Biological Classification MCQ Multiple Choice Questions

Q: 1. A dikaryon is formed when

Correct Answer is: None of the above

Q: 6. All the bacteria fix nitrogen except

Correct Answer is: Cyanobacteria

Q: 10. Class dicotyledon is divided into

Correct Answer is: 3 sub-classes

Q: 12. Difference between Virus and Viroid is

Correct Answer is: None of the above

Q: 13. Embryo is not formed in

Correct Answer is: pteridophytes

Q: 16. Fruiting body is characteristic of

Correct Answer is: Pteridophyta

Q: 18. Fungus cell wall is made up of

Correct Answer is: carbohydrates

Q: 19. Halophiles is also called

Correct Answer is: Cyanobacteria

Welcome to our Biological Classification MCQs section, ideal for students and exam aspirants looking to master the fundamentals of biological classification and taxonomy.

About Biological Classification MCQ Questions

Biological Classification MCQs cover essential topics such as the hierarchical system of classification, key characteristics of different taxonomic groups, and the principles of binomial nomenclature. These questions are designed to deepen your understanding of how living organisms are categorized and related to one another.

Why Practice Biological Classification Objective Questions?

Practicing these MCQs helps you prepare for various exams, including school and college tests, competitive exams, and job interviews. They are an excellent tool for reinforcing your knowledge, identifying weak areas, and building confidence in your understanding of biological classification.

Who Should Use These MCQs?

Biological Classification MCQ Questions for Practice

1. A dikaryon is formed when

Meiosis is arrested
The two haploid cells do not fuse immediately
Cytoplasm does not fuse
None of the above

2. A virus contains

DNA
RNA
DNA or RNA
DNA and RNA

3. African sleeping sickness is caused by

Giardia intestinalis
Leishmania
Trypanosoma
Entamoeba

4. All eukaryotic unicellular organisms belong to

Monera
Protista
Fungi
Bacteria

5. All fungi are

Autotrophs
Saprotrophs
Heterotrophs
Parasites

6. All the bacteria fix nitrogen except

Rhizobium
E Coli
Azotobacter
Cyanobacteria

7. An association between roots of higher plants and fungi is called

Lichen
Fern
Mycorrhiza
BGA

8. Associations between Mycobiont and Phycobiont are found in

Mycorrhiza
Root
Lichens
BGA

9. By how many criteria, living organisms have been classified into five kingdom

Two
Four
five
Three

10. Class dicotyledon is divided into

7 sub-classes
5 sub-classes
3 sub-classes
2 sub- classes

11. Contagium vivum fluidum was proposed by

D.J.Ivanowsky
M.W.Beijerinek
Stanley
Robert Hook

12. Difference between Virus and Viroid is

Absence of protein coat in viroid but present in virus
Presence of low molecular weight RNA in the virus but absent in viroid
Both a and b
None of the above

13. Embryo is not formed in

Bryophytes
algae
gymnosperm
pteridophytes

14. Example of blue green algae is in

Fungi
Monera
Protistae
Plantae

15. Extra chromosomal, circular, double stranded, self replicating DNA molecule in bacteria is called

Cosmid
Plasmid
Phasmid
Phagemid

16. Fruiting body is characteristic of

Algae
Lichens
Bryophyta
Pteridophyta

17. Fungi which grow in dung are termed as

Caprophilous
Tericolous
Sacxicolous
Saxiphilous

18. Fungus cell wall is made up of

Cellulose
Protein
Chitin
carbohydrates

19. Halophiles is also called

Eubacteria
Actinomyce
Cyanobacteria
Archaebacteria

20. If the seeds are formed from the megasporophylls and not enclosed in a fruits the plant belongs to

pteridophyte
bryophytes
angiosperm
gymnosperm

21. In Fungi reserved food materials are

Glycogen and lipid droplets
Starch
Protein
Lipid

22. In lichens fungal component is known as

Mycobiont
phycobiont
A & B
none of these

23. In which plant, gametophytic phase is main and sporophytic phase is subsidiary

Bryophytes
pteridophytes
gymnosperms
angiosperms

24. Membranous infoling in bacteria that initiate DNA replication is

Mesosomes
Carboxysome
Magnetosome
Nucleosome

25. Microsporophyll :stamen then Megasporophyll

Anther
Gynoecium
Pollen grains
Ovule

26. Naked cytoplasm, multinucleated and saprophytic is the characteristics of

Monera
Protista
Fungi
Slime moulds

27. On the basis of structural form lichen are

Crustose
Foliose
Fruticose
All of three

28. Organisms living in salty areas are called as

Methanogens
Halophiles
Heliophytes
Thermoacidophiles

29. Plant of this group possess naked seed

Pteridophytes
Angiosperms
Gymnosperms
Bryophytes

30. pre-fertilized endosperms is characterstics of

pteridophyte
angiosperms
gymnosperms
bryophytes

Biological Classification MCQ Multiple Choice Questions for Practice

About Biological Classification MCQ Questions

Why Practice Biological Classification Objective Questions?

Who Should Use These MCQs?

Biological Classification MCQ Questions for Practice

1. A dikaryon is formed when

2. A virus contains

3. African sleeping sickness is caused by

4. All eukaryotic unicellular organisms belong to

5. All fungi are

6. All the bacteria fix nitrogen except

7. An association between roots of higher plants and fungi is called

8. Associations between Mycobiont and Phycobiont are found in

9. By how many criteria, living organisms have been classified into five kingdom

10. Class dicotyledon is divided into

11. Contagium vivum fluidum was proposed by

12. Difference between Virus and Viroid is

13. Embryo is not formed in

14. Example of blue green algae is in

15. Extra chromosomal, circular, double stranded, self replicating DNA molecule in bacteria is called

16. Fruiting body is characteristic of

17. Fungi which grow in dung are termed as

18. Fungus cell wall is made up of

19. Halophiles is also called

20. If the seeds are formed from the megasporophylls and not enclosed in a fruits the plant belongs to

21. In Fungi reserved food materials are

22. In lichens fungal component is known as

23. In which plant, gametophytic phase is main and sporophytic phase is subsidiary

24. Membranous infoling in bacteria that initiate DNA replication is

25. Microsporophyll :stamen then Megasporophyll

26. Naked cytoplasm, multinucleated and saprophytic is the characteristics of

27. On the basis of structural form lichen are

28. Organisms living in salty areas are called as

29. Plant of this group possess naked seed

30. pre-fertilized endosperms is characterstics of

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Biological Classification MCQ Multiple Choice Questions for Practice

About Biological Classification MCQ Questions

Why Practice Biological Classification Objective Questions?

Who Should Use These MCQs?

Biological Classification MCQ Questions for Practice

1. A dikaryon is formed when

2. A virus contains

3. African sleeping sickness is caused by

4. All eukaryotic unicellular organisms belong to

5. All fungi are

6. All the bacteria fix nitrogen except

7. An association between roots of higher plants and fungi is called

8. Associations between Mycobiont and Phycobiont are found in

9. By how many criteria, living organisms have been classified into five kingdom

10. Class dicotyledon is divided into

11. Contagium vivum fluidum was proposed by

12. Difference between Virus and Viroid is

13. Embryo is not formed in

14. Example of blue green algae is in

15. Extra chromosomal, circular, double stranded, self replicating DNA molecule in bacteria is called

16. Fruiting body is characteristic of

17. Fungi which grow in dung are termed as

18. Fungus cell wall is made up of

19. Halophiles is also called

20. If the seeds are formed from the megasporophylls and not enclosed in a fruits the plant belongs to

21. In Fungi reserved food materials are

22. In lichens fungal component is known as

23. In which plant, gametophytic phase is main and sporophytic phase is subsidiary

24. Membranous infoling in bacteria that initiate DNA replication is

25. Microsporophyll :stamen then Megasporophyll

26. Naked cytoplasm, multinucleated and saprophytic is the characteristics of

27. On the basis of structural form lichen are

28. Organisms living in salty areas are called as

29. Plant of this group possess naked seed

30. pre-fertilized endosperms is characterstics of

Your Score

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