CBSE Class 11 Biology Chapter MCQs: A Path to Mastery

CBSE Class 11 Biology Chapter MCQs: A Path to Mastery

In your Class 11 Biology studies, the Central Board of Secondary Education (CBSE) has meticulously curated a series of chapters that form the foundation of biological concepts. This article delves into the Multiple Choice Questions (MCQs) related to these chapters, which can help you test your understanding, identify areas for improvement, and ultimately excel in your CBSE Class 11 Biology examinations.

Chapter 1: Biology and Human Welfare

1. Which of the following is a goal of Biology and Human Welfare? a. To improve agricultural productivity b. To promote sustainable development c. To enhance human health and well-being d. To explore new sources of energy

2. Which of the following is not a part of Biology and Human Welfare? a. Population dynamics b. Agricultural biotechnology c. Environmental conservation d. Biomedical research

Chapter 2: Structure and Function of Living Organisms

3. The outermost layer of the cell membrane is composed of what? a. Nucleic acids b. Proteins c. Carbohydrates d. Lipids

4. The function of the ribosome is: a. To facilitate DNA replication b. To maintain cellular structure c. To synthesize proteins d. To regulate gene expression

Chapter 3: Cellular Organelles and Their Functions

5. Which cellular organelle is specifically involved in breaking down food molecules? a. Endoplasmic reticulum b. Golgi apparatus c. Lysosome d. Mitochondria

6. Which cellular organelle is the site of protein synthesis? a. Nucleus b. Lysosome c. Mitochondria d. Golgi apparatus

Chapter 4: Cell Division

7. Mitosis is a type of cell division that leads to: a. Increase in genetic material b. Increase in cell number c. Formation of new species d. Transfer of genetic material between cells

8. Meiosis is a type of cell division that results in: a. Increase in genetic material b. Increase in cell number c. Formation of new species d. Transfer of genetic material between cells

Chapter 5: Genetics and Evolution

9. The sequence of nucleotides in DNA, which encodes genes, is called: a. Codon b. Gene c. Protein d. Chromosome

10. The process by which a species evolves to better adapt to its environment is called: a. Mutation b. Natural selection c. Genetic drift d. Gene expression

Chapter 6: Carbohydrates

11. Which of the following carbohydrates is a monosaccharide? a. Glucose b. Starch c. Ribose d. Maltose

12. Which of the following carbohydrates is a disaccharide? a. Glucose b. Starch c. Ribose d. Maltose

Chapter 7: Proteins and Enzymes

13. A polypeptide chain is formed by: a. Amino acids b. Nucleotides c. Carbohydrates d. Lipids

14. The specific function of an enzyme depends on: a. Its shape b. Its size c. Its origin d. Its color

Chapter 8: Classification of Organisms

15. The classification of organisms is based on: a. Their habitat b. Their physical features c. Their genetic makeup d. Their social behavior

16. The domains of life include: a. Animals b. Plants c. Fungi d. Bacteria

Chapter 9: Cellular Respiration

17. During cellular respiration, which molecule is broken down to release energy? a. Glucose b. Protein c. Lipids d. DNA

18. Which stage of cellular respiration releases the most energy? a. Glycolysis b. Citric acid cycle c. Electron transport chain d. Fermentation

Chapter 10: Transportation in Living Organisms

19. The transport of water across the cell membrane is called: a. Osmosis b. Diffusion c. Facilitated diffusion d. Active transport

20. The primary function of the circulatory system is to: a. Maintain body temperature b. Transport nutrients and oxygen c. Remove waste products d. Regulate blood pressure

The questions above are merely a sampling of the MCQs that can be found throughout the CBSE Class 11 Biology curriculum. Studying MCQs can help you become familiar with the material, develop a strong understanding of the subject, and identify areas where you might need to reinforce your knowledge. Remember that these questions are not exhaustive, and you should consult the official CBSE textbooks and resources for the most comprehensive and accurate information.

Test your knowledge and understanding of key Biology concepts in CBSE Class 11 with these Multiple Choice Questions (MCQs) from chapters like Biology and Human Welfare, Cellular Organelles, Genetics and more. These questions are designed to help you assess your learning, identify areas for improvement, and excel in your exams.