Chapter 2 Biological Classification MCQs for Class 11 Biology

Chapter 2 Biological Classification MCQs for Class 11 Biology, Chapter 2 Biological Classification Notes for Class 11 Biology

Chapter 2 Biological Classification MCQs for Class 11 Biology

Here students can practice Chapter 2 Biological Classification MCQs for Class 11 Biology. All the MCQs are divided into several sub-pages. Each page has 40 MCQs, for the next page just scroll down and click on the buttons. Also you can practice Class 11 Biology MCQs (Multiple Choice Questions) for other chapters.

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Q 1.: Botanical gardens provide 

(A) Beautiful area for recreation

(B) Reservoir for tropical plants   

(C) Ex situ conservation of germplasm

(D) Natural habitat for wildlife

Option – (c)

Q 2.: Outer protein covering of virus is

(A) Virion 

(B) Capsid

(C) Viroid

(D) Coat

Option – (c)

Q 3.: Unicellular eukaryotes belong to kingdom

(A) Plantae

(B) Monera

(C) Protista

(D) Mycota

Option – (c)

Q 4.: In five kingdom system of Whittaker, how many kingdoms do eukaryotes contain?

(A) 4

(B) 3

(C) 2

(D) 1

Option – (a)

Q 5.: HIV has a protein coat and genetic material

(A) ssRNA

(B) dsRNA

(C) ssDNA

(D) dsDNA

Option – (a)

Q 6.: Viroids have

(A) ssRNA not enclosed by protein coat

(B) ssDNA not enclosed by protein coat

(C) dsDNA enclosed by protein coat

(D) dsRNA enclosed by protein coat

Option – (a)

Q 7.: First phylogenetic system was given by

(A) Engler and Pantl

(B) Pliny

(C) John Ray

(D) Whittaker

Option – (a)

Q 8.: Genetic material of retroviruses is


(B) DNA and RNA


(D) Nucleoprotein complexes

Option – (a)

Q 9.: Bacteriophage releases lysozyme during

(A) Penetration phase

(B) Eclipse phase

(C) Absorption phase

(D) Maturation phase

Option – (a)

Q 10.: Five kingdom classification includes

(A) Monera, Protista, Fungi, Plantae, Animalia

(B) Algae, Fungi, Bryophyta, Pteridophyta, Gymnosperms

(C) Virus, Prokaryota, Fungi, Plantae, Animalia

(D) Monera, Protista, Animalia, Plantae, Algae

Option – (a)

Q 11.: Helical contractile sheath occurs in

(A) Bacteria

(B) Bacteriophage

(C) Retroviruses

(D) Fungi

Option – (b)

Q 12.: Which is correct?

(A) RNA is genetic material of bacteria

(B) RNA is genetic material of viruses

(C) DNA is genetic material of some organisms 

(D) Some viruses have RNA as genetic material

Option – (d)

Q 13.: The Disease caused by virus which is 42 nm in size and contains double-standard DNA is

          (A) Hepatitis-A


(C) Hepatitis-B

(D) Leprosy

Option – (c)

Q 14.: Bacterial (gram +ve) cell wall contains

(A) 60-70%  mucopolypeptide

(B) 70-80%   mucopolypeptide

(C) 80-90% mucopolypeptide

(D) 90-100 mucopolypeptide

Option – (b)

Q 15.: The edible part of mushroom is

(A) Reproductive phase

(B) Assimilative phase

(C) Mycelium

(D) Monokaryotic hyphae

Option – (a)

Q 16.: In Whittaker’s system of classification, prokaryotes are placed in the kingdom

(A) Protista

(B) Monera

(C) Plantae

(D) Animalia

Option – (b)

Q 17.: This substance is present in the cell walls of Gram positive bacteria only.

(A) Peptidoglycan

(B) Lipopolysaccharides

(C) Teichoic acid

(D) None of these

Option – (c)

Q 18.: Highest degree of polymorphism is found in

(A) Protozoa

(B) Cnidaria

(C) Platyhelminthes

(D) Arthropoda

Option – (b)

Q 19.: Bacteria are considered plant, because

(A) They are green in colour

(B) They have rigid cell wall

(C) They have chlorophyll

(D) They have stomata

Option – (b)

Q 20.: The system of classification which employs numerical method to evaluate the similarities and differences between the species is known as

(A) Biosystematics

(B) Cytotaxonomy

(C) Phenetics

(D) Chemotaxonomy

Option – (c)

Q 21.: Viruses posses

(A) DNA only

(B) Nucleic acid, DNA or RNA

(C) Protein only

(D) Nucleic acid and protein

Option – (d)

Q 22.: Systema Naturae is written by

(A) Linnaeus 

(B) Aristotle

(C) Hippocrates

(D) Darwin

Option – (a)

Q 23.: Two kingdoms constantly figured in all biological classification are

(A) Plantae and Animalia

(B) Monera and Animalia

(C) Protista and Animalia

(D) Protista and Plantae

Option – (a)

Q 24.: The term ‘ bacteria’ was coined by

(A) Leeuwenhoek

(B) Louis Pasteur

(C) Robert Koch

(D) Ehrenberg

Option – (a)

Q 25.: The nonliving characteristics of viruses are

          (A) Ability to multiply only in the host

(B) Ability to cause disease in the host

(C) Ability to undergo mutation

(D) Ability to crystallised

Option – (b)

Q 26.: A phylum common to unicellular animals and plants is

(A) Monera 

(B) Plantae

(C) Fungi

(D) Protista

Option – (d)

Q 27.: Natural system of classification was given by

(A) Carolus Linnaeus 

(B) George Bentham and Joseph Dalton Hooker

(C) Hutchinson

(D) Ernst Haeckel

Option – (b)

Q 28.: The prokaryotic cells are characterised by

(A) Presence of distinct nuclear membrane

(B) Absence of chromatic materials

(C) Presence of distinct chromosome

(D) Absence of nuclear membrane

Option – (d)

Q 29.: Which one of the following is correctly matched?

(A) National Institute of Virology – Pune

(B) National Institute of Communicable Disease – Lucknow

(C) Central Drug Research Institute – Kasauli

(D) National Institute of Nutrition – Mumbai 

Option – (a)

Q 30.: HIV is classified as a retrovirus because its genetic information is carried in

(A) DNA instead of RNA 


(C) RNA instead of DNA

(D) Protein coat

Option – (c)

Q 31.: Which of the statements is correct ?

(A) Viruses are obligate parasites

(B) All fungi are pathogenic

(C) All algae are eukaryotes

(D) Bacteria are always harmful to mankind

Option – (a)

Q 32.: A  “T- series  bacteriophage” can be recoganised y its 

(A) Tadpole shape

(B) Rounded shape 

(C) Irregular shape

(D) Rhombiodal shape

Option – (a)

Q 33.: Infectious proteins are present in

(A) Gemini viruses

(B) Prions

(C) Viroids

(D) Satellite viruses

Option – (b)

Q 34.: Virus envelope is known as

(A) Capsid

(B) Virion 

(C) Nucleoprotein

(D) Core

Option – (a)

Q 35.: Bacteriophage kill

(A) Fungi

(B) Parasites

(C) Bacteria

(D) Viruses

Option – (c)

Q 36.: Which one of the following viruses contains both DNA and RNA?

(A) Cyanophage  

(B) Herpes virus

(C) Leuko virus

(D) Polio virus

Option – (c)

Q 37.: Viral genome incorporated into host DNA is called

(A) Prophase

(B) Prophage

(C) Bacteriophage

(D) None of the above

Option – (b)

Q 38.: Viruses that infect bacteria, multiply and cause their lysis are

(A) Lysozymes 

(B) Lipolytic

(C) Lytic

(D) Lysogenic

Option – (c)

Q 39.: Binomial nomenclature was first issued in

(A) Systema Naturae

(B) Genera Plantarium

(C) Genera Animalium

(D) Historia Plantarium

Option – (a)

Q 40.: Five kingdom system to classify living beings was given by

(A) J.B.S Haldane 

(B) G.G. Simpson

(C) E. Mayr

(D) R.H. Whittaker

Option – (d)


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We hope that these Chapter 2 Biological Classification MCQs for Class 11 Biology helped you in learning new concepts. All questions are based on NCERT syllabus and some of them have been asked in various competitive exams. You can go to the next pages to practice more for Chapter 2 Biological Classification MCQs for Class 11 Biology, click on the question range given above.

Also you can practice Class 11 Biology MCQs (Multiple Choice Questions) for other chapters.