100+ Biological Classification NEET Questions and Answers PDF

In this post, Biological Classification NEET Questions and Answers, we are going to discuss some most important questions and answers for NEET, AIIMS examinations 2022-23 from Class-11 Biology Chapter-2. This is a very important topic for NEET Aspirants to get them to score more marks and maintain the speed of the exam. So it’s really necessary to learn all the concepts perfectly and attempt questions on a regular basis.

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A Brief Description About Biological Classification NEET Questions and Answers PDF

Topic:Biological Classification NEET Questions
Examinations:NEET, AIIMS, JIPMER
Class:11 (CBSE/NCERT) Biology
No of Questions:100+
Question type:Multiple Choice Question
Question Format:Text & PDF
PDF Size:1 MB
Download PDF:Attached Below

Biological Classification NEET Questions

1. Linnaeus classified organisms into ________

a) Prokaryotes and Eukaryotes

b) Monera and Protista

c) Bacteria and Non-bacteria

d) Plantae and Animalia

Answer: d


2. Which among the following is a major disadvantage of the Linnaeus and Aristotle’s classification?

a) It is based on the morphological characteristics

b) These classifications resulted in organisms that are of completely different in the same group

c) It considered the evolutionary relationships of the organisms

d) They managed to include almost every organism in their classification

Answer: b


3. Linnaeus classified amoeba under _________

a) Protista

b) Animalia

c) Monera

d) Plantae

Answer: b


4. According to Aristotle Chlorella comes under _______

a) Plantae

b) Animalia

c) Protista

d) Plants

Answer: d


5. In Whittaker’s 5 kingdom classification, all the prokaryotic organisms are grouped under ________

a) Monera

b) Protista

c) Fungi

d) Animalia

Answer: a


6. In Whittaker’s 5 kingdom classification, all the unicellular organisms are categorised under ________

a) Protista

b) Monera

c) Porifera

d) Animals

Answer: c


7. Cell wall in fungi is made up of ________

a) Chitin

b) Cellulose

c) Amino acids

d) Proteins

Answer: a


8. Chlamydomanas is grouped under________

a) Monera

b) Protista

c) Plantae

d) Fungi

Answer: b


9. Which among the following don’t contain nuclear membrane?

a) Monera

b) Protista

c) Fungi

d) Animalia

Answer: a


10. All the heterotrophic plants are categorized under ____________

a) Protista

b) Fungi

c) Monera

d) Plantae

Answer: b


11. Which among the following are incorrect?

a) Whittaker’s classification managed to consider cell structure, nature of the cell wall, mode of nutrition and method of reproduction

b) In 2 kingdom classification, all the fungi and algae are forcefully made to join Animalia

c) Whittaker’s classification is polyphyletic and so failed to group similar organism under the same kingdom

d) Whittaker’s classification didn’t include viruses

Answer: b


12. Plantae consists of _______

a) Prokaryotes

b) Unicellular organisms

c) Multi-cellular organism

d) Heterotrophs

Answer: c


13. Who proved that viruses are crystalline like structures?

a) W M Stanley

b) Ivanowsky

c) M W Beijerinek

d) Lavoisier

Answer: b


14. Viruses are an example of ________

a) Obligate parasites

b) Facultative parasites

c) Commensalism

d) Ectoparasites

Answer: a


15. Which among the following is not a difference between viruses and viroids?

a) Viruses contain DNA whereas viroids don’t contain DNA

b) Viruses contain protein coat whereas viroids don’t contain protein coat

c) Viruses contain RNA whereas viroids don’t contain RNA

d) Viruses are found in bacteria, animals and plants but viroids only in plants

Answer: a


16. Who discovered viroids?

a) T.O. Diener

b) Alexander Flemming

c) W.M. Stanley

d) Robert Hooke

Answer: a


17. Which among the following is odd?

a) Mumps

b) Small pox

c) Influenza

d) Potato spindle tuber disease

Answer: d


18. AIDS stands for _______

a) Acquired Immuno Deficiency Syndrome

b) Acquired Immuno Disease Syndrome

c) All India Disease Syndromes

d) Aided Institute for Development and Sciences

Answer: a


19. The fungal portion in Lichens is known as _________

a) Mycobiant

b) Phycobiant

c) Capsobiant

d) Deuterobiant

Answer: a


20. Lichens are indicators of pollution because ________

a) They grow in oxygen depleted regions

b) They don’t grow in polluted regions

c) They grow in polluted regions

d) Their growth indicates that the region has very high carbon levels

Answer: b


21. Dunaliella salina belongs to the category of ________

a) Halophiles

b) Thermophiles

c) Hydrophiles

d) Methanogens

Answer: a


22. Methanogens are present in the ______

a) Mouth of cow

b) Guts of cow

c) Respiratory system of cow

d) Ribs of a cow

Answer: b


23. Archaebacteria can survive in extreme conditions because of the ________

a) complex metabolic reactions in their body

b) fact that they are the oldest life forms on the earth

c) rigid cell wall they have

d) double membrane nucleus

Answer: c


24. In chemosynthetic autotrophs energy to prepare food is obtained from __________

a) Light energy

b) Chemical energy

c) Bio-energy

d) Thermal energy

Answer: b


25. Which among the following is incorrect about Cyanobacteria?

a) The word cyano means greenish-blue because of which cyanobacteria is also called as blue-green algae

b) The colour of cyanobacteria is due to presence of chlorophyll

c) Cyanobacteria are chemosynthetic autotrophs

d) Cyanobacteria help in enriching oxygen levels in the atmosphere

Answer: c


26. Pseudomonas adopt ___________

a) Parasitic mode of nutrition

b) Heterotrophic mode of nutrition

c) Saprophytic mode of nutrition

d) Autotrophic mode of nutrition

Answer: b


27. Which among the following are incorrect about Mycoplasma?

a) It has rigid cell wall

b) It adopts parasitic mode of nutrition

c) It is present in urogenital tract and blood smears

d) Mycoplasma is the smallest living cell

Answer: a


28. E.Coli is a rod-shaped bacterium present in ________

a) Digestive tract of humans

b) Respiratory tract of humans

c) Urogenital tract of humans

d) Excretory tract of humans

Answer: a


29. Which among the following is incorrect about Lacto bacilli?

a) These are rod shaped bacteria

b) These are the bacteria responsible for turning milk into curd

c) These are parasites

d) They are also useful in industries for fermentation of wine

Answer: c


30. Bacteria reproduce by ___________

a) Sexual reproduction

b) Asexual reproduction

c) Spores

d) Sexual reproduction and asexual reproduction

Answer: d


31. Protists survive in ________

a) dry desert

b) aquatic regions

c) dry mountains

d) hot hills

Answer: b


32. Which among the following comprises of animal like protists?

a) Protozoans

b) Chrysophytes

c) Slime molds

d) Dianoflagellates

Answer: a


33. Diatoms are grouped under _________

a) Chrysophytes

b) Protozoans

c) Dianoflagelletes

d) Euglenoids

Answer: a


34. Cell wall in diatoms is made of _______

a) Chitin

b) Pectin

c) Silica

d) Cellulose

Answer: c


35. Diatomaceous earth can be used as a pest control because _________

a) it is porous

b) it contains silica which is poisonous for pests when eaten and therefore they die

c) it snatches out lipids from the outermost waxy layer of pests called cuticle and makes them dry which results in their death

d) it acts as anesthesia when given in minor quantities but pests die when large quantities are in taken

Answer: c


36. Diatoms store food as _______

a) Starch

b) Glucose

c) Oil

d) Fructose

Answer: c


37. Aristotle classified the organisms based on their _________

a) Morphological characteristics

b) Cell wall

c) Evolutionary relationships

d) Method of reproduction

Answer: a


38. Aristotle’s classification of plants is based on the ________

a) Size

b) Flowering or non-flowering

c) Number of cotyledons present

d) Type of roots they have

Answer: a


39. Aristotle’s classification contained ________

a) 5 Kingdoms

b) 3 Kingdoms

c) 2 Kingdoms

d) 4 Kingdoms

Answer: c


40. Which of the following statements are correct?

a) Aristotle classified the organisms into 5 kingdoms

b) Aristotle’s classification helped in classifying every organism

c) It didn’t consider the cell structure of the organism

d) It considered the method of reproduction of an organism

Answer: c


41. Cell wall in dianoflagelllates contain _______

a) Chitin

b) Cortex

c) Silica

d) Pectin

Answer: b


42. Dianoflagellates contain ________

a) two flagella with both being transversal

b) two flagella with both being longitudinal

c) two flagella with lone being longitudinal and other being transversal

d) three flagella with one being along x-axis, other being along y-axis and the third one being along z-axis

Answer: c


43. What is red tide?

a) Accumulation of cell wall deposits of red algae is called red tide

b) Accumulation of red blood cells in water

c) Coloration of water due to rapid multiplication of red dianoflagellates

d) Spread of chrysophytes due to rapid reproduction

Answer: c


44. Which among the following is responsible for red tide?

a) Gonyaulax

b) Udinium

c) Noctiluca

d) Golden algae

Answer: a


45. Which among the following belong to plankton?

a) Dianoflagellates

b) Chrysophytes

c) Euglenoids

d) Protozoans

Answer: b


46. Desmids belong to ________

a) Dianoflagellates

b) Chrysophytes

c) Euglenoids

d) Protozoans

Answer: b


47. Euglenoids are flexible due to ___________

a) Pellicle

b) Pectin

c) Chitin

d) Cortex

Answer: a


48. Which among the following are saprophytic protists?

a) Euglenoids

b) Protozoans

c) Dianoflagellates

d) Slime moulds

Answer: d


49. Slime moulds grow on ______

a) Oceans

b) Fresh water

c) Dead and decay mater

d) Hills

Answer: c


50. Which among the following are incorrect statements?

a) Slime moulds feed on bacteria, yeast and fungi and have amoeba like food ingestion

b) The pigments in Euglena are identical to that of higher plants

c) Slime moulds reproduce either by forming an aggregate called plasmodium or by spore formation

d) All the other protists except Slime moulds have cell wall

Answer: d


51. Which among the following are incorrect about the reproduction in slime moulds?

a) During favourable conditions, slime moulds form an aggregation called plasmodium which may grow and spread over several feet

b) Under favourable conditions, slime moulds form fruiting bodies bearing spores at their tips which then get dispersed through air currents

c) The spores possess true walls that is resistant to adverse conditions

d) Slime moulds reproduce either by sexual or by asexual reproduction

Answer: b


52. Pseudopodia help amoeboids in _______

a) locomotion

b) ingestion of food

c) locomotion and ingestion of food

d) performing metabolic reactions

Answer: c


53. Amebiasis is caused due to _______

a) Amoeba proteus

b) Entamoeba hystalica

c) Chaos carolinense

d) Trypanosoma

Answer: b


54. Movement in paramoecium is due to ______

a) gullet

b) photo-receptors

c) cillia

d) radiating canals

Answer: c


55. Sleeping sickness is due to ________

a) Trypanosoma

b) Entamoeba hystalica

c) Noctiluca

d) Golden algae

Answer: a


56. Which among the following are non-mobile protozoa?

a) Sporozoans

b) Chrysophytes

c) Euglenoids

d) Amoeboids

Answer: a


57. Why do you think that food is protected from fungi when stored in refrigerator?

a) Fungi doesn’t grow in warm conditions

b) Refrigerator provides dry and cold conditions that don’t let fungi grow

c) Refrigerator contains CFC gas that is toxic and doesn’t let fungi to grow

d) Since the device works with electricity which doesn’t let fungus to grow

Answer: b


58. Which among the following statements are incorrect about Fungi?

a) All the fungi are multi-cellular organisms except yeast

b) Fungi are heterotrophic and are either parasitic or saprophytic

c) Fungi prefer cold-dry conditions to grow

d) Fungi are immobile and this is the major difference between slime molds and that of fungi

Answer: c


59. Lichens are __________

a) symbiotic existence of blue-green algae and fungi

b) symbiotic existence of rhizobium bacteria in the roots of leguminous plants

c) co-existence of coral reef with zooxanthellae

d) existence of mycorrhiza along with leguminous plants

Answer: c


60. Symbiosis between honey bee and flowers is an example of _________

a) Obligative symbiosis

b) Facultative symbiosis

c) Commensalism

d) Parasitism

Answer: a


61. Which among the following statements are incorrect?

a) Some parasitic fungi can cause disease in humans

b) Lichens are an example of obligative symbiosis

c) Lice in humans are example for endo-symbiosis

d) Cell wall of fungi is made of polysaccharides

Answer: c


62. Which among the following is incorrect about Dikaryon?

a) Dikaryon is formed by fusion of two nuclei

b) Dikaryon is haploid nuclei formed due to fusion of two nuclei

c) It further undergoes meiosis to form haploid cells

d) Dikaryon is formed only during adverse environmental conditions

Answer: b


63. Which among the following is not a mode of asexual reproduction?

a) Budding

b) Fragmentation

c) Zoospores

d) Zygospores

Answer: d


64. Karyogamy means ______

a) fusion of nuclei

b) removal of cell wall

c) formation of new cell wall

d) division of nucleus

Answer: a


65. Diploid cell refers to __________

a) two set of chromosomes in a cell

b) germ cells in an organism

c) single set of chromosomes

d) double-membraned nuclei

Answer: c


66. Budding is ________

a) sexual mode of reproduction

b) an asexual mode of reproduction where an outgrowth from the parent splits to form the daughter organism

c) an asexual mode of reproduction where the parent organisms splits into fragments and then develops into a new organism

d) an asexual mode of reproduction where cytoplasm and nuclei splits into two equal parts to form two daughter nuclei

Answer: b


67. During reproduction of fungus through fragmentation, ______

a) Mycelium separates into pieces which in turn form new one

b) Germ cells separate into pieces which in turn form new one

c) Zoospores are formed which further germinates to form new mycelium

d) Zygospores are formed which further germinates to form new mycelium

Answer: a


68. Coenocytic means _______

a) sharing of common cytoplasm

b) removal of plasma membrane

c) sharing of common nucleus

d) sharing of common hyphael wall

Answer: a


69. Phycomycetes are also called as ______

a) Sac fungi

b) Conjugation fungi

c) Club fungi

d) Imperfect fungi

Answer: b


70. Rhizopus belongs to _________

a) Phycomycetes

b) Ascomycetes

c) Basidiomycetes

d) Deuteromycetes

Answer: a


71. Which among the following are incorrect about Phycomycetes?

a) Phycomycetes are aseptate fungi and are coenocytic

b) Phycomycetes are also called as algal fungi

c) Zygospores are formed due to isogamous fertilization and zoospores are formed due to anisogamous fertilization

d) Phycomycetes are also called as conjugation fungi

Answer: c


72. Non-motile spores in Phycomycetes are called as _____

a) Phycospores

b) Zoospores

c) Aplanospores

d) Zygospores

Answer: c


73. Asexual spores in Ascomycetes are called as _______

a) Ascospores

b) Conidia

c) Sporangiospores

d) Aeciospores

Answer: b


74. Which among the following is incorrect about Ascomycetes?

a) Mycelium in Ascomycetes is septate and coenocytic

b) Ascomycetes are also called Sac fungi

c) Asexual spores in Ascomycetes are called as Conidia and are produced exogenously by conidiocarps

d) Sexual spores in Ascomycetes are called as Ascospores and are produced endogenously by Ascocarps

Answer: a


75. Pencillium belongs to _________

a) Ascomycetes

b) Phycomycetes

c) Basidiomycetes

d) Deuteromycetes

Answer: a


76. Puccina is also called as _____

a) Mustard fungi

b) Rust fungi

c) Bracket fungi

d) Bread mold

Answer: b


77. Which among the following is incorrect about Basidiomycetes?

a) Basidiomycetes is also called as Club fungi

b) Basidiomycetes grow on soil, tree logs and plants

c) Mucor, Puccina and Puff balls are examples of Basidiomycetes

d) Basidiospores are sexual spores in Basidiomycetes

Answer: c


78. Scientific name of common mushroom is ______

a) Albugo

b) Agaricus bisporus

c) Stolonifer

d) Muccidae

Answer: b


79. Which among the following can’t produce spores sexually?

a) Ascomycetes

b) Basidiomycetes

c) Phycomycetes

d) Deuteromycetes

Answer: d


80. Which among the following statements are incorrect?

a) Asexual spores are formed due to mitosis

b) Bracket fungi are an example of ascomycetes

c) Basidiomycetes produce sexual spores called Basidiospores exogenously in Basidium

d) Deuteromycetes reproduce asexually by Conidia

Answer: b


81. Viruses that infect bacterium are called as _________

a) Bacteriophages

b) Viral bacterium

c) Bacteiocapsid

d) Bacteriomycin

Answer: a


82. Viruses that infect plants have ________

a) single stranded RNA

b) double stranded RNA

c) single stranded DNA

d) double stranded DNA

Answer: a


83. The word “Virus” means ______

a) Venom

b) Proliferate

c) Change

d) Tremendous

Answer: a


84. Why are viruses not included in any of the five kingdoms?

a) There are already more than thousands of organisms in the five kingdoms and hence, no space to include viruses

b) Viruses are not living organisms

c) Viruses reproduce rapidly which is in fact weird and therefore they are not classified under any of the five kingdoms

d) Viruses are so small that they can’t be studied

Answer: b


85. Which among the following are incorrect about Viruses?

a) Viruses are acellular

b) Viruses are smaller than bacterium

c) Viruses can perform all of their metabolic activities except reproduction when outside a living host

d) Viruses are non-living organisms

Answer: c


86. Viruses contain sheath made of ______

a) Nucleic acids

b) Proteins

c) Saccharides

d) Chitin

Answer: b


Biological Classification NEET Questions and Answers PDF

It is important to identify what you really need to learn, in order to pass the NEET. Everyone will have their own specializations and approach to this, but it is safe to say that biology is a subject that can be simplified. The NEET practice tests are usually timed, which will make it challenging to cover the complete syllabus. Hence one must concentrate on the key points removing all the redundant.

Biological classification is the naming of living things. It has roots that extend back to the Ancient Greeks, who classified animals, plants, and minerals into such groups as vertebrates and invertebrates. Biologists rely on nomenclature codes to make sense of the innovative kinds of organisms they discover each year. We’re going to look at a few important advances that shape how biologists classify living things.

Biological classification is the naming of living things. It has roots that extend back to the Ancient Greeks, who classified animals, plants, and minerals into such groups as vertebrates and invertebrates. Biologists rely on nomenclature codes to make sense of the innovative kinds of organisms they discover each year. We’re going to look at a few important advances that shape how biologists classify living things.

Hopefully, this guide has helped you develop a better understanding of the major concepts in biological classification. From kingdoms and phyla to species, each term is connected by a consistent set of criteria, rules, and ideas—and it’s up to you to understand these terms so that you can use them correctly.

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