(A) The relative sizes of biological and chemical entities are as follows:$1$. $Cell$: Typically ranges from $10-100 \ \mu m$.$2$. $Nucleus$: Typicall

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Cell,nucleus,chromosome,water molecule,oxygen atom

(A) The relative sizes of biological and chemical entities are as follows:$1$. $Cell$: Typically ranges from $10-100 \ \mu m$.$2$. $Nucleus$: Typically ranges from $5-10 \ \mu m$.$3$. $Chromosome$: Typically ranges from $1-5 \ \mu m$.$4$. $Water \ molecule$ $(H_2O)$: Approximately $0.3 \ nm$.$5$. $Oxygen \ atom$ $(O)$: Approximately $0.15 \ nm$.Therefore,the correct descending order of size is: $Cell > Nucleus > Chromosome > Water \ molecule > Oxygen \ atom$.

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

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Which of the following represents the correct sequence of relative sizes in descending order?

A
Cell,nucleus,chromosome,water molecule,oxygen atom
B
Cell,nucleus,water molecule,oxygen atom,chromosome
C
Chromosome,cell,nucleus,water molecule,oxygen atom
D
Cell,nucleus,water molecule,chromosome,oxygen atom

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Class 11

Biology Questions

Chapter

Cell: The Unit of Life

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Mix Example-Cell: The Unit of Life

Adult human $RBCs$ are enucleate. Which of the following statement$(s)$ is/are most appropriate explanation for this feature?
$(1)$ They do not need to reproduce.
$(2)$ They are somatic cells.
$(3)$ They do not metabolise.
$(4)$ All their internal space is available for oxygen transport.

MediumNEET 2017

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Match List $- I$ with List $- II.$

List $- I$ List $- II$

$A$. Centromere $I$. Mitochondrion

$B$. Cilium $II$. Cell division

$C$. Cristae $III$. Cell movement

$D$. Cell membrane $IV$. Phospholipid Bilayer

Choose the correct answer from the options given below:

List $- I$	List $- II$
$A$. Centromere	$I$. Mitochondrion
$B$. Cilium	$II$. Cell division
$C$. Cristae	$III$. Cell movement
$D$. Cell membrane	$IV$. Phospholipid Bilayer

MediumNEET 2025

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Column-$I$ lists organelles and Column-$II$ lists their functions. Select the correct option:
Column-$I$ Column-$II$
$(A)$ Mitochondria $(i)$ Suicidal bag
$(B)$ Chloroplast $(ii)$ Synthesis of steroids
$(C)$ Lysosome $(iii)$ Photosynthesis
$(D)$ Smooth Endoplasmic Reticulum $(iv)$ $ATP$ production

Medium

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Identify the odd one out from the following cell components.

Medium

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Which group of cell organelles contains $DNA$?

Medium

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Column-$I$	Column-$II$
$(A)$ Mitochondria	$(i)$ Suicidal bag
$(B)$ Chloroplast	$(ii)$ Synthesis of steroids
$(C)$ Lysosome	$(iii)$ Photosynthesis
$(D)$ Smooth Endoplasmic Reticulum	$(iv)$ $ATP$ production

Which of the following represents the correct sequence of relative sizes in descending order?

Similar Questions

Adult human $RBCs$ are enucleate. Which of the following statement$(s)$ is/are most appropriate explanation for this feature?$(1)$ They do not need to reproduce.$(2)$ They are somatic cells.$(3)$ They do not metabolise.$(4)$ All their internal space is available for oxygen transport.

Match List $- I$ with List $- II.$ List $- I$ List $- II$ $A$. Centromere $I$. Mitochondrion $B$. Cilium $II$. Cell division $C$. Cristae $III$. Cell movement $D$. Cell membrane $IV$. Phospholipid Bilayer Choose the correct answer from the options given below:

Column-$I$ lists organelles and Column-$II$ lists their functions. Select the correct option:Column-$I$Column-$II$$(A)$ Mitochondria$(i)$ Suicidal bag$(B)$ Chloroplast$(ii)$ Synthesis of steroids$(C)$ Lysosome$(iii)$ Photosynthesis$(D)$ Smooth Endoplasmic Reticulum$(iv)$ $ATP$ production

Identify the odd one out from the following cell components.

Which group of cell organelles contains $DNA$?

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Adult human $RBCs$ are enucleate. Which of the following statement$(s)$ is/are most appropriate explanation for this feature?
$(1)$ They do not need to reproduce.
$(2)$ They are somatic cells.
$(3)$ They do not metabolise.
$(4)$ All their internal space is available for oxygen transport.

Match List $- I$ with List $- II.$

List $- I$ List $- II$

$A$. Centromere $I$. Mitochondrion

$B$. Cilium $II$. Cell division

$C$. Cristae $III$. Cell movement

$D$. Cell membrane $IV$. Phospholipid Bilayer

Choose the correct answer from the options given below:

Column-$I$ lists organelles and Column-$II$ lists their functions. Select the correct option:
Column-$I$ Column-$II$
$(A)$ Mitochondria $(i)$ Suicidal bag
$(B)$ Chloroplast $(ii)$ Synthesis of steroids
$(C)$ Lysosome $(iii)$ Photosynthesis
$(D)$ Smooth Endoplasmic Reticulum $(iv)$ $ATP$ production