NCERT Class 11 Chapter 2 Biology Biological Classification MCQ

NCERT Class 11 Chapter 2 Biology Biological Classification MCQ | Questions & Answers: Aspirants should check out this article to attempt the NCERT Class 11 Chapter 2 Biology Biological Classification MCQ Quiz. After attempting the Multiple Choice Questions kindly know your final grade and marks & ultimately know where you can improve.

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1. Which of the following processes are involved in the reproduction of protista?

A. Cell fusion and zygote formation

B. Spore formation and fragmentation

C. Budding and spore formation

D. Binary fission and fragmentation

2. Bacteria is a group of prokaryotic organisms which is characterised by

A. All of the above

B. Simple structure and complex behaviour

C. 70 S ribosomes

D. Peptidoglycan cell wall

3. What may be a 'photosynthetic protistian' to one biologist may be 'a plant' to another? Which of the given below features of slime moulds shows linkage with plant?

A. Slime moulds have cellulosic spore wall

B. Formation of fruiting bodies

C. Presence of diverse sexual reproduction

D. Presence of holozoic nutrition

4. Choose the correct match

A. Desmids – Chrysophytes

B. Gymnodinium – Hemicellulosic plates in wall

C. Euglena – Chlorophyll a & c

D. Gonyaulax – Red sea

5. Nuclear dimorphism is shown by

A. Paramecium

B. Plasmodium

C. Amoeba

D. Trypanosoma

6. Most common type of genetic material present in bacteriophages is

A. ds DNA

B. ds RNA

C. ss RNA

D. ss DNA

7. Which of the following statement about Mycoplasma is true:

A. They differ from viruses in being cellular in organisation

B. Insensitive to several antibiotics as they have 70S ribosomes

C. They can survive without photosynthetic pigments and genetic material

D. They are smallest, disease causing thin walled organisms

8. Eubacteria can be differentiated from archaebacteria on the basis of

A. Cell wall

B. Ribosomes

C. Gene of tRNA

D. Nutrition

9. Phenetic classification of organisms is based on

A. Observable characteristics of existing organisms

B. The ancestral lineage of existing organisms

C. Dendogram based on DNA characteristics

D. Sexual characteristics

10. The practical purpose of classification of living organisms is to

A. facilitate identification of unknown organisms

B. name the living organisms

C. trace the evolution of living organisms

D. explain the origin of living organisms

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11. A system of classification in which a large number of traits are considered, is

A. natural system

B. synthetic system

C. artificial system

D. phylogenetic system

12. In five kingdom system, the main basis of classification is

A. mode of nutrition

B. asexual reproduction

C. structure of nucleus

D. structure of cell wall

13. Phenetic classification is based on

A. Observable characteristics of existing organisms

B. Dendrograms based on DNA characteristics

C. The ancestral lineage of existing organisms

D. Sexual characteristics

14. In which kingdom would you classify the archaebecteria and nitrogen-fixing organisms. If the five-kingdom system of classification is used ?

A. Monera

B. Fungi

C. Plantae

D. Protista

15. On how many criteria living organisms have been classified into five kingdoms ?

A. Four

B. Three

C. Two

D. Five

16. First true phylogenetic system of classification was given by

A. Engler and Prantl

B. de Candolle

C. Eichler

D. de Jussiaeu

17. Which of the following is not correctly matched?

A. Covered smut of barley - Ustilago nuda

B. Late blight of potato - Phytophthora infestans

C. Smut of bajra - Tolysporium penicillariae

D. Root knot disease - Meloidogyne javanica

18. Which one of the following character was not used by R.H. Whittaker for biological classification ?

A. Physiological characters

B. Thallus organisation

C. Phylogenetic relationships

D. Cell structure

19. ‘Comma’ shaped bacteria are known as

A. vibrio

B. spiral

C. coccus

D. spirillum

20. Basic unit or smallest taxon of taxonomy/ classification is

A. species

B. kingdom

C. family

D. variety

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21. Linnaeus evolved a system of nomenclature called

A. mononomial

B. vernacular

C. binomial

D. polynomial

22. A taxon is

A. a group of related families

B. a group of related species

C. a type of living organisms

D. a taxonomic group of any ranking

23. An important criterion for modern day classification is

A. resemblances in Morphology

B. anatomical and physiological traits

C. breeding habits

D. presence or absence of notochord

24. Sequence of taxonomic categories is

A. class-phylum-tribe-order-family-genusspecies

B. division-class-family-tribe-order-genusspecies

C. division-class-order-family-tribe-genusspecies

D. phylum-order-class-tribe-family-genusspecies

25. The term “Phylum” was given by

A. Cuvier

B. Haeckel

C. Theophrastus

D. Linnaeus