1.

    Certain infectious particles lack nucleic acids yet cause diseases. Which of the following correctly describes the infectious agent and a disease it causes?

    A

    Viroids; Potato spindle tuber disease

    B

    Prions; Creutzfeldt-Jakob disease

    C

    Viruses; Tobacco mosaic disease

    D

    Lichens; Athlete's foot

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Prions, Diseases, Viruses, Viroids, Lichens

    Related Questions

    1.

    Lichens are ecologically important as they

    A

    Purify air

    B

    Are pioneers of ecological succession on Barren Rocks

    C

    Are symbionts of algae and fungi

    D

    Are Associated with Mycorrhizal roots

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :lichens, ecological succession, pioneer species

    2.

    Which characteristic allows lichens to thrive as pioneer species on bare rock?

    A

    Secretion of rock-dissolving acids

    B

    Deep root systems

    C

    Tolerance to shade

    D

    Dependence on organic matter

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    PYQ YEAR: 2016
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ecological Succession, Pioneer Species, Lichens, Adaptations

    3.

    Lichen is the pioneer vegetation on which succession?

    A

    Hydrosere

    B

    Lithosere

    C

    Psammosere

    D

    Mesosere

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ecological succession, pioneer species, sere

    4.

    Lichen is the pioneer vegetation on which succession?

    A

    Hydrosere

    B

    Lithosere

    C

    Psamosere

    D

    Xerosere

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ecological succession, pioneer species, lichen, sere

    5.

    Lichen is the pioneer vegetation on which succession?

    A

    Hydrosere

    B

    Lithosere

    C

    Psammosere

    D

    Mesosere

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ecological succession, pioneer species, sere

    6.

    Bare rock surfaces are initially colonized by organisms like lichens. What is the ecological term for such organisms?

    A

    Pioneer species

    B

    Climax community

    C

    Keystone species

    D

    Indicator species

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    PYQ YEAR: 2016
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ecological Succession, Pioneer Species

    7.

    The first organisms to colonise rocks are

    A

    Fungi

    B

    Lichens

    C

    Pteridophytes

    D

    Green 8

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ecological succession, pioneer species

    8.

    A place was rocky and barren but now there is a green forest, the sequence of origin is

    A

    Lichen, moss, herbs, shrubs

    B

    Moss, lichen, herbs, shrubs

    C

    Lichen, moss, shrubs, herbs

    D

    Shrubs, herbs, moss, lichen

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :ecological succession, pioneer species, plant community development

    9.

    Lichen is the pioneer vegetation on which succession?

    A

    Hydrosere

    B

    Lithosere

    C

    Psamosere

    D

    Xerosere

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ecological Succession, Pioneer Species, Lichen, Sere Types

    10.

    Which of the following organisms are typically the first to colonize bare rocks in primary succession?

    A

    Lichens

    B

    Mosses

    C

    Grasses

    D

    Shrubs

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    PYQ YEAR: 2016
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Ecological Succession, Pioneer Species, Lichens

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