MCQ Biology Chapter 8: CELL: THE UNIT OF LIFE, HS 1st year

 

1. Who first discovered the nucleus in a cell?
   a) Anton Von Leeuwenhoek
   b) Robert Brown ✅
   c) Matthias Schleiden
   d) Theodor Schwann

2. Which of the following statements is NOT a part of the modern cell theory?
   a) All living organisms are composed of cells.
   b) All cells arise from pre-existing cells.
   c) The cell is the basic structural and functional unit of life.
   d) All cells contain a cell wall. ✅

3. Which organelle is known as the "powerhouse" of the cell?
   a) Golgi apparatus
   b) Nucleus
   c) Mitochondrion ✅
   d) Lysosome

4. What type of ribosomes are found in prokaryotic cells?
   a) 70S ✅
   b) 80S
   c) 60S
   d) 50S

5. What is the function of the mesosome in prokaryotic cells?
   a) Protein synthesis
   b) Cell wall formation and DNA replication ✅
   c) Photosynthesis
   d) Active transport

6. Which of the following organelles is double membrane-bound?
   a) Lysosome
   b) Ribosome
   c) Mitochondrion ✅
   d) Golgi apparatus

7. Which of the following structures is NOT found in prokaryotic cells?
   a) Ribosomes
   b) Nucleoid
   c) Golgi apparatus ✅
   d) Plasmid

8. What is the key structural difference between plant and animal cells?
   a) Presence of a nucleus
   b) Presence of a cell wall ✅
   c) Presence of mitochondria
   d) Presence of ribosomes

9. Which scientist first proposed the concept of the cell theory?
   a) Robert Hooke
   b) Matthias Schleiden ✅
   c) Anton Von Leeuwenhoek
   d) Rudolf Virchow

10. Which of the following is a primary function of the Golgi apparatus?
    a) ATP production
    b) Protein synthesis
    c) Packaging and modifying proteins and lipids ✅
    d) DNA replication

11. Which scientist is credited with explaining that all cells arise from pre-existing cells (Omnis cellula e cellula)?
    a) Matthias Schleiden
    b) Rudolf Virchow ✅
    c) Robert Brown
    d) Theodor Schwann

12. What is the role of the endoplasmic reticulum in cells?
    a) Energy production
    b) Transport and synthesis of proteins and lipids ✅
    c) DNA replication
    d) Cell division

13. What is the basic structural difference between eukaryotic and prokaryotic cells?
    a) Eukaryotic cells lack ribosomes.
    b) Prokaryotic cells have a membrane-bound nucleus.
    c) Eukaryotic cells have membrane-bound organelles. ✅
    d) Prokaryotic cells contain mitochondria.

14. Which of the following types of plastids store starch?
    a) Chromoplasts
    b) Amyloplasts ✅
    c) Chloroplasts
    d) Elaioplasts

15. Which organelle is primarily involved in photosynthesis?
    a) Chloroplast ✅
    b) Mitochondrion
    c) Golgi apparatus
    d) Ribosome

16. What type of chromosome has a centromere located at the very end?
    a) Metacentric
    b) Sub-metacentric
    c) Telocentric ✅
    d) Acrocentric

17. Which of the following is NOT a function of the cell membrane?
    a) Selective transport of molecules
    b) Structural support to prevent bursting ✅
    c) Cell signaling
    d) Maintaining the cell’s internal environment

18. What are the ribosome sizes found in eukaryotic cells?
    a) 50S
    b) 60S and 40S ✅
    c) 70S
    d) 30S and 50S

19. What is the primary role of lysosomes?
    a) Protein synthesis
    b) Digestion of macromolecules ✅
    c) DNA synthesis
    d) Lipid synthesis

20. Which structural feature is unique to bacterial cells?
    a) Plasma membrane
    b) Nucleus
    c) Plasmid ✅
    d) Ribosomes

MCQs for NEET, JEE, IIT, NIT, CUET, CTET, and SSC Entrance Exams: Your Ultimate Preparation Guide

Are you preparing for competitive exams like NEET, JEE, IIT, NIT, CUET, CTET, or SSC? Multiple Choice Questions (MCQs) are a proven way to enhance your preparation strategy. These MCQs are designed to strengthen your concepts, boost problem-solving skills, and improve time management—key elements to ace any entrance exam.

Why MCQs Are Essential for Competitive Exams?

1. Concept Clarity: MCQs cover important topics, ensuring a deep understanding of fundamental concepts.
2. Time Management: Practicing MCQs improves speed and accuracy, essential for high-stakes exams.
3. Exam Pattern Familiarity: MCQs simulate the real exam pattern, helping you feel confident on the big day.

Benefits of Using These MCQs for NEET, JEE, IIT, and More

• Targeted Preparation: Specially curated MCQs focus on the specific syllabus of exams like NEET, JEE, and CUET, making your study focused and efficient.
• Wide Subject Coverage: Includes questions from Physics, Chemistry, Mathematics, Biology, and more.
• Boosts Competitive Edge: High-quality MCQs ensure you're ready to tackle even the trickiest questions.

Exams These MCQs Help With:

• NEET: For aspiring medical students.
• JEE & IIT: For engineering and technical aspirants.
• NIT Admissions: A stepping stone to prestigious National Institutes of Technology.
• CUET: Common University Entrance Test for undergraduate programs.
• CTET: A mandatory test for teachers.
• SSC: Government job aspirants preparing for SSC exams.

Pro Tips to Use MCQs Effectively:

1. Regular Practice: Dedicate time daily to solve topic-wise MCQs.
2. Review and Revise: Go through solutions and explanations to understand your mistakes.
3. Mock Tests: Attempt full-length MCQ tests to build exam stamina.

Get Started Now!

Our extensive MCQ collections are tailored to help you succeed in NEET, JEE, IIT, NIT, CUET, CTET, and SSC. Start practicing today and take a step closer to your dream career. Bookmark this page and share it with fellow aspirants.

Tags:

MCQs for NEET, JEE MCQs, IIT preparation, CUET questions, CTET practice, SSC MCQs, competitive exam tips, entrance exam success.

Make your preparation smarter, not harder. Let these MCQs guide your way to success!