MOCK • NCERT Class 12Medium

NCERT Class 12 Biology Chapter 11 Organisms and Populations Test Mock Test

This free online test covers Chapter 11, Organisms and Populations, from the NCERT Class 12 Biology textbook. The 36 questions are written directly from the chapter — definitions, processes, worked examples and the points the book italicises — so a score here tells you how much of the chapter actually stuck, not how well you guess. Each answer carries an explanation that says why the right option is right and why the other three fail, which is where most of the learning happens. Attempt it after your first read of the chapter, then again before the exam. There is no negative marking, and you can review the full solution the moment you submit.

Duration

36 mins

Questions

36 MCQs

Total Marks

36 pts

Negative

0 per wrong

Topics Covered in This Paper

Biology
36 Qs100%

Sample Questions

Q1.Ecology is described as being basically concerned with four levels of biological organisation, namely:

  • AProducers, consumers, decomposers and detritivores
  • BGenes, chromosomes, individuals and species
  • CMacromolecules, cells, tissues and organs
  • DOrganisms, populations, communities and biomes

Q2.A population is defined as a group of individuals of a species that:

  • ABelong to different species but occupy the same habitat
  • BHave identical genotypes because they arose by asexual reproduction
  • CAre isolated single individuals scattered over a wide range
  • DLive in a well defined geographical area, share or compete for similar resources and potentially interbreed

Q3.Which of these is an attribute of a population rather than of an individual organism?

  • AAge
  • BDeath
  • CBirth
  • DSex ratio

Before you begin

6 quick notes

The test will auto-submit when the timer runs out.

Each correct answer carries +1 marks.

Each wrong answer carries -0 marks.

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Disclaimer: The questions provided here are extracted and digitized from previous year papers using automated processes. They may contain typographical errors, formatting issues, or minor variations from the actual examination paper. While we have done our best to verify the accuracy of the official answer keys, discrepancies may occasionally exist. Please refer to the official commission website for the most authentic paper.

Timer starts immediately and keeps running even if you close the tab. Make sure you have 36 uninterrupted minutes.

FAQ

Frequently asked questions

Frequently Asked Questions

How many questions are in the NCERT Class 12 Biology Chapter 11 Organisms and Populations Test mock test?
This paper has 36 multiple-choice questions carrying 36 marks in total, to be attempted in 36 minutes.
Is the NCERT Class 12 Biology Chapter 11 Organisms and Populations Test mock test free to attempt?
Yes. You can attempt the full paper online for free on AI Test Planet, and see your score and correct answers immediately after submitting.
Does this paper have negative marking?
No, there is no negative marking on this paper, so an attempted guess costs you nothing.
Are solutions and explanations available?
Yes. After you submit, every question shows the correct answer with a step-by-step explanation, along with a topic-wise breakdown of your performance.