1.

    The intricate siliceous cell walls of diatoms are composed of two overlapping halves. What is the specific term used to describe these halves?

    A

    Thecae

    B

    Loricae

    C

    Frustules

    D

    Tests

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Protista
    🎓 Ncert Level:Remembering
    🎯Difficulty :Hard
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Protista, Diatoms, Cell wall

    Related Questions

    1.

    Select the wrong statement.

    A

    Diatoms are microscopic and float passively in water.

    B

    The walls of diatoms are easily destructible.

    C

    ‘Diatomaceous earth’ is formed by the cell walls of diatoms.

    D

    Diatoms are chief producers in the oceans.

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Protista
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    âš¡ Time Required :2 mins
    🔄Ncert Concepts :diatoms, diatomaceous earth, primary producers, cell walls

    2.

    Which of the following organisms are known as chief producers in the oceans ?

    A

    Euglenoids

    B

    Dinoflagellates

    C

    Cyanobacteria

    D

    Diatoms

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Protista
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Marine biology, Primary producers, Plankton

    3.

    Chief producers in oceans are

    A

    Golden brown algae

    B

    Diatoms

    C

    Dinoflagellates

    D

    Euglenoids

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Protista
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Marine biology, Primary producers, Phytoplankton

    4.

    Which of the following organisms are known as chief producers in the oceans ?

    A

    Euglenoids

    B

    Dinoflagellates

    C

    Cyanobacteria

    D

    Diatoms

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Protista
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Marine Biology, Primary Producers, Phytoplankton

    5.

    Chief producers in the ocean are:

    A

    Slime moulds

    B

    Bacteria

    C

    Zooplankton

    D

    Diatoms

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Protista
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    âš¡ Time Required :1 mins
    🔄Ncert Concepts :Marine Biology, Food Webs, Primary Producers

    company logo

    NEET Subjects

    Our Bots

    Company