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CBSE
Class 11
Biology
Biology
Biological Classification

Question Bank

Practice Hub

Question Bank: Biological Classification

This chapter explores the scientific classification of living organisms, emphasizing the historical development and importance of various classification systems.

Structured practice
Question Practice

Practice chapter questions in a cleaner, exam-ready flow

Start with curated question sets, move into full module views when needed, and keep discovering related practice without losing your place in the chapter.

Question Bank - Biological Classification

View all (92)
Q1.

Which of the following organisms is classified under Kingdom Monera?

Single Answer MCQ
Q-00055292
View explanation
Q2.

What key feature differentiates Monera from the other biological kingdoms?

Single Answer MCQ
Q-00055293
View explanation
Q3.

Which of the following statements is accurate about bacteria in Kingdom Monera?

Single Answer MCQ
Q-00055294
View explanation
Q4.

The shape of bacteria can be classified into several categories. Which of the following is NOT one of them?

Single Answer MCQ
Q-00055295
View explanation
Q5.

What is the major component of the cell wall in bacteria?

Single Answer MCQ
Q-00055296
View explanation
Q6.

Which reproductive strategy is most common among bacteria?

Single Answer MCQ
Q-00055297
View explanation
Q7.

Regarding metabolic diversity, bacteria can be categorized as autotrophic or heterotrophic. Which statement is true?

Single Answer MCQ
Q-00055298
View explanation
Q8.

Which type of bacteria have a spiral shape?

Single Answer MCQ
Q-00055299
View explanation
Q9.

The classification of bacteria into different groups based on their shape helps in:

Single Answer MCQ
Q-00055300
View explanation
Q10.

Which of the following groups of bacteria are known as 'blue-green algae'?

Single Answer MCQ
Q-00055301
View explanation
Q11.

Which of the following is a characteristic feature of Archaebacteria?

Single Answer MCQ
Q-00055302
View explanation
Q12.

Which type of nutrition involves bacteria breaking down dead organic matter?

Single Answer MCQ
Q-00055303
View explanation
Q13.

Which classification system introduced the concept of Kingdom Monera?

Single Answer MCQ
Q-00055304
View explanation
Q14.

Bacteria can be found in diverse environments. Which of the following environments do they NOT typically inhabit?

Single Answer MCQ
Q-00055305
View explanation
Q15.

Why is the classification of organisms under Kingdom Monera important for scientific research?

Single Answer MCQ
Q-00055306
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Q16.

Which of the following is a defining characteristic of organisms in Kingdom Protista?

Single Answer MCQ
Q-00055323
View explanation
Q17.

Which of the following groups does NOT belong to Kingdom Protista?

Single Answer MCQ
Q-00055324
View explanation
Q18.

Which group within Kingdom Protista is known for its ability to produce silica cell walls?

Single Answer MCQ
Q-00055325
View explanation
Q19.

What is the primary mode of reproduction in unicellular protists?

Single Answer MCQ
Q-00055326
View explanation
Q20.

Diatoms are crucial producers in aquatic ecosystems. What role do they play?

Single Answer MCQ
Q-00055327
View explanation
Q21.

Which type of protist can have both plant-like and animal-like characteristics?

Single Answer MCQ
Q-00055328
View explanation
Q22.

What is a primary ecological role of slime moulds?

Single Answer MCQ
Q-00055329
View explanation
Q23.

The process by which Euglena can switch between autotrophy and heterotrophy is called what?

Single Answer MCQ
Q-00055330
View explanation
Q24.

Which characteristic distinguishes protozoans from other protists?

Single Answer MCQ
Q-00055331
View explanation
Q25.

Dinoflagellates often contribute to harmful algal blooms. What is one potential consequence of this phenomenon?

Single Answer MCQ
Q-00055332
View explanation
Q26.

What structure do many protists use for movement?

Single Answer MCQ
Q-00055333
View explanation
Q27.

Which of the following protista groups is primarily known for producing toxins that can adversely affect marine animals?

Single Answer MCQ
Q-00055334
View explanation
Q28.

Chlamydomonas is classified under which group of Protista?

Single Answer MCQ
Q-00055335
View explanation
Q29.

What is a common feature of all members of the Kingdom Protista?

Single Answer MCQ
Q-00055336
View explanation
Q30.

In which environment are protists primarily found?

Single Answer MCQ
Q-00055337
View explanation
Q31.

What is the primary mode of nutrition for most fungi?

Single Answer MCQ
Q-00055338
View explanation
Q32.

Which of the following structures is primarily responsible for the reproduction in fungi?

Single Answer MCQ
Q-00055339
View explanation
Q33.

Which of the following groups is NOT a class of fungi?

Single Answer MCQ
Q-00055340
View explanation
Q34.

What common characteristic sets fungi apart from plants?

Single Answer MCQ
Q-00055341
View explanation
Q35.

Which type of fungi are known for forming mutualistic relationships with algae?

Single Answer MCQ
Q-00055342
View explanation
Q36.

What is a distinguishing feature of Ascomycetes?

Single Answer MCQ
Q-00055343
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Q37.

Which of the following fungi is primarily known for its role in fermentation?

Single Answer MCQ
Q-00055344
View explanation
Q38.

In what form do fungi primarily store energy?

Single Answer MCQ
Q-00055345
View explanation
Q39.

What is a common misconception about fungi?

Single Answer MCQ
Q-00055346
View explanation
Q40.

What is the role of mycelium in fungi?

Single Answer MCQ
Q-00055347
View explanation
Q41.

Which class of fungi is known for its parasitic members?

Single Answer MCQ
Q-00055348
View explanation
Q42.

Which of the following fungi produces non-motile spores?

Single Answer MCQ
Q-00055349
View explanation
Q43.

What major evolutionary significance do fungi have?

Single Answer MCQ
Q-00055350
View explanation
Q44.

Which application of fungi is used in biotechnology?

Single Answer MCQ
Q-00055351
View explanation
Q45.

What structural feature is unique to fungi compared to plants?

Single Answer MCQ
Q-00055352
View explanation
Q46.

What is the primary component of the viral capsid?

Single Answer MCQ
Q-00055353
View explanation
Q47.

Which characteristic is unique to organisms in Kingdom Plantae?

Single Answer MCQ
Q-00055354
View explanation
Q48.

Which of the following statements is true about viruses?

Single Answer MCQ
Q-00055355
View explanation
Q49.

In which phase do plants spend the majority of their life cycle?

Single Answer MCQ
Q-00055356
View explanation
Q50.

Viroids are primarily composed of which type of molecule?

Single Answer MCQ
Q-00055357
View explanation
Q51.

What type of nutrition do most plants utilize?

Single Answer MCQ
Q-00055358
View explanation
Q52.

What characterizes prions?

Single Answer MCQ
Q-00055359
View explanation
Q53.

Which of the following groups is NOT included in Kingdom Plantae?

Single Answer MCQ
Q-00055360
View explanation
Q54.

Which type of virus is typically found to infect bacteria?

Single Answer MCQ
Q-00055361
View explanation
Q55.

What feature distinguishes bryophytes from other plant groups?

Single Answer MCQ
Q-00055362
View explanation
Q56.

Which of the following diseases is caused by a virus?

Single Answer MCQ
Q-00055363
View explanation
Q57.

Which of the following features primarily defines angiosperms?

Single Answer MCQ
Q-00055364
View explanation
Q58.

How do viruses differ from bacteria?

Single Answer MCQ
Q-00055365
View explanation
Q59.

Which of the following plant groups shows alternation of generations distinctly?

Single Answer MCQ
Q-00055366
View explanation
Q60.

Which of the following is NOT a characteristic of viruses?

Single Answer MCQ
Q-00055367
View explanation
Q61.

What distinguishes the cell wall composition of fungi from that of plants?

Single Answer MCQ
Q-00055368
View explanation
Q62.

What type of RNA do most plant viruses contain?

Single Answer MCQ
Q-00055369
View explanation
Q63.

Which type of plants are the Venus flytrap and bladderwort classified as?

Single Answer MCQ
Q-00055370
View explanation
Q64.

Lichens are symbiotic associations of which two organisms?

Single Answer MCQ
Q-00055371
View explanation
Q65.

What are gymnosperms primarily characterized by?

Single Answer MCQ
Q-00055372
View explanation
Q66.

What is the main role of lichens in their ecosystem?

Single Answer MCQ
Q-00055373
View explanation
Q67.

What is the main mode of reproduction in plants?

Single Answer MCQ
Q-00055374
View explanation
Q68.

Which of the following correctly describes a viroid?

Single Answer MCQ
Q-00055375
View explanation
Q69.

Which of the following statements about alternation of generations is true?

Single Answer MCQ
Q-00055376
View explanation
Q70.

Which organism is primarily involved in the nitrogen-fixing process associated with lichens?

Single Answer MCQ
Q-00055377
View explanation
Q71.

How are plants classified in the Five Kingdom Classification?

Single Answer MCQ
Q-00055378
View explanation
Q72.

Which of the following best describes the role of capsomeres?

Single Answer MCQ
Q-00055379
View explanation
Q73.

What is the primary function of chloroplasts in plant cells?

Single Answer MCQ
Q-00055380
View explanation
Q74.

What distinguishes prions from other infectious agents?

Single Answer MCQ
Q-00055381
View explanation
Q75.

Which plant group is characterized by living in extreme habitats?

Single Answer MCQ
Q-00055382
View explanation
Q76.

Which of the following characteristics is unique to organisms in Kingdom Animalia?

Single Answer MCQ
Q-00055399
View explanation
Q77.

What mode of nutrition do animals primarily exhibit?

Single Answer MCQ
Q-00055401
View explanation
Q78.

Which of the following phyla includes organisms that have a backbone?

Single Answer MCQ
Q-00055402
View explanation
Q79.

The digestive system of most animals is characterized by which of the following?

Single Answer MCQ
Q-00055403
View explanation
Q80.

Which group of animals are known for having a hard exoskeleton?

Single Answer MCQ
Q-00055404
View explanation
Q81.

Which type of symmetry is found in most animal groups?

Single Answer MCQ
Q-00055405
View explanation
Q82.

What is a common feature of all members of the phylum Mollusca?

Single Answer MCQ
Q-00055406
View explanation
Q83.

How do sponges obtain nutrients?

Single Answer MCQ
Q-00055407
View explanation
Q84.

Which of the following features is NOT a characteristic of Kingdom Animalia?

Single Answer MCQ
Q-00055408
View explanation
Q85.

Which animal group is primarily characterized by marine existence and radial symmetry?

Single Answer MCQ
Q-00055409
View explanation
Q86.

What type of reproduction do most animals primarily exhibit?

Single Answer MCQ
Q-00055410
View explanation
Q87.

Which of the following is a trait of higher animals compared to lower animals?

Single Answer MCQ
Q-00055411
View explanation
Q88.

The food storage form in animals is primarily in the form of:

Single Answer MCQ
Q-00055412
View explanation
Q89.

What distinguishes the phylum Annelida from other animal phyla?

Single Answer MCQ
Q-00055413
View explanation
Q90.

Which of the following incorrectly categorizes an animal?

Single Answer MCQ
Q-00055414
View explanation
Q91.

Which animal’s reproduction strategy involves external fertilization?

Single Answer MCQ
Q-00055415
View explanation
Q92.

Which system is responsible for producing hormones in animals?

Single Answer MCQ
Q-00055416
View explanation
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