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Standard VIII
Biology
Endoplasmic Reticulum and Ribosomes
Are Cilia and...
Question
Are cilia and flagella organelles?
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Solution
Cilia
Cilia are hair-like short extensions of the cell with a length of around 5-10 micrometers.
They are predominantly found in eukaryotic cells.
They are present all over the cell and exhibit coordinated perpendicular stroking or sweeping movements.
They help in feeding, circulation, locomotion, and other similar processes.
Flagella
Flagella are long whip-like structures with a length of around 150 micrometers.
They are found in both eukaryotes and prokaryotes.
They are usually present at one end of a cell and exhibit independent and undulatory movement.
Cilia and flagella are important cell organelles that play essential roles in locomotion.
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Name the cell organelles that participate in cell division and in the formation of cilia and flagella of some eukaryotic cells.
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Cilia and flagella are
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Which of the following organelles lack membrane in eukaryotic cell?
A. Cilia B. Lysosome
C. RER D. Ribosomes
E. Flagella F. Centrioles
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Cilia and flagella are outgrowth of
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Read the following statements:
(i) Cilia and flagella work like oars
(ii) Cilia are relatively longer than flagella
(iii) Prokaryotic and eukaryotic flagella are structurally similar
(iv) Cilia and flagella are covered with plasma membrane in eukaryotes
(v) The core of cilia/flagella is called axoneme which has nine pairs of doublets or radially arranged peripheral microtubules and a pair of centrally located microtubules.
How many of the given statements are correct?
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