MCQ Question for Class 11 Biology Chapter 2 Biological Classification

Students can refer to the following MCQ Questions for Class 11 Biological Classification with Answers provided below based on the latest curriculum and examination pattern issued by CBSE and NCERT. Our teachers have provided here collection of multiple choice questions for Biological Classification Class 11 covering all topics in your textbook so that students can assess themselves on all important topics and thoroughly prepare for their exams

Biological Classification Class 11 Biology MCQ Questions with Answers

We have provided below chapter wise MCQs questions for Class 11 Biological Classification with answers which will help the students to go through the entire syllabus and and practice multiple choice questions provided here with solutions. As Biological Classification MCQs in Class 11 pdf download can be really scoring for students, you should go thorough all problems provided below so that you are able to get more marks in your exams.

MCQ Questions for Class 11 Biological Classification

Question. Five kingdom system of classification suggested by R.H. Whittaker is not based on   
(a) presence or absence of a well defined nucleus
(b) mode of reproduction
(c) mode of nutrition
(d) complexity of body organisation.

Question. Pick up the wrong statement. 
(a) Some fungi are edible.
(b) Nuclear membrane is present in Monera.
(c) Cell wall is absent in Animalia.
(d) Protists have photosynthetic and heterotrophic modes of nutrition.

Question. Basophilic prokaryotes   
(a) grow and multiply in very deep marine sediments
(b) occur in water containing high concentrations of barium hydroxide
(c) readily grow and divide in sea water enriched in any soluble salt of barium
(d) grow slowly in highly alkaline frozen lakes at high altitudes.

Question. In five kingdom system, the main basis of classification is 
(a) structure of nucleus
(b) mode of nutrition
(c) structure of cell wall
(d) asexual reproduction.

Question. Which one of the following statements about mycoplasma is wrong?   
(a) They are pleomorphic.
(b) They are sensitive to penicillin.
(c) They cause diseases in plants.
(d) They are also called PPLO.

Question. DNA replication in bacteria occurs   
(a) within nucleolus
(b) prior to fission
(c) just before transcription
(d) during S phase.

Question. Select the wrong statement.   
(a) The walls of diatoms are easily destructible.
(b) ‘Diatomaceous earth’ is formed by the cell walls of diatoms.
(c) Diatoms are chief producers in the oceans.
(d) Diatoms are microscopic and float passively in water.

Question. Azotobacter and Bacillus polymyxa are the examples of   
(a) pathogenic bacteria
(b) decomposers
(c) symbiotic N2 fixer
(d) non-symbiotic N2 fixer.

Question. Which fungal disease spreads by seed and flowers?   
(a) Loose smut of wheat
(b) Corn smut
(c) Covered smut of barley
(d) Soft rot of potato

Question. Archaebacteria differ from eubacteria in   
(a) cell membrane structure
(b) mode of nutrition
(c) cell shape
(d) mode of reproduction.

Question. Infective stage of Entamoeba histolytica is:
(a) Pre-cyst
(b) Tetranucleate cyst
(c) Uninucleate cyst
(d) Trophozoite

Question. Seeding ponds with Gambusia fish is an example of:
(a) Parasitism
(b) Biocontrol
(c) Hyperparasitism
(d) Both (a) and (b)

Question. Which of the following there is no mention in Whittaker’s classification?
(a) Virus
(b) Viroids
(c) Lichens
(d) All of these

Question. Passive food ingestion in Amoeba is known as
(a) Import
(b) Invagination
(c) Circumfluence
(d) Circumvallation

Question. Four kingdom system of classification was proposed by:
(a) Whittaker
(b) Copeland
(c) Linnaeus
(d) Oswald Tippo

Question. Euglena stores food as:
(a) Paramylum
(b) Starch
(c) Fat
(d) Protein

Question. Which of the following can be used as bacteriological filter?
(a) Cymbella
(b) Batrachospermum
(c) Oscillatoria
(d) Gelidium

Question. Biochemical resemblances are used in the identification of:
(a) Protistan species
(b) Moneran species
(c) Fungal species
(d) Higher plants

Question. Currently bacteria are included in:
(a) Thallophyta
(b) Monera
(c) Mycota
(d) Protista

Question. An obligate anaerobe is:
(a) Ulothrix
(b) Methane bacteria
(c) Spirogyra
(d) Onion

Question. Which characteristic placed the fungi in a separate kingdom?
(a) Cell wall composition
(b) Cell wall structure
(c) Nutrition
(d) Nuclear membrane

Question. Peptidoglycan / Murein is present in the cell wall of
(a) Animals
(b) Plants
(c) Fungi
(d) Bacteria

Question. Match the following
(a) Peritrichous              1. One flagella at one end
(b) Monotrichous            2. Tuft of flagella at one end
(c) Amphitrichous          3. Two flagella at one end
(d) Lopptrichous            4. Present on entrire surface
(a) A-4 B-2 C-3 D-1
(b) A-4 B-3 C-2 D-1
(c) A-4 B-1 C-3 D-2
(d) A-4 B-2 C-1 D-3

Question. Old name of Blue green algae:
(a) Cyanobacteria
(b) Myxophyceae
(c) Spectrum algae
(d) None of these

Question. New name of Blue green algae:
(a) Chlorella
(b) Spirulina
(c) Cyanobacteria
(d) None of these

Question. Which of the following is aerobic in nature?
(a) Halophiles
(b) Methanogens
(c) Thermoacidophiles
(d) None of these

Question. Which of the pigment present in cyanobacteria?
(a) Chlorophyll ‘a’
(b) Chlorophyll ‘b’
(c) Chlorophyll ‘c’
(d) Xanthophylls

Question. What is not connected with reproduction of protozoans?
(a) Cryptogamy
(b) Autogamy
(c) Schizogamy
(d) Conjugation

Question. Colonies of Eubacteria is surrounded by
(a) Polysaccharide sheath
(b) Gelatinous sheath
(c) Mucous sheath
(d) None of these

Question. Which of these is a bacterial disease?
(a) Chlorella
(b) Measles
(c) Citrus canker
(d) Both (a) & (c)

Question. Who is the Joker of plant kingdom?
(a) Mycoplasma
(b) Chlorella
(c) Chlamydomonas
(d) Spirullina

Question. Mycoplasma is:
(a) Insensitive to penicillin, sensitive to tetracycline
(b) Insensitive to tetracycline, sensitive to penicillin
(c) Sensitive to both penicillin & tetracycline
(d) None of these

Question. Plasmids was given by
(a) Tatum
(b) Lederberg
(c) Zinder
(d) Griffith

Question. Which type of plasmid contains Antibiotic resistance gene?
(a) “R”- factor
(b) “S”- factor
(c) “G” – factor
(d) “r” – factor

Question. Match the following
(a) Conjugation                    1. Lederberg & Tatum
(b) Transformation              2. Zinder & Lederberg
(c) Transduction                  3. Fredrick Griffith
(a) A-1 B-3 C-2
(b) A-3 B-1 C-2
(c) A-2 B-3 C-1
(d) A-2 B-1 C-3

Question. Difference in Gram positive and Gram negative bacteria is due to   
(a) cell wall
(b) cell membrane
(c) ribosome
(d) cytoplasm.

Question. Which one of the following is wrong for fungi? 
(a) They are eukaryotic.
(b) All fungi possess a purely cellulosic cell wall.
(c) They are heterotrophic.
(d) They are both unicellular and multicellular.

Question. Puccinia forms uredia and   
(a) telia on wheat leaves 
(b) aecia on barberry leaves
(c) pycnia on barberry leaves
(d) aecia on wheat leaves.

Question. Which of the following statements is incorrect? 
(a) Prions consist of abnormally folded proteins.
(b) Viroids lack a protein coat.
(c) Viruses are obligate parasites.
(d) Infective constituent in viruses is the protein coat.

Question. The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as   
(a) cyanobacteria
(b) archaebacteria
(c) chemosynthetic autotrophs
(d) heterotrophic bacteria.

Question. Bacteria lack alternation of generation because there is 
(a) neither syngamy nor reduction division
(b) distinct chromosomes are absent
(c) no conjugation
(d) no exchange of genetic material.

Question. Which of the following shows coiled RNA strand and capsomeres? 
(a) Polio virus
(b) Tobacco mosaic virus
(c) Measles virus
(d) Retrovirus

Question. Many blue-green algae occur in thermal springs (hot-water springs). The temperature tolerance of these algae have been attributed to their
(a) mitochondrial structure
(b) importance of homopolar bonds in their proteins
(c) cell wall structure
(d) modern cell organization.

Question. The main role of bacteria in the carbon cycle involves   
(a) chemosynthesis
(b) digestion or breakdown of organic compounds
(c) photosynthesis
(d) assimilation of nitrogenous compounds.

Question. Which of the following is a fungus?   
(a) Nostoc
(b) E. coli
(c) Yeast
(d) Chara

Question. Bacterial leaf blight of rice is caused by a species   
(a) Alternaria
(b) Erwinia
(c) Xanthomonas
(d) Pseudomonas.

Question. Cell wall is absent in   
(a) Mycoplasma
(b) Nostoc
(c) Aspergillus
(d) Funaria.

Question. Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?   
(a) Paramecium and Plasmodium belong to the same kingdom as that of Penicillium.
(b) Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan.
(c) Yeast used in making bread and beer is a fungus.
(d) Nostoc and Anabaena are examples of protista.

Question. Which of the following organisms possesses characteristics of a plant and an animal?   
(a) Euglena
(b) Paramecium
(c) Bacteria
(d) Mycoplasma

Question. Transduction in bacteria is mediated by   
(a) plasmid vectors
(b) phage vectors
(c) cosmids
(d) F-factors.

Question. Plasmodium, the malarial parasite, belongs to class   
(a) sarcodina
(b) ciliata
(c) sporozoa
(d) dinophyceae.

Question. In which group of organisms the cell walls form two thin overlapping shells which fit together?
(a) Dinoflagellates
(b) Slime moulds
(c) Chrysophytes
(d) Euglenoids

Question. There exists a close association between the alga and the fungus within a lichen. The fungus   
(a) provides protection, anchorage and absorption for the algae
(b) provides food for the alga
(c) fixes the atmospheric nitrogen for the alga
(d) releases oxygen for the alga.

Question. Which of the following organisms are known as chief producers in the oceans?   
(a) Dinoflagellates
(b) Diatoms
(c) Cyanobacteria
(d) Euglenoids

Question. Auxospores and hormogonia are formed, respectively, by   
(a) some diatoms and several cyanobacteria
(b) some cyanobacteria and many diatoms
(c) several cyanobacteria and several diatoms
(d) several diatoms and a few cyanobacteria.

Question. One of the major components of cell wall of most fungi is   
(a) cellulose
(b) hemicellulose
(c) chitin
(d) peptidoglycan.

Question. Which of the following statements is incorrect?   
(a) Yeasts have filamentous bodies with long thread like hyphae.
(b) Morels and truffles are edible delicacies.
(c) Claviceps is a source of many alkaloids and LSD.
(d) Conidia are produced exogenously and ascospores endogenously.

Question. Lichens are well known combination of an alga and a fungus where fungus has   
(a) a saprophytic relationship with the alga
(b) an epiphytic relationship with the alga
(c) a parasitic relationship with alga
(d) a symbiotic relationship with alga.

Question. Which of the following is a cyanobacterium ?   
(a) Nostoc
(b) Chara 
(c) E. coli
(d) Polysiphonia

Question. Which one of the following is true for fungi? 
(a) They lack a rigid cell wall.
(b) They are heterotrophs.
(c) They lack nuclear membrane.
(d) They are phagotrophs.

Question. What is the genetic material in influenza virus?   
(a) Double helical DNA
(b) RNA
(c) Single helix DNA
(d) None of these

Question. Single-celled eukaryotes are included in 
(a) protista
(b) fungi
(c) archaea
(d) monera.

Question. Which one is the wrong pairing for the disease and its causal organism? 
(a) Black rust of wheat-Puccinia graminis
(b) Loose smut of wheat-Ustilago nuda
(c) Root knot of vegetables-Meloidogyne sp.
(d) Late blight of potato-Alternaria solani

Question. Lichens indicate SO₂ pollution because they 
(a) show association between algae and fungi
(b) grow faster than others
(c) are sensitive to SO₂
(d) flourish in SO₂ rich environment.

Question. Franklin Conrat demonstrated that RNA is genetic material in:
a. HIV
b. TMV
c. CMV
d. Mouse Sarcoma

Question. Find the correct matches:

List I	List II
A. M13 bacteriophase	1. dsRNA
B. Rice Dwarf Virus	2. ssRNA
C. Cauliflower Mosaic Virus	3. ssDNA
D. Polio Virus	4. dsRNA

a. A-4 B-3 C-1 D-2
b. A-2 B-1 C-3 D-4
c. A-3 B-4 C-2 D-1
d. A-3 B-1 C-4 D-2

Question. Virion is a/an:
a. Virus
b. Enucleated virus
c. Prion
d. Virus without protein coat

Question. The technique of developing pure culture of bacteria was developed by:
a. J. Lister
b. L. Pasteur
c. R. Koch
d. A.V. Leeuwenhoek

Question. Majority of lichens are made of:
a. Blue-green algae and basidiomycetes
b. Brown algae and higher plants
c. Red algae and ascomycetes
d. Blue-green algae and ascomycetes

Image Based Questions

Question. What kind of reproduction is shown in this diagram?

Mode of Reproduction	Conditions
a. Budding	Favourable
b. Binary fission	Favourable
c. Spore formation	Unfavourable
d. Budding	Unfavourable

Question. Identify the bacterial shape given in the figure.

a. Bacilli
b. Cocci
c. Spirilla
d. Vibrio

Question. The given organism belongs to which group?

a. Protozoans
b. Chrystophytes
c. Euglenoids
d. Diatoms

Our teachers have developed really good Multiple Choice Questions covering all important topics in each chapter which are expected to come in upcoming tests and exams, as MCQs are coming in all exams now therefore practice them carefully to get full understanding of topics and get good marks. Download the latest questions with multiple choice answers for Class 11 Biological Classification in pdf or read online for free.

The above NCERT based MCQs for Class 11 Biological Classification have been designed by our teachers in such a way that it will help you a lot to gain an understanding of each topic. These CBSE NCERT Class 11 Biological Classification Multiple Choice Questions have been developed and are available free for benefit of Class 11 students.

Advantages of MCQ Questions for Class 11 Biological Classification with Answers

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Free Printable MCQs in PDF of CBSE Class 11 Biological Classification are designed by our school teachers and provide best study material as per CBSE NCERT standards.