Assertion Reason Questions for Class 12 Biology

Here you will find assertion reason questions for class 12 biology. Chapter wise links are given below.

Class 12 Biology Chapter List

Assertion Reason Questions for Biology Chapter 27 Principles of Inheritance and Variation
Assertion Reason Questions for Biology Chapter 26 Reproductive Health
Assertion Reason Questions for Biology Chapter 25 Human Reproduction
Assertion Reason Questions for Biology Chapter 24 Sexual Reproduction in Flowering Plants
Assertion Reason Questions for Biology Chapter 23 Reproduction in Organisms
Assertion Reason Questions for Biology Chapter 28 Molecular Basis of Inheritance
Assertion Reason Questions for Biology Chapter 29 Evolution
Assertion Reason Questions for Biology Chapter 30 Human Health and Disease
Assertion Reason Questions for Biology Chapter 31 Strategies for Enhancement in Food Production
Assertion Reason Questions for Biology Chapter 32 Microbes in Human Welfare
Assertion Reason Questions for Biology Chapter 33 Biotechnology- Principles and Processes
Assertion Reason Questions for Biology Chapter 34 Biotechnology and its Applications
Assertion Reason Questions for Biology Chapter 35 Organisms and Populations

Assertion Reason Questions for Class 12 Biology

Assertion-Reason questions are a type of objective test commonly used in exams, including in Class 12 Biology. In these questions, you are typically presented with two statements: an assertion and a reason. Your task is to evaluate whether both statements are true and whether the reason explains or justifies the assertion. Each statement is usually marked as “A” for assertion and “R” for reason.

Here’s a breakdown of how Assertion-Reason questions work:

  1. Assertion (A): This is a statement that makes a factual claim about a biological concept or phenomenon.
  2. Reason (R): This is a statement that provides a justification or explanation for the assertion. It should provide a logical connection between the assertion and the reason.

You are given multiple options for how to evaluate the relationship between the assertion and reason:

A. If both the assertion (A) and reason (R) are true, and the reason (R) explains or justifies the assertion (A), then you would choose option (A).

B. If both the assertion (A) and reason (R) are true, but the reason (R) does not correctly explain or justify the assertion (A), then you would choose option (B).

C. If the assertion (A) is true, but the reason (R) is false, then you would choose option (C).

D. If both the assertion (A) and reason (R) are false, then you would choose option (D).

Assertion-Reason questions are designed to test your understanding of the subject matter, as well as your ability to apply logical reasoning to scientific concepts. They often require a deep understanding of the topic being tested.

For Class 12 Biology, these questions could cover a wide range of topics. It’s essential to study the subject thoroughly and practice answering Assertion-Reason questions to improve your performance in exams.

(1) CBSE BOOKS

Exam Special Series:

CBSE Class 10 Books – Download
CBSE Class 12 Books – Download

(2) ICSE BOOKS

ICSE Class 10 Books – Download

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