Class 11 Biology Biological Classification MCQs with Answer

Class 11 Biology MCQs on “Biological Classification” provide students with a comprehensive platform to master this crucial topic. Covering various aspects of biological classification, including the classification hierarchy, kingdom-level classification, and characteristics of different taxonomic groups, these multiple-choice questions offer thorough preparation for Class 11 Biology exams.

Our MCQs challenge students to apply their knowledge of biological classification to solve problems and analyze scenarios, fostering critical thinking and analytical skills essential for success in exams. Each MCQ is accompanied by a detailed answer explanation, enabling students to grasp the underlying concepts thoroughly.

By practicing Class 11 Biology MCQs on “Biological Classification” at Sainik School, students not only prepare effectively for their exams but also gain a deeper understanding of the principles and methods used in classifying living organisms, laying a strong foundation for their future studies and careers in biology and related fields.

Q1. Which of the following processes are involved in the reproduction of protista?

1. Cell fusion and zygote formation.
2. Spore formation and fragmentation.
3. Budding and spore formation.
4. Binary fission and fragmentation.

Q2. Binomial nomenclature was given by:

1. Huxley.
2. Ray.
3. Darwin.
4. Linnaeus.

Q3. An important criterion for modern day classification is:

1. Resemblances in Morphology.
2. Anatomical and physiological traits.
3. Breeding habits.
4. Presence or absence of notochord.

Q4. Which of the following is an indicator of air pollution?

1. Mycorrhiza.
2. Agaricus.
3. Lichens.
4. Common mushrooms.

Q5. Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To which of the
following kingdom do viruses belong to?

1. Monera.
2. Protista.
3. Fungi.
4. None of the above.

Q6. Reverse transcriptase is:

1. RNA dependent RNA polymerase.
2. DNA dependent RNA polymerase.
3. DNA dependent DNA polymerase.
4. RNA dependent DNA polymerase.

Q7. Which amongst kingdom animalia has become recently extinct?

1. Snow leopard.
2. Indian macaque.
3. Cheetah.
4. Tiger.

Q8. Potato spindle tuber disease is caused by:

1. Phycobionts.
2. Virus.
3. Bacteria.
4. Viroids.

Q9. Most of the lichens consist of:

1. Blue-green algae and Basidomycetes.
2. Blue-green algae and Ascomycetes.
3. Red algae and Ascomycetes.
4. Brown algae and Phycomycetes.

Q10. In prokaryotes, the genetic material is:

1. Linear DNA without histones.
2. Circular DNA with histones.
3. Circular DNA without histones.
4. Linear DNA with histones.

Q11. Which of the following is used in biochemical and genetic work?

1. Claviceps.
2. Aspergillus.
3. Neurospora.
4. Mucor.

Q12. Which is the correct word for relationship between algae and fungi in lichens?

1. Parasitism.
2. Symbiosis.
3. Commensals.
4. Pathogens.

Q13. A dikaryon is formed when.

1. Meiosis is arrested.
2. The two haploid cells do not fuse immediately.
3. Cytoplasm does not fuse.
4. None of the above.

Q14. All eukaryotic unicellular organisms belong to:

1. Monera.
2. Protista.
3. Fungi.
4. Bacteria.

Q15. Absorptive heterotrophic nutrition is exhibited by:

1. Algae
2. Fungi.
3. Bryophytes.
4. Pteridophytes.