MCQs on Biological Classification
1. Which of the following kingdoms includes organisms that are primarily multicellular and eukaryotic?
a) Monera
b) Protista
c) Fungi
d) Plantae
2. Which of the following is not a characteristic of kingdom Monera?
a) Prokaryotic cell structure
b) Unicellular organisms
c) Presence of membrane-bound organelles
d) Asexual reproduction
3. Which kingdom includes organisms that can be autotrophic, heterotrophic, or saprotrophic?
a) Plantae
b) Animalia
c) Protista
d) Fungi
4. In the five-kingdom classification, which kingdom does yeast belong to?
a) Plantae
b) Animalia
c) Fungi
d) Protista
5. Which of the following is a characteristic feature of kingdom Protista?
a) All members are photosynthetic
b) They have a prokaryotic cell structure
c) They have a well-defined nucleus
d) They are multicellular organisms
6. Which of the following organisms is an example of Archaebacteria?
a) E. coli
b) Methanogens
c) Amoeba
d) Rhizobium
7. Which kingdom includes both unicellular and multicellular organisms?
a) Monera
b) Protista
c) Fungi
d) Animalia
8. Who proposed the five-kingdom classification?
a) Carolus Linnaeus
b) Ernst Haeckel
c) R.H. Whittaker
d) Carl Woese
9. Which of the following groups of organisms belong to kingdom Plantae?
a) Algae
b) Fungi
c) Bacteria
d) Viruses
10. In which kingdom would you classify a multicellular organism that is heterotrophic and has cell walls made of chitin?
a) Plantae
b) Fungi
c) Protista
d) Monera
11. Which of the following statements about cyanobacteria is true?
a) They are eukaryotic
b) They perform photosynthesis
c) They have a well-defined nucleus
d) They are part of kingdom Plantae
12. Which of the following organisms belongs to the kingdom Protista?
a) Paramecium
b) Yeast
c) Rhizopus
d) Spirogyra
13. In which kingdom would you place an organism that is unicellular, has a cell wall, and lacks a true nucleus?
a) Fungi
b) Protista
c) Monera
d) Plantae
14. Which of the following is a feature of kingdom Fungi?
a) Photosynthetic ability
b) Presence of chlorophyll
c) Cell walls made of cellulose
d) Absorptive mode of nutrition
15. Which kingdom is characterized by organisms that have no cell wall?
a) Plantae
b) Fungi
c) Protista
d) Animalia
16. Which of the following is an example of a heterotrophic Protista?
a) Chlamydomonas
b) Euglena
c) Amoeba
d) Spirogyra
17. Which kingdom is known for having organisms with complex organ systems?
a) Monera
b) Protista
c) Animalia
d) Fungi
18. Which of the following statements is correct about the kingdom Monera?
a) They have a well-defined nucleus
b) They reproduce sexually
c) They have membrane-bound organelles
d) They are unicellular prokaryotes
19. Which of the following is an autotrophic organism from kingdom Protista?
a) Amoeba
b) Paramecium
c) Euglena
d) Saccharomyces
20. Which kingdom does the malaria-causing organism belong to?
a) Monera
b) Protista
c) Fungi
d) Plantae
21. Which of the following characteristics is true for kingdom Plantae?
a) They have a prokaryotic cell structure
b) They perform photosynthesis
c) They are all unicellular
d) They lack a cell wall
22. Which kingdom consists of organisms that are known as extremophiles?
a) Protista
b) Archaea
c) Animalia
d) Fungi
23. Which of the following is true for kingdom Animalia?
a) They have cell walls made of cellulose
b) They are autotrophic
c) They are multicellular and lack cell walls
d) They can photosynthesize
24. Which kingdom does the bread mold Rhizopus belong to?
a) Plantae
b) Animalia
c) Fungi
d) Protista
25. Which of the following is a member of kingdom Monera?
a) Algae
b) Protozoa
c) Cyanobacteria
d) Fungi
26. Which organism is an example of a eukaryotic unicellular organism?
a) Amoeba
b) Bacteria
c) Blue-green algae
d) Viruses
27. Which kingdom includes organisms that have a true nucleus and can perform photosynthesis?
a) Plantae
b) Animalia
c) Protista
d) Monera
28. Which of the following organisms belongs to kingdom Fungi?
a) Mushrooms
b) E. coli
c) Paramecium
d) Spirogyra
29. Which of the following organisms is classified under kingdom Protista?
a) Aspergillus
b) Methanobacterium
c) Chlorella
d) Azotobacter
30. In the five-kingdom classification system, which kingdom is characterized by organisms having a single chromosome?
a) Monera
b) Protista
c) Plantae
d) Animalia
31. Which kingdom does the organism Saccharomyces (yeast) belong to?
a) Plantae
b) Animalia
c) Protista
d) Fungi
32. Which of the following is not true about the kingdom Plantae?
a) They have chlorophyll
b) They are heterotrophic
c) They have cell walls made of cellulose
d) They perform photosynthesis
33. Which group of organisms includes extremophiles?
a) Eubacteria
b) Archaea
c) Protista
d) Fungi
34. Which of the following organisms belong to kingdom Animalia?
a) Blue-green algae
b) Paramecium
c) Mushroom
d) Lion
35. Which kingdom includes organisms that reproduce by binary fission?
a) Monera
b) Protista
c) Plantae
d) Animalia
36. Which organism is classified under kingdom Protista?
a) Penicillium
b) Amoeba
c) Aspergillus
d) Methanogens
37. Which of the following organisms is known for its ability to fix nitrogen?
a) Rhizobium
b) Amoeba
c) Yeast
d) Penicillium
38. Which of the following is true about kingdom Monera?
a) They have multicellular organisms
b) They have a well-defined nucleus
c) They include bacteria
d) They are eukaryotic
39. Which of the following statements is correct about the kingdom Protista?
a) They have a prokaryotic cell structure
b) They are all multicellular
c) They have a well-defined nucleus and organelles
d) They are incapable of photosynthesis
40. Which of the following is true for the kingdom Fungi?
a) They are autotrophic
b) They have chitin in their cell walls
c) They are photosynthetic
d) They have cellulose in their cell walls
41. Which of the following is a common characteristic of both Archaea and Bacteria?
a) Presence of a well-defined nucleus
b) Both are eukaryotic
c) Both have membrane-bound organelles
d) Both are prokaryotic
42. Which of the following organisms belongs to kingdom Plantae?
a) Rhizopus
b) Chlorella
c) Plasmodium
d) Salmonella
43. Which kingdom includes organisms that are classified as primary producers?
a) Animalia
b) Fungi
c) Plantae
d) Protista
44. Which kingdom does E. coli belong to?
a) Protista
b) Fungi
c) Monera
d) Plantae
45. Which of the following is a feature of kingdom Animalia?
a) Presence of a cell wall
b) Autotrophic nutrition
c) Multicellular and eukaryotic
d) Photosynthetic capability
46. Which kingdom includes the simplest eukaryotic organisms?
a) Fungi
b) Animalia
c) Protista
d) Plantae
47. Which of the following is true for kingdom Protista?
a) They are all prokaryotic
b) They are all multicellular
c) They include organisms with a well-defined nucleus
d) They have a cell wall made of chitin
48. Which of the following is not true about kingdom Monera?
a) They have a cell wall
b) They are prokaryotic
c) They have a well-defined nucleus
d) They reproduce asexually
49. Which organism is an example of a multicellular autotroph?
a) Yeast
b) Amoeba
c) Spirogyra
d) Rhizopus
50. Which of the following organisms would you classify under kingdom Animalia?
a) Blue-green algae
b) Mushroom
c) Lion
d) Yeast
Answers to the MCQs
1. d) Plantae
2. c) Presence of membrane-bound organelles
3. c) Protista
4. c) Fungi
5. c) They have a well-defined nucleus
6. b) Methanogens
7. c) Fungi
8. c) R.H. Whittaker
9. a) Algae
10. b) Fungi
11. b) They perform photosynthesis
12. a) Paramecium
13. c) Monera
14. d) Absorptive mode of nutrition
15. d) Animalia
16. c) Amoeba
17. c) Animalia
18. d) They are unicellular prokaryotes
19. c) Euglena
20. b) Protista
21. b) They perform photosynthesis
22. b) Archaea
23. c) They are multicellular and lack cell walls
24. c) Fungi
25. c) Cyanobacteria
26. a) Amoeba
27. a) Plantae
28. a) Mushrooms
29. c) Chlorella
30. a) Monera
31. d) Fungi
32. b) They are heterotrophic
33. b) Archaea
34. d) Lion
35. a) Monera
36. b) Amoeba
37. a) Rhizobium
38. c) They include bacteria
39. c) They have a well-defined nucleus and organelles
40. b) They have chitin in their cell walls
41. d) Both are prokaryotic
42. b) Chlorella
43. c) Plantae
44. c) Monera
45. c) Multicellular and eukaryotic
46. c) Protista
47. c) They include organisms with a well-defined nucleus
48. c) They have a well-defined nucleus
49. c) Spirogyra
50. c) Lion
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