Aspiring NEET candidates must have a solid understanding of Biological Classification mcq, a fundamental topic in Botany and Zoology. To help you excel in your exam, we have compiled a comprehensive set of MCQs covering all aspects of biological classification.
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Let’s test your knowledge with high-quality MCQs, along with detailed answers and explanations.
Multiple Choice Questions (MCQs) on Biological Classification
1. Introduction to Biological Classification
Q1. Who is known as the father of taxonomy?
a) Aristotle
b) Linnaeus
c) Darwin
d) Lamarck
✅ Answer: b) Linnaeus
Explanation: Carl Linnaeus developed the binomial nomenclature system, which is still used today for naming organisms scientifically.
Q2. The system of naming organisms using two Latin words is called:
a) Phylogenetic classification
b) Binomial nomenclature
c) Trinomial nomenclature
d) Cladistics
✅ Answer: b) Binomial nomenclature
Explanation: Binomial nomenclature consists of Genus and Species names, e.g., Homo sapiens.
2. Two Kingdom vs. Five Kingdom Classification
Q3. Which scientist proposed the two-kingdom classification system?
a) Whittaker
b) Linnaeus
c) Aristotle
d) Haeckel
✅ Answer: b) Linnaeus
Explanation: Linnaeus divided organisms into Plantae and Animalia but failed to classify fungi and prokaryotes properly.
Q4. Which is NOT a kingdom in Whittaker’s five-kingdom classification?
a) Monera
b) Protista
c) Plantae
d) Virus
✅ Answer: d) Virus
Explanation: Viruses are acellular and do not belong to any kingdom in Whittaker’s system.
3. Kingdom Monera (Bacteria)
Q5. Bacteria are classified under which kingdom?
a) Protista
b) Monera
c) Plantae
d) Fungi
✅ Answer: b) Monera
Explanation: Monera includes prokaryotic organisms like bacteria that lack a nucleus and membrane-bound organelles.
Q6. Which of the following is a characteristic of Archaebacteria?
a) Presence of a nuclear membrane
b) Cell wall lacking peptidoglycan
c) Reproduction by mitosis
d) Photosynthesis using chlorophyll
✅ Answer: b) Cell wall lacking peptidoglycan
Explanation: Archaebacteria have pseudopeptidoglycan in their cell walls, making them distinct from Eubacteria.
4. Kingdom Protista
Q7. Which of the following organisms belongs to Protista?
a) Amoeba
b) Cyanobacteria
c) Rhizopus
d) Pinus
✅ Answer: a) Amoeba
Explanation: Protists are unicellular eukaryotic organisms that can be autotrophic or heterotrophic.
Q8. The red tide phenomenon is caused by:
a) Amoeba
b) Dinoflagellates
c) Diatoms
d) Cyanobacteria
✅ Answer: b) Dinoflagellates
Explanation: Red tides occur due to excessive growth of dinoflagellates, releasing toxins harmful to marine life.
5. Kingdom Fungi
Q9. Fungi are primarily:
a) Autotrophic
b) Heterotrophic
c) Parasitic only
d) Saprophytic only
✅ Answer: b) Heterotrophic
Explanation: Fungi absorb nutrients from dead or living organisms, acting as decomposers or parasites.
Q10. The cell walls of fungi are composed of:
a) Cellulose
b) Peptidoglycan
c) Chitin
d) Lignin
✅ Answer: c) Chitin
Explanation: Unlike plant cell walls made of cellulose, fungal cell walls contain chitin, which provides rigidity.
6. Kingdom Plantae
Q11. Which of the following is NOT a characteristic of Plantae?
a) Multicellular
b) Cellulose in the cell wall
c) Autotrophic
d) Absence of chlorophyll
✅ Answer: d) Absence of chlorophyll
Explanation: Plants contain chlorophyll for photosynthesis, enabling them to produce their food.
Q12. Gymnosperms differ from angiosperms by:
a) Producing seeds inside fruits
b) Lacking vascular tissue
c) Having naked seeds
d) Undergoing vegetative propagation
✅ Answer: c) Having naked seeds
Explanation: Gymnosperms have exposed seeds rather than enclosed within fruits, as seen in angiosperms.
7. Kingdom Animalia
Q13. Animals differ from fungi by:
a) Being heterotrophic
b) Having a cell wall
c) Being multicellular
d) Having nervous and muscular systems
✅ Answer: d) Having nervous and muscular systems
Explanation: Animals exhibit locomotion and responsiveness due to well-developed muscular and nervous systems.
Q14. Which of the following is NOT a characteristic of animals?
a) Absence of cell wall
b) Heterotrophic mode of nutrition
c) Presence of chlorophyll
d) Multicellular organization
✅ Answer: c) Presence of chlorophyll
Explanation: Unlike plants, animals cannot perform photosynthesis due to the absence of chlorophyll.
8. Viruses – Living or Non-living?
Q15. Viruses are considered living because:
a) They have a cellular structure
b) They can reproduce inside a host
c) They perform metabolic activities
d) They grow by mitosis
✅ Answer: b) They can reproduce inside a host
Explanation: Viruses exhibit life-like characteristics only inside a host cell, where they hijack cellular machinery for replication.
Q16. The genetic material in a retrovirus is:
a) DNA
b) RNA
c) Both DNA and RNA
d) None of the above
✅ Answer: b) RNA
Explanation: Retroviruses, such as HIV, contain RNA and use reverse transcriptase to synthesize DNA inside the host.
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Conclusion
Mastering Biological Classification is crucial for excelling in NEET Biology. Regularly practicing Biological classification MCQ will enhance your conceptual clarity and problem-solving skills.
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FAQs
1. Why is biological classification important in NEET?
It helps in understanding the evolutionary relationships among organisms and is a frequently tested topic in NEET Biology.
2. What is the best way to remember biological classification?
Use mnemonics, flowcharts, and practice MCQs regularly to reinforce your understanding.
3. Are viruses included in biological classification?
No, viruses are acellular and do not fit into any kingdom in Whittaker’s five-kingdom classification.
4. How many questions come from biological classification in NEET?
On average, 3-4 questions appear from this topic in the NEET exam every year.
5. Where can I practice more MCQs for NEET?
You can explore more NEET-focused MCQs at NEET World for comprehensive practice!
