q5.
    Which of the following organisms acts as a decomposer in an ecosystem?
    Easy
  6. Q6.
    In a pyramid of energy, if the producers have 10,000 Joules of energy, how much energy is available to the tertiary consumers?
    Medium
  7. Q7.
    Which of the following represents the correct sequence of ecological succession on a bare rock?
    Medium
  8. Q8.
    Which gas is primarily responsible for the greenhouse effect and is currently increasing in concentration due to human activities?
    Medium
  9. Q9.
    If a population of 500 individuals increases to 600 in one year due to 150 births and 50 deaths, what is the number of individuals that migrated into the popula
    Medium
  10. Q10.
    In a hypothetical ecosystem, the net primary productivity is 2000 kcal/m2/year and the energy lost due to respiration is 1500 kcal/m2/year. What is the gross pr
    Medium
  11. Q11.
    In a trophic pyramid, if the energy transfer efficiency between trophic levels is 10 percent, how much energy in kcal will be available to the tertiary consumer
    Hard
  12. Q12.
    In a population following the exponential growth model, if the intrinsic rate of natural increase r is 0.2 per year and the initial population size N0 is 1000,
    Hard
  13. Q13.
    According to the Lotka-Volterra model for interspecific competition, if species 1 has a carrying capacity K1 of 500 and a competition coefficient alpha of 0.5,
    Hard
  14. Q14.
    If the Shannon-Wiener diversity index H for a community is 2.3 and the maximum possible diversity Hmax is 3.0, what is the evenness index E of the community?
    Hard

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Ecology — NEET Biology Practice Questions with Solutions | SolveGini