NCERT Class 12 Biology Chapter 4 Principles of Inheritance and Variation Test Mock Test
This free online test covers Chapter 4, Principles of Inheritance and Variation, from the NCERT Class 12 Biology textbook. The 30 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
30 mins
Questions
30 MCQs
Total Marks
30 pts
Negative
0 per wrong
Topics Covered in This Paper
Sample Questions
Q1.For how many years did Gregor Mendel conduct his hybridisation experiments on garden peas, and in which period?
- ASeven years, from 1856 to 1863
- BFourteen years, from 1856 to 1870
- CSeven years, from 1865 to 1872
- DTwo years, from 1900 to 1902
Q2.What is a true-breeding line, as the term is used for Mendel's pea varieties?
- AOne that, having undergone continuous self-pollination, shows stable trait inheritance and expression over several generations
- BOne produced by crossing two varieties that differ in a single character
- COne in which every individual is heterozygous for the character studied
- DOne that shows blending of contrasting traits in the first generation
Q3.Which of the following is a pair of contrasting traits Mendel studied in pea?
- AStem height, either tall or medium
- BPod colour, either green or white
- CFlower colour, either violet or pink
- DFlower position, either axial or terminal
Before you begin
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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.
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FAQ
Frequently asked questions
Frequently Asked Questions
- How many questions are in the NCERT Class 12 Biology Chapter 4 Principles of Inheritance and Variation Test mock test?
- This paper has 30 multiple-choice questions carrying 30 marks in total, to be attempted in 30 minutes.
- Is the NCERT Class 12 Biology Chapter 4 Principles of Inheritance and Variation 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.