NCERT/Class 12/Biology/Organism and Populations

Organism and Populations

Class 12 · Biology

28 questions16 easy9 medium3 hard

Sample Questions

Q1.Density-independent factors include:

  • APredation
  • BCompetition
  • CWeather and natural disasters
  • DDisease

Q2.Logistic growth results in:

  • AJ-shaped curve
  • BS-shaped curve
  • CLinear growth
  • DDecline

Q3.Biotic potential is:

  • ARealized growth rate
  • BMaximum growth rate under ideal conditions
  • CPopulation decline
  • DResource availability

Q4.Parasitism is:

  • ARelationship between equals
  • BPredator-prey relationship
  • CHost harmed, parasite benefits
  • DBoth species benefit

Q5.A population pyramid with broad base and narrow apex indicates:

  • ADeclining population
  • BStable population
  • CRapidly growing population
  • DExtinct population

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
Create a test to practice all 28 questions →

Concepts Covered

Age structureBiotic potentialCarrying capacityDensity-dependent factorsDensity-independent factorsGrowth modelsPopulationPopulation regulation

Ready to practice?

Create a timed test from 28 questions in Organism and Populations. Pick your difficulty, get instant scores.

Start Practice Test