Last Updated on June 5, 2025 by XAM CONTENT
To succeed in Class 11 Biology exams, a strong grasp of Chapter 2 – Biological Classification is essential. Our comprehensive collection of chapterwise MCQ questions with answers for Class 11 Biology is designed according to the latest syllabus and exam guidelines, ensuring targeted preparation and better performance. It is a part of MCQ Questions for CBSE Class 11 Biology Series.
These multiple-choice questions will help you assess your knowledge, improve accuracy, and boost confidence for your exams. Whether you are preparing for school tests, online tests or competitive exams, these Biological Classification MCQs will strengthen your conceptual clarity.
| Chapter | Biological Classification |
| Book | Biology for Class 11 |
| Type of Questions | MCQ Questions |
| Nature of Questions | Competency Based Questions |
| Board | CBSE |
| Class | 11 |
| Subject | Biology |
| Useful for | Class 11 Studying Students |
| Answers provided | Yes |
| Difficulty level | Mentioned |
| Important Link | Class 11 Biology Chapterwise MCQ Questions |
MCQ Questions on Biological Classification Class 11 Biology (PDF Download)
MCQs
Q1. The concept of species as a group of organisms capable of interbreeding was given by:
(a) Charles Darwin
(b) Ernst Mayr
(c) Carolus Linnaeus
(d) Hugo de Vries
Show Answer
Answer: (b)
Explanation: Ernst Mayr emphasized reproductive isolation as the basis of species classification.
Q2. Phylogenetic classification is based on:
(a) Morphological traits
(b) Evolutionary relationships
(c) Habitat similarities
(d) Number of chromosomes
Show Answer
Answer: (b)
Explanation: Phylogenetic classification considers the evolutionary history and ancestral relationships.
Q3. Which one of the following is a correct match for Kingdom Monera?
(a) Multicellular, eukaryotic
(b) Unicellular, prokaryotic
(c) Multicellular, autotrophic
(d) Unicellular, eukaryotic
Show Answer
Answer: (b)
Explanation: Monera includes unicellular prokaryotes like bacteria and cyanobacteria.
Q4. Whittaker’s five-kingdom classification is based on all, except:
(a) Cell structure
(b) Mode of reproduction
(c) Molecular phylogeny
(d) Mode of nutrition
Show Answer
Answer: (c)
Explanation: Molecular phylogeny was not part of Whittaker’s original criteria.
Q5. Which kingdom includes both autotrophic and heterotrophic organisms with cell walls but no chlorophyll?
(a) Plantae
(b) Protista
(c) Monera
(d) Fungi
Show Answer
Answer: (d)
Explanation: Fungi have cell walls but are heterotrophic and lack chlorophyll.
Q6. Which kingdom includes diatoms, euglenoids, and protozoans?
(a) Monera
(b) Protista
(c) Fungi
(d) Plantae
Show Answer
Answer: (b)
Explanation: Kingdom Protista includes unicellular eukaryotes like diatoms, protozoans, and euglenoids.
Q7. The presence of peptidoglycan is a characteristic feature of:
(a) Fungi
(b) Archaebacteria
(c) Bacteria
(d) Protists
Show Answer
Answer: (c)
Explanation: Bacterial cell walls are made of peptidoglycan, unlike other kingdoms.
Q8. Select the odd one out:
(a) Amoeba
(b) Euglena
(c) Paramecium
(d) Saccharomyces
Show Answer
Answer: (d)
Explanation: Saccharomyces is a fungus, others are Protists.
Q9. The main basis of classification in fungi is:
(a) Cell wall composition
(b) Habitat
(c) Reproductive structures
(d) Type of food stored
Show Answer
Answer: (c)
Explanation: Reproductive structures are the primary criterion for classification in fungi.
Q10. Which one of the following statements about Monera is false?
(a) Monerans are unicellular
(b) They lack membrane-bound organelles
(c) All are autotrophic
(d) They reproduce asexually
Show Answer
Answer: (c)
Explanation: Monerans can be autotrophic or heterotrophic; not all are autotrophic.
Q11. Which group of fungi is known for symbiotic association in lichens?
(a) Zygomycetes
(b) Ascomycetes
(c) Basidiomycetes
(d) Deuteromycetes
Show Answer
Answer: (b)
Explanation: Ascomycetes often form symbiotic relationships with algae in lichens.
Q12. Which of the following is NOT a characteristic of viruses?
(a) Contain genetic material
(b) Show respiration
(c) Obligate parasite
(d) Do not have cellular structure
Show Answer
Answer: (b)
Explanation: Viruses do not perform respiration; they are metabolically inert outside host cells.
Q13. Which kingdom has organisms with chitin in their cell walls?
(a) Protista
(b) Fungi
(c) Monera
(d) Plantae
Show Answer
Answer: (b)
Explanation: Chitin is found in fungal cell walls, not in other kingdoms.
Q14. Which of the following Protists is photosynthetic and also heterotrophic?
(a) Euglena
(b) Amoeba
(c) Plasmodium
(d) Paramecium
Show Answer
Answer: (a)
Explanation: Euglena is mixotrophic—photosynthesizes and ingests food.
Q15. Which of the following shows true alternation of generation?
(a) Bacteria
(b) Fungi
(c) Bryophytes
(d) Cyanobacteria
Show Answer
Answer: (c)
Explanation: Bryophytes show distinct gametophyte and sporophyte phases.
Q16. Deuteromycetes are called imperfect fungi because:
(a) They are non-pathogenic
(b) Only sexual stage is known
(c) Only asexual stage is known
(d) They are prokaryotic
Show Answer
Answer: (c)
Explanation: Deuteromycetes lack a known sexual stage.
Q17. Archaebacteria differ from true bacteria in:
(a) Cell wall structure
(b) Absence of nucleus
(c) Presence of peptidoglycan
(d) Reproduction process
Show Answer
Answer: (a)
Explanation: Archaebacterial cell walls lack peptidoglycan and have unique lipids.
Q18. Mycorrhiza is a symbiotic association between:
(a) Algae and fungus
(b) Fungi and plant roots
(c) Bacteria and roots
(d) Algae and bacteria
Show Answer
Answer: (b)
Explanation: Mycorrhiza involves fungal hyphae and plant roots.
Q19. In Whittaker’s classification, unicellular eukaryotic organisms belong to:
(a) Monera
(b) Protista
(c) Fungi
(d) Plantae
Show Answer
Answer: (b)
Explanation: Protista includes unicellular eukaryotes like protozoa and algae.
Q20. Slime moulds differ from fungi in:
(a) Reproduction
(b) Pigmentation
(c) Cell wall structure
(d) Mode of nutrition
Show Answer
Answer: (c)
Explanation: Slime moulds lack a typical fungal cell wall during vegetative phase.
We hope the given mcq questions with Answers for Biological Classification Class 11 helps you in your learning.
Also check
- Cell Cycle and Cell Division – Class 11 Biology Chapter 10 MCQ Questions with Answers (Updated)
- Biomolecules – Class 11 Biology Chapter 9 MCQ Questions with Answers (Updated)
- Cell – The Unit of Life – Class 11 Biology Chapter 8 MCQ Questions with Answers (Updated)
- Structural Organisation in Animals – Class 11 Biology Chapter 7 MCQ Questions with Answers (Updated)
- Anatomy of Flowering Plants – Class 11 Biology Chapter 6 MCQ Questions with Answers (Updated)
- Morphology of Flowering Plants – Class 11 Biology Chapter 5 MCQ Questions with Answers (Updated)
- Animal Kingdom – Class 11 Biology Chapter 4 MCQ Questions with Answers (Updated)
- Plant Kingdom – Class 11 Biology Chapter 3 MCQ Questions with Answers (Updated)
- Biological Classification – Class 11 Biology Chapter 2 MCQ Questions with Answers (Updated)
- The Living World – Class 11 Biology Chapter 1 MCQ Questions with Answers (Updated)
🚀 Boost Your Exam Prep: Get MCQ Questions for all subjects (Class 6-12) now!
👉 Explore more resources on CBSE Class 11
Topics from which mcq questions may be asked
- Five kingdom classification
- Viruses and monera
- Protista and fungi
Understanding microbes and protists gives insights into the origins of complex life.
Frequently Asked Questions (FAQs) on Biological Classification MCQ Questions
Q1: What is the best way to prepare for Class 11 Biology MCQ questions?
A1: The best way is to study NCERT concepts thoroughly, practice topicwise MCQs regularly. Solving previous year MCQs and mock tests can boost accuracy and speed.
Q2: Are NCERT questions enough for Class 11 Biology MCQ-based exams?
A2: NCERT forms the base for all CBSE Physics MCQs. However, for better preparation, students should solve additional MCQs from reference books and practice HOTS and competency-based questions to develop better understanding.
Q3: Where can I find chapterwise Class 11 Biology MCQ questions with answers?
A3: You can find chapterwise MCQ questions with answers and detailed explanations on trusted educational platforms like xamcontent.com and physicsgurukul.com. These cover both basic and advanced-level questions.
Q4: Do CBSE Class 11 exams include MCQs?
A4: Yes, as per the latest CBSE exam pattern, objective questions, including MCQs, are part of the final exam paper. MCQs test conceptual understanding and application skills.
Q5: How to score high in Class 11 Biology MCQs?
A5: To score high, understand the theory from NCERT, solve a variety of MCQs (basic and conceptual), and regularly revise theory. Avoid guesswork and focus on time management during tests.
