NEET Biology: Five kingdom classification Practice Questions
15 free multiple-choice questions on Five kingdom classification (Diversity in Living World) for NEET Biology, each with the correct answer and a step-by-step explanation. Attempt a question, then reveal the solution to check your reasoning.
Practice thousands more NEET questions in the app →Q1. Organisms belonging to the Kingdom Monera are characterized by being prokaryotic. What is the primary defining feature of prokaryotic cells?
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Correct answer: C — Absence of a true nucleus
Prokaryotic cells, which include the Kingdom Monera, are fundamentally defined by the absence of a true, membrane-bound nucleus and other complex membrane-bound organelles.
Q2. Which of the following groups includes organisms that are prokaryotic and lack a membrane-bound nucleus?
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Correct answer: D — Monera
Kingdom Monera (now often split into Bacteria and Archaea) comprises prokaryotic organisms, which lack a true, membrane-bound nucleus.
Q3. The Kingdom Protista is generally considered a diverse group, primarily comprising which type of organisms?
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Correct answer: A — Mostly unicellular eukaryotes
Protista is a diverse group of eukaryotes, many of which are unicellular, covering various modes of nutrition (autotrophic, heterotrophic).
Q4. The process of photosynthesis is the primary mode of energy production in which kingdom?
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Correct answer: D — Plantae
Photosynthesis, the process of making food using sunlight, is the defining characteristic of Kingdom Plantae.
Q5. Which kingdom of living organisms is primarily characterized by multicellular, eukaryotic cells containing rigid cell walls made of cellulose?
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Correct answer: C — Plantae
Plantae is the kingdom primarily characterized by multicellular organisms whose cell walls are predominantly made of cellulose, providing rigidity to the plant body.
Q6. Which of the following kingdoms consists entirely of multicellular, eukaryotic organisms that obtain nutrition by holozoic mode?
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Correct answer: D — Animalia
The Kingdom Animalia is characterized by multicellularity, eukaryotic cells, and heterotrophic nutrition (holozoic mode).
Q7. The Kingdom Plantae is uniquely identified by the ability of its organisms to perform which essential process?
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Correct answer: B — Photosynthesis
Plants are autotrophs, meaning they produce their own food using sunlight through photosynthesis.
Q8. Organisms belonging to Kingdom Fungi are characterized by their mode of nutrition. Which process do they primarily use to obtain food?
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Correct answer: C — Heterotrophic absorption
Fungi are heterotrophs that obtain nutrition by secreting digestive enzymes onto food and then absorbing the digested products (absorption).
Q9. Which characteristic is NOT typically used as a primary basis for the five-kingdom classification system proposed by Whittaker?
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Correct answer: D — Presence of specialized organs
Whittaker's system primarily used mode of nutrition, cell structure, body organization, and cell wall composition as major criteria. The presence of specialized organs is a secondary feature.
Q10. The primary mode of nutrition in Kingdom Fungi is characterized by which process?
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Correct answer: B — Saprophytic nutrition
Fungi are heterotrophs. They obtain nutrition by secreting digestive enzymes outside themselves and absorbing the digested organic matter from dead or living organisms (saprophytic or parasitic nutrition).
Q11. The defining characteristic of Kingdom Animalia is its mode of nutrition and movement. What is this characteristic?
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Correct answer: A — Heterotrophic and mobile
Animals are heterotrophs (ingest food) and possess the ability for locomotion or mobility.
Q12. Bacteria and Archaea are classified under which domain, which is a fundamental level of biological classification?
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Correct answer: D — Domain
Bacteria and Archaea belong to the Domain Bacteria and Archaea, respectively, which are higher taxonomic ranks used in the five-kingdom system.
Q13. Which characteristic is generally NOT a defining feature used to distinguish Kingdom Plantae from Kingdom Animalia?
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Correct answer: A — Presence of Cytoplasm
While both have cell walls and cytoplasm, the key difference is the mode of nutrition (autotrophic for plants vs. heterotrophic for animals). The options mix structural/functional traits, and cell wall presence is shared by many Eukaryotes.
Q14. Which kingdom includes organisms that are prokaryotic and lack a true membrane-bound nucleus?
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Correct answer: D — Monera
Kingdom Monera includes prokaryotic organisms, meaning they lack a true, membrane-bound nucleus.
Q15. Algae, protozoans, and some fungi are often grouped together in which kingdom based on their diverse and often simpler structure?
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Correct answer: D — Protista
Kingdom Protista is a diverse group containing eukaryotes that do not fit neatly into the other four kingdoms, often including unicellular forms like algae and protozoans.
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