(A) Microtubules are cylindrical,rod-like structures that form the cytoskeleton of eukaryotic cells. They are composed of tubulin proteins. Microtubul

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(A) Microtubules are cylindrical,rod-like structures that form the cytoskeleton of eukaryotic cells. They are composed of tubulin proteins. Microtubules are present in structures such as cilia,flagella,basal bodies,centrioles,astral rays,and spindle fibres. Mitochondria are double-membrane-bound organelles that contain their own $DNA$ and ribosomes but do not contain microtubules as part of their structure. Therefore,microtubules are absent in mitochondria.

Class 11 Biology Cell: The Unit of Life Mix Example-Cell: The Unit of Life

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Microtubules are absent in

A
mitochondria
B
centriole
C
flagella
D
spindle fibres

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Class 11 Questions

Class 11

Biology Questions

Chapter

Cell: The Unit of Life

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Mix Example-Cell: The Unit of Life

Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Typical animal cell $(P)$ Multinucleate
$(2)$ Zygote $(Q)$ Uninucleate
$(3)$ Human $RBC$ $(R)$ Binucleate
$(4)$ Plant embryo sac $(S)$ Enucleate

Medium

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Which group of organelles is not part of the endomembrane system?

Medium

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Match the items in Column-$I$ with Column-$II$ and select the correct option:
Column-$I$ Column-$II$
$(A)$ Microfilament $(i)$ Glycocalyx
$(B)$ Microtubule $(ii)$ Actin
$(C)$ Flagella $(iii)$ Tubulin
$(D)$ Bacterial cell envelope $(iv)$ Flagellin

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Select the correct option for the following matches:
Column-$I$ Column-$II$
$(1)$ Mesosome $(a)$ Not a component of the endomembrane system
$(2)$ Peroxisome $(b)$ Many ribosomes associated with a single $m-RNA$
$(3)$ Polysome $(c)$ Single membrane-bound system
$(4)$ Lysosome $(d)$ Infoldings of the cell membrane

Medium

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Which of the following cellular organelles are membrane-bound?

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Column $X$	Column $Y$
$(1)$ Typical animal cell	$(P)$ Multinucleate
$(2)$ Zygote	$(Q)$ Uninucleate
$(3)$ Human $RBC$	$(R)$ Binucleate
$(4)$ Plant embryo sac	$(S)$ Enucleate

Column-$I$	Column-$II$
$(A)$ Microfilament	$(i)$ Glycocalyx
$(B)$ Microtubule	$(ii)$ Actin
$(C)$ Flagella	$(iii)$ Tubulin
$(D)$ Bacterial cell envelope	$(iv)$ Flagellin

Column-$I$	Column-$II$
$(1)$ Mesosome	$(a)$ Not a component of the endomembrane system
$(2)$ Peroxisome	$(b)$ Many ribosomes associated with a single $m-RNA$
$(3)$ Polysome	$(c)$ Single membrane-bound system
$(4)$ Lysosome	$(d)$ Infoldings of the cell membrane

Microtubules are absent in

Similar Questions

Select the correct match for $X$ and $Y$:Column $X$Column $Y$$(1)$ Typical animal cell$(P)$ Multinucleate$(2)$ Zygote$(Q)$ Uninucleate$(3)$ Human $RBC$$(R)$ Binucleate$(4)$ Plant embryo sac$(S)$ Enucleate

Which group of organelles is not part of the endomembrane system?

Match the items in Column-$I$ with Column-$II$ and select the correct option:Column-$I$Column-$II$$(A)$ Microfilament$(i)$ Glycocalyx$(B)$ Microtubule$(ii)$ Actin$(C)$ Flagella$(iii)$ Tubulin$(D)$ Bacterial cell envelope$(iv)$ Flagellin

Which of the following cellular organelles are membrane-bound?

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Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Typical animal cell $(P)$ Multinucleate
$(2)$ Zygote $(Q)$ Uninucleate
$(3)$ Human $RBC$ $(R)$ Binucleate
$(4)$ Plant embryo sac $(S)$ Enucleate

Match the items in Column-$I$ with Column-$II$ and select the correct option:
Column-$I$ Column-$II$
$(A)$ Microfilament $(i)$ Glycocalyx
$(B)$ Microtubule $(ii)$ Actin
$(C)$ Flagella $(iii)$ Tubulin
$(D)$ Bacterial cell envelope $(iv)$ Flagellin