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NIOS Class 12 Biology — Practice Quiz

Practice quiz for NIOS Class 12 Biology with MCQs and answers. Chapter-wise questions to test your preparation for board exams.

Quick Summary

Chapter-wise practice questions for NIOS Class 12 Biology. MCQs with answers to test your understanding and identify weak areas before the board exam.

How to Use Practice Quizzes

  1. Attempt without notes — test yourself honestly to identify what you actually know.
  2. Review wrong answers — understand why you got it wrong. This is where real learning happens.
  3. Time yourself — practise under exam conditions to build speed and confidence.
  4. Repeat after a week — re-attempt the same quiz after a week to check retention.

Chapter-Wise Practice Questions — 9 Chapters

Preview questions from each chapter. Focus on understanding the question pattern and types asked in NIOS board exams.

1

The Kingdoms Monera, Protoctista And Fungi

45 questions
multiple choice1 marks

A student observes that certain bacteria thrive in hot springs with highly acidic conditions and low oxygen levels. These bacteria most likely belong to which group of Archaebacteria?

multiple choice1 marks

Euglena is described as a 'connecting link' between plants and animals. Which combination of features BEST justifies this description?

multiple choice1 marks

In the life cycle of Plasmodium, malaria is caused when the parasite undergoes its asexual phase in the human body. Which specific event in the human body directly causes the characteristic fever and chills of malaria?

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2

Kingdoms Plantae And Animalia

45 questions
multiple choice1 marks

Which of the following plants belongs to the family Fabaceae (Papilionaceae)?

multiple choice1 marks

In the family Malvaceae, the stamens are joined together by their filaments to form a tube. This condition is called:

multiple choice1 marks

The fruit of Poaceae (grass family) is called:

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3

Cell – Structure And Function

45 questions
multiple choice1 marks

Which of the following is present in plant cells but NOT in animal cells?

multiple choice1 marks

The movement of water molecules from a region of higher concentration to lower concentration through a semipermeable membrane is called:

multiple choice1 marks

Lysosomes are called 'suicidal bags' because they:

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Frequently Asked Questions

Where can I find NIOS Class 12 Biology Practice Quiz?

This page provides practice quiz for NIOS Class 12 Biology for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.

Biology is one of the scoring subjects in NIOS Class 12 if prepared well. Focus on understanding concepts, practising problems regularly, and revising key formulas. Most students who follow a structured study plan score above 80%.

Start by understanding the complete syllabus. Then focus on important questions from each chapter. Use revision notes for quick review before exams. Follow a study plan that covers all chapters with dedicated revision time.

Aim to solve at least 20–30 MCQs per chapter. Focus on understanding why each answer is correct. After completing all chapters, attempt full-length mock tests under timed conditions.

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9 chapters available

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