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Biology MCQs for School and Competitive Exams

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Chapter-wise Biology MCQs and Resources

Biology is a subject that helps us understand life in all its forms. Answering multiple-choice questions (MCQs) is a great way to assess your knowledge, identify areas of improvement, and excel in examinations. Whether you are preparing for class tests, board exams, or competitive entrance exams, practising MCQs can improve your confidence and help you grasp key concepts effectively. We strive to cover a broad range of topics so that you can find everything you need in one place.


Below is an extensive list of topics for Biology MCQs. Each link covers essential concepts, offers relevant multiple-choice questions, and provides in-depth explanations wherever needed:



All these chapters and units are carefully curated, ensuring coverage of fundamental topics that frequently appear in board exams and competitive tests. Alongside these, we provide detailed analyses, practise exercises, and references to help you deepen your understanding.


Additional Resources to Improve Your Preparation

  1. Practise Quizzes and Sample Questions
    Regular quizzes help you gauge your progress. Here is a quick sample quiz covering a few basic Biology concepts:


Sample Quiz

  • Which organelle is known as the ‘powerhouse of the cell’?
    A. Golgi apparatus
    B. Nucleus
    C. Mitochondria
    D. Ribosome
    Answer: C. Mitochondria
    Explanation: Mitochondria generate ATP, the energy currency of the cell.


  • Which among the following is not a greenhouse gas?
    A. Carbon dioxide
    B. Methane
    C. Water vapour
    D. Hydrogen gas
    Answer: D. Hydrogen gas
    Explanation: Hydrogen gas does not trap heat in the atmosphere like CO2, CH4, and H2O vapour do.


  • Which process refers to the loss of water vapour from the aerial parts of plants?
    A. Transpiration
    B. Photosynthesis
    C. Respiration
    D. Excretion
    Answer: A. Transpiration
    Explanation: Transpiration primarily occurs through the stomata in leaves.


  1. Attempting such questions regularly will help you work towards 100 biology questions and answers, ensuring thorough revision and practice.


  1. Simple Mnemonic to Remember Taxonomy Levels
    One commonly used mnemonic for the hierarchical classification (Kingdom, Phylum, Class, Order, Family, Genus, Species) is:


“King Philip Came Over For Great Soup.”

  • King → Kingdom

  • Philip → Phylum

  • Came → Class

  • Over → Order

  • For → Family

  • Great → Genus

  • Soup → Species


  1. Using such memory aids can make complex Biology concepts easier to recall during exams.


  1. Tips for Effective MCQ Practice

    • Read the question carefully and understand what is being asked.

    • Eliminate wrong options.

    • Review your textbook or class notes for detailed explanations of each concept.

    • Practise NEET biology MCQ chapter-wise if you are preparing for NEET or similar entrance tests.

    • Look for NEET biology MCQ with answers to identify where you make mistakes and rectify them immediately.

FAQs on Biology MCQs for School and Competitive Exams

1. Why should I practise Biology MCQs?

Practising Biology MCQs helps you quickly assess your knowledge, identify areas of improvement, and reinforce essential concepts. It is also an efficient way to get accustomed to exam patterns and time management.

2. Are these MCQs suitable for different boards and competitive exams?

Yes, the MCQs provided here can be used by students across various boards. They also cater to popular competitive exams such as NEET, where multiple-choice questions are a key evaluation method.

3. How can I find detailed solutions for the MCQs?

Many of our MCQs come with short explanations and answer keys. For more detailed step-by-step solutions, you can refer to relevant theory sections or textbooks or seek guidance through our online learning sessions.

4. What are some effective ways to learn Biology apart from MCQs?

You can create summary notes, use diagrams and flowcharts, employ mnemonics for complex lists, and engage in group discussions. Regular revision and solving previous exam papers also help in the long-term retention of information.

5. How do I tackle challenging Biology topics?

Start by understanding basic terminology. Break down complex processes into smaller steps. Consult reliable resources, watch interactive videos, and practise questions regularly to build a strong conceptual foundation.