1.

    Thermococcus,Methanococcus and Methanobacterium exemplify

    A

    Archaebacteria that contain protein homologous to eukaryotic core histones

    B

    Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled

    C

    Bacteria whose DNA is relaxed or positively supercoiled but, which have a cytoskeleton as well as mitochondria

    D

    Bacteria that contain a cytoskeleton and ribosomes

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Archaebacteria, Histones, Eukaryotic core histones, DNA structure

    Related Questions

    1.

    Certain bacteria living in the soil poor in oxygen, convert nitrates into nitrites and then to free nitrogen and such bacteria are termed as

    A

    Nitrogen fixing bacteria

    B

    Denitrifying bacteria

    C

    Ammonifying bacteria

    D

    Saprophytic bacteria

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Nitrogen cycle, Denitrification, Bacteria

    2.

    Bacterium which reduces nitrates in soil to nitrogen is

    A

    Nitrosomonas

    B

    Pseudomonas

    C

    Rhizobium

    D

    Clostridium

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Denitrification, Soil bacteria, Nitrogen cycle

    3.

    Which of the following statements regarding Mycoplasma is INCORRECT?

    A

    They can pass through filters smaller than 1 micron.

    B

    They are considered the smallest living cells.

    C

    They lack a cell wall.

    D

    They possess a rigid cell wall.

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    PYQ YEAR: 2022
    🎓 Ncert Level:Understanding
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Cell Structure, Bacteria, Mycoplasma

    4.

    Which of the following diseases are caused by bacteria?

    I. Flu II. Cholera

    III. Typhoid IV. Tetanus

    Codes

    A

    I, II and III

    B

    II, III and IV

    C

    I, III and IV

    D

    I, II, III and IV

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Bacterial diseases, Pathogens, Disease classification

    5.

    Lysozyme that is present in saliva and tears destroys

    A

    Certain fungi

    B

    Certain types of bacteria

    C

    All viruses

    D

    Most virus infected cells

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Lysozyme, Immune System, Antimicrobial Agents

    6.

    Analyse the following statements regarding cyanobacteria and identify the correct option given below

    I. The cyanobacteria are unicellular, colonial or filamentous, marine or terrestrial algae

    II. The colonies of cyanobacteria are generally surrounded by gelatinous sheath

    Codes

    A

    Only I

    B

    Only II

    C

    I and II

    D

    None of these

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :cyanobacteria, morphology, habitat, colonial structure

    7.

    Thermococcus,Methanococcus and Methanobacterium exemplify

    A

    Archaebacteria that contain protein homologous to eukaryotic core histones

    B

    Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled

    C

    Bacteria whose DNA is relaxed or positively supercoiled but, which have a cytoskeleton as well as mitochondria

    D

    Bacteria that contain a cytoskeleton and ribosomes

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Archaebacteria, Histones, Eukaryotic core histones, DNA structure

    8.

    Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

    A

    Nostoc

    B

    Bacillus

    C

    Pseudomonas

    D

    Mycoplasma

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Cell structure, Pathogens, Anaerobic respiration, Mycoplasma

    9.

    Eubacteria is also known as

    A

    False bacteria

    B

    True bacteria

    C

    Archaebacteria

    D

    Heterotrophic bacteria

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Eubacteria, Taxonomy, Classification

    10.

    Which of the following is NOT a type of archaebacteria?

    A

    Cyanobacteria

    B

    Methanogens

    C

    Halophiles

    D

    Thermoacidophiles

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Monera
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :0.5 mins
    🔄Ncert Concepts :Monera, archaebacteria

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