Read and download free pdf of CBSE Class 11 Biology Biological Classification Assignments. Get printable school Assignments for Class 11 Biology. Class 11 students should practise questions and answers given here for Chapter 2 Biological Classification Biology in Class 11 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 11 Biology prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations
Assignment for Class 11 Biology Chapter 2 Biological Classification
Class 11 Biology students should refer to the following printable assignment in Pdf for Chapter 2 Biological Classification in Class 11. This test paper with questions and answers for Class 11 Biology will be very useful for exams and help you to score good marks
Chapter 2 Biological Classification Class 11 Biology Assignment
MCQ Questions Class 11 Biology Biological Classification :->
Question : The protists have
(a) only free nucleic acid aggregates
(b) membrane bound nucleoproteins lying embedded in the cytoplasm
(c) gene containing nucleoproteins condensed together in loose mass
(d) nucleoprotein in direct contact with the rest of the cell substance.
Answer : B
Question : In Amoeba and Paramecium osmoregulation occurs through
(a) pseudopodia
(b) nucleus
(c) contractile vacuole
(d) general surface.
Answer : C
Question : Plasmodium, the malarial parasite, belongs to class
(a) sarcodina
(b) ciliata
(c) sporozoa
(d) dinophyceae.
Answer : C
Question : Which is true about Trypanosoma?
(a) Polymorphic
(b) Monogenetic
(c) Facultative parasite
(d) Non-pathogenic
Answer : A
Question : Genetic information in Paramecium is contained in
(a) micronucleus
(b) macronucleus
(c) both micronucleus and macronucleus
(d) mitochondria.
Answer : A
Question : Trypanosoma belongs to Class
(a) Sarcodina
(b) Zooflagellata
(c) Ciliata
(d) Sporozoa.
Answer : B
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.
Answer : A
Question : Match column -I with column - II.
Column-I Column-II
A. Saprophyte (i) Symbiotic association of fungi with plant roots
B. Parasite (ii) Decomposition of dead organic materials
C. Lichens (iii) Living on living plants or animals
D. Mycorrhiza (iv) Symbiotic association of algae and fungi
Choose the correct answer from the options given below.
(A) (B) (C) (D)
(a) (ii) (iii) (iv) (i)
(b) (i) (ii) (iii) (iv)
(c) (iii) (ii) (i) (iv)
(d) (ii) (i) (iii) (iv)
Answer : A
Question : Which among the following is not a prokaryote?
(a) Saccharomyces
(b) Mycobacterium
(c) Nostoc
(d) Oscillatoria
Answer : A
Question : After karyogamy followed by meiosis, spores are produced exogenously in
(a) Neurospora
(b) Alternaria
(c) Agaricus
(d) Saccharomyces.
Answer : C
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.
Answer : B
Question : Which one of the following statements is wrong?
(a) Eubacteria are also called false bacteria.
(b) Phycomycetes are also called algal fungi.
(c) Cyanobacteria are also called blue-green algae.
(d) Golden algae are also called desmids.
Answer : A
Question : One of the major components of cell wall of most fungi is
(a) cellulose
(b) hemicellulose
(c) chitin
(d) peptidoglycan.
Answer : C
Question : The imperfect fungi which are decomposers of litter and help in mineral cycling belong to
(a) Phycomycetes
(b) Ascomycetes
(c) Deuteromycetes
(d) Basidiomycetes.
Answer : C
Question : Choose the wrong statement.
(a) Morels and truffles are poisonous mushrooms.
(b) Yeast is unicellular and useful in fermentation.
(c) Penicillium is multicellular and produces antibiotics.
(d) Neurospora is used in the study of biochemical genetics.
Answer : A
Question : Which one of the following matches is correct?
(a) Mucor Reproduction by conjugation Ascomycetes
(b) Agaricus Parasitic fungus Basidiomycetes
(c) Phytophthora Aseptate mycelium Basidiomycetes
(d) Alternaria Sexual reproduction absent Deuteromycetes
Answer : D
Question : Which one of the following fungi contains hallucinogens?
(a) Morchella esculenta
(b) Amanita muscaria
(c) Neurospora sp.
(d) Ustilago sp.
Answer : B
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.
Answer : B
Question : The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of
(a) Taenia, a tapeworm
(b) Wuchereria, a filarial worm
(c) Rhizopus, a mould
(d) Ascaris, a round worm.
Answer : C
Question : Single-celled eukaryotes are included in
(a) protista
(b) fungi
(c) archaea
(d) monera.
Answer : A
Question : Membrane-bound organelles are absent in
(a) Saccharomyces
(b) Streptococcus
(c) Chlamydomonas
(d) Plasmodium.
Answer : B
Question : Black (stem) rust of wheat is caused by
(a) Alternaria solani
(b) Ustilago nuda
(c) Puccinia graminis
(d) Xanthomonas oryzae.
Answer : C
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
Answer : D
Question : All the bacteria fix nitrogen except …
Question : The region where bacterial genome resides is termed as
Question : Fungi which grow in dung are termed as
Question : All fungi are
Question : Who is the father of Taxonomy among the following
Question : Halophiles is also called …..
Question : By how many criteria ,living organisms have been classified into five kingdom.
Question : Prokaryotes are included in the kingdom ….
Question : Viroids were discovered by …
Question : The name virus was given by …
Question : Virus have….
Question : A virus contains
Question : The main structural component of virus is …
Question : Protista include…
Question : The study of fungi is …
Question : Fungus cell wall is made up of…..
Question : In Fungi reserved food materials are …..
Question : Study of lichens is called …..
Question : In lichens fungal component is known as …..
Question : The plant cell without chloroplast is ….
Question : Symbiotic relationship is found in ….
Question : Plant of this group possess naked seed
Question : Which sentence is true for Bryophytes ?
Question : The first land plant on earth was…………..
Question : The tallest living tree in the world is …………..
Question : The smallest gymnosperm is ………
Question : Xerophytic characters are present in ……………………..
Question : Microsporophyll :stamen then Megasporophyll:……………
Question : Which of the fossil member?
Question : The biggest and dominant group is……
Question : pre-fertilized endosperms is characterstics of ……
Question : Class dicotyledon is divided into….
Question : Who classified angiosperms into two classes,…
Question : Presence of rigid cell wall is characterized by kingdom…
Question : The tallest living tree of angiosperm is …
Question : If the seeds are formed from the megasporophylls and not enclosed in a fruits the plant belongs to
Question : Embryo is not formed in …
Question : Which classification system had been given whittaker ?
Question : A: lichen shows symbiotic relationship between algae and fungi
Question : African sleeping sickness is caused by
Question : Extra chromosomal,circular ,double stranded ,self replicating DNA molecule in bacteria is called
Question : Membranous infolding in bacteria that initiate DNA replication is
Question : Example of blue green algae is in
Question : TMV virus was discovered by
Question : On the basis of structural form lichen are..
Question : Fruiting body is characteristic of…
Question : Viroid was discovered by
(a) Ernst Mayr
(b) Norman E. Borlaug
(c) T. O. Diener
(d) None of these
Answer. C
Question : Lichens are very good pollution indicator because they are sensitive to
(a) Sulfur trioxide
(b) Sulfur dioxide
(c) Carbon dioxide
(d) Global warming
Answer. B
Question : Match the following
(a) Saxicolous lichen 1. Grows on tree bark
(b) Corticolous lichen 2. Grows on soil
(c) Terricolous lichen 3. Grows on rock
(a) A-3 B-1 C-2
(b) A-3 B-2 C-1
(c) A-2 B-3 C-1
(d) A-1 B-3 C-2
Answer. A
Question : Coliphase ϕ × 174 virus contains:
(a) Single stranded RNA
(b) Single stranded DNA
(c) Double stranded RNA
(d) Double stranded DNA
Answer. B
Question : In Rous Sarcoma Virus information flow is:
(a) RNA → cDNA → Protein
(b) cDNA → RNA → Protein
(c) RNA → cDNA → Protein
(d) cDNA → Protein → RNA
Answer. A
Question : Reverse transcriptase is:
(a) RNA dependent DNA polymerase
(b) DNA dependent RNA polymerase
(c) DNA dependent DNA polymerase
(d) RNA dependent RNA polymerase
Answer. A
Question : Tailed bacteriophage is:
(a) Motile on surface of plant leaves
(b) Actively motile in water
(c) Motile on bacterial surface
(d) Nonmotile
Answer. D
Question : T-bacteriophages possess:
(a) Rounded shape
(b) Irregular shape
(c) Tadpole shape
(d) Rhomboid shape
Answer. C
Question : Virus was discovered by:
(a) Stanley
(b) Herellel
(c) Ivanowski
(d) Beijerinck
Answer. C
Question : Circular single stranded DNA occurs bacteriophage:
(a) T2, T4
(b) T3, ϕ6
(c) ϕ × 174, M13
(d) δ, T5
Answer. C
Question : Franklin Conrat demonstrated that RNA is genetic material in:
(a) HIV
(b) TMV
(c) CMV
(d) Mouse Sarcoma
Answer. B
Question : RNA retroviruses have a special enzyme that:
(a) Transcribles viral RNA to cDNA
(b) Translates host DNA
(c) Disintegrates host DNA
(d) Polymerises host DNA
Answer. A
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
Answer. D
Question : Severe Acute respiratory syndrome (SARS):
(a) Is caused by a variant of common cold virus (Corona virus)
(b) Is an acute form of asthma
(c) Affects non-vegetarians faster than vegetarians
(d) Is caused by a variant of Pneumococcus pneumoniae
Answer. A
Question : Virion is a/an:
(a) Virus
(b) Enucleated virus
(c) Prion
(d) Virus without protein coat
Answer. A
Question : Potato Spindle Tuber disease is caused due to:
(a) Viroid
(b) Virus
(c) Bacterium
(d) Nematode
Answer. A
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
Answer. B
Question : The smallest organisms which cause diseases among plants are:
(a) Mycoplasma
(b) Fungi
(c) Bacteria
(d) Viruses
Answer. A
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
Answer. D
Question : Match c correct option using the codes given below:
Column-I Column-II
(a) Pistils fused together 1. Gametogenesis
(b) Formation of gametes 2. Pistillate
(c) Hyphae of higher Ascomycetes 3. Syncarpous
(d) Unisexual female flower 4. Dikaryotic
(a) A-1 B-2 C-4 D-3
(b) A-3 B-1 C-4 D-2
(c) A-4 B-3 C-1 D-2
(d) A-2 B-1 C-4 D-3
Answer : B
Question : One of the major components of cell wall of most fungi is:
(a) Chitin
(b) Peptidoglycan
(c) Cellulose
(d) Hemicellulose
Answer : A
Question : A location with luxuriant growth of lichens on the trees indicate that the
(a) Location is not polluted
(b) Trees are very healthy
(c) Trees are heavily infested
(d) Location is highly polluted
Answer : A
Question : Male gametes are flagellated in:
(a) Ectocarpus
(b) Spirogyra
(c) Polysiphonia
(d) Anabaena
Answer : A
Question : Which one of the following matches is correct?
(a) Mucor Reproduction by Conjugation Ascomycetes
(b) Agaricus Parasitic fungus Basidiomycetes
(c) Phytophthora Aseptate mycelium Basidiomycetes
(d) Alternaria Sexual reproduction absent Deuteromycetes
Answer : D
Question : True nucleus is absent in:
(a) Vaucheria
(b) Volvox
(c) Anabaena
(d) Mucor
Answer : C
Question : Cell wall is absent in:
(a) Funaria
(b) Mycoplasma
(c) Nostoc
(d) Aspergillus
Answer : B
Question : The imperfect fungi which are decomposer of litter and help in mineral cycling belong to:
(a) Basidiomycetes
(b) Phycomycetes
(c) Ascomycetes
(d) Deuteromycetes
Answer : D
Question : Five kingdom system of classification suggested by R.H.Whittaker is not based on:
(a) Complexity of body organization
(b) Presence or absence of a well defined nucleus
(c) Mode of reproduction
(d) Mode of nutrition
Answer : B
Question : Archaebacteria differ from Eubacteria in:
(a) Mode of reproduction
(b) Cell membrane structure
(c) Mode of nutrition
(d) Cell shape
Answer : B
Question : Read the following five statements (A - E) and answer as asked next to them.
(a) In Equisetum, the female gametophyte is retained on the parent sporophyte.
(b) In Ginkgo male gametophyte is not independent.
(c) The sporophyte in Riccia is more developed than that in Polytrichum.
(d) Sexual reproduction in Volvox is isogamous.
E. The spores of slime molds lack cell walls. How many of the above statements are correct?
(a) Two
(b) Three
(c) Four
(d) One
Answer : D
Question : How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas,Nitrobacter, Streptomyces, Saccharomyces,Trypanosoma, Porphyra, Wolfia:
(a) Four
(b) Five
(c) Six
(d) Three
Answer : C
Question : Nuclear membrane is absent in:
(a) Nostoc
(b) Penicillium
(c) Agaricus
(d) Volvox
Answer : A
Question : Which is common about Trypanosoma, Noctiluca,Monocystis and Giardia?
(a) They are all parasites
(b) They are all unicellular protists
(c) They have flagella
(d) They produce spores
Answer : B
Question : Auxospores and hormocysts are formed respectively by:
(a) Some diatoms and several Cyanobacteria
(b) Some Cyanobacteria and several diatoms
(c) Several Cyanobacteria and several diatoms
(d) Several diatoms and a few Cyanobacteria
Answer : D
Question : Barophilic prokaryotes:
(a) Occur in water containing high concentration of barium hydroxide
(b) Grow slowly in alkaline frozen lakes at high altitude
(c) Grow and multiply in very deep marine sediments
(d) Readily grow and divide in sea water enriched with soluble salt of barium.
Answer : A
Question : Phenetic classification of organisms is based on:
(a) The ancestral lineage of existing organisms
(b) Dendogram based on DNA characteristics
(c) Sexual characteristics
(d) Observable characteristics of existing organisms
Answer : D
Question : Viruses are no more “alive” than isolated chromosomes because:
(a) They require both RNA and DNA
(b) They both need food molecules
(c) They both require oxygen for respiration
(d) Both require the environment of a cell to replicate
Answer : D
Question : The chief advantage of encystment to an Amoeba is:
(a) The ability to survive during adverse physical conditions
(b) The ability to live for some time without ingesting food
(c) Protection from parasites and predators
(d) The chance to get rid of accumulated waste products
Answer : A
Question : Lipids are insoluble in water because lipids molecules are:
(a) Hydrophilic
(b) Hydrophobic
(c) Neutral
(d) Zwitter ions
Answer : B
Question : Difference in Gram +ve and Gram -ve bacteria is due to:
(a) Cell wall
(b) Cell membrane
(c) Ribosome
(d) Cytoplasm
Answer : A
Question : What is true for cyanobacteria?
(a) Oxygenic with nitrogenase
(b) Oxygenic without nitrogenase
(c) Non oxygenic with nitrogenase
(d) Non oxygenic without nitrogenase
Answer : A
Question : Indicator of water pollution:
(a) E. Coli
(b) Chlorella
(c) Beggiatoa
(d) Ulothrix
Answer : A
Question : Nucleic acid in HIV:
(a) ssRNA
(b) dsRNA
(c) ssDNA
(d) dsDNA
Answer : A
Question : Which of the following survives a temperature of 104°C to 106°C?
(a) Marine Archaebacteria
(b) Hot water spring thermophiles
(c) Seeds of angiosperms
(d) Eubacteria
Answer : B
Question : Transduction in bacteria carried out by:
(a) Bacteriophage
(b) (b)G.(a)
(c) Mycoplasma
(d) Rickettsiae
Answer : A
Question : The site of respiration in bacteria is:
(a) Ribosome
(b) Microsome
(c) Episome
(d) Mesosome
Answer : D
Question : Which are the sex organs provided in some bacteria?
(a) Sex pili
(b) Plasmid
(c) Circular DNA
(d) Gametes
Answer : A
Question : The tailed bacteriophages are:
(a) Motile on surface of bacteria
(b) Non-motile
(c) Motile onsurface of plant leaves
(d) Actively motile in water
Answer : B
Question : The black rust of wheat in a fungal disease caused by:
(a) Albugo candida
(b) Puccinia graminis tritici
(c) Melampsora lini
(d) Claviceps purpurea
Answer : B
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CBSE Class 11 Biology Chapter 2 Biological Classification Assignment
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Assignment for Biology CBSE Class 11 Chapter 2 Biological Classification
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Chapter 2 Biological Classification Assignment Biology CBSE Class 11
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Chapter 2 Biological Classification Assignment CBSE Class 11 Biology
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CBSE Biology Class 11 Chapter 2 Biological Classification Assignment
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