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Home/NEET/biology/cell the unit of life
Curated PYQ Collection

Top 50 Most Repeated CELL THE UNIT OF LIFE PYQs | NEET

A curated collection of the most important questions from CELL THE UNIT OF LIFE, fully solved with step-by-step concepts to prepare for NEET.

Question #1

Practice Question

A.Nucleus, lysosome
B.ER, Golgi apparatus
C.Mitochondria, ribosome
D.Centrosome, vacuole

Concept Applied

Rough ER synthesizes proteins; Golgi modifies and packages them for secretion....

Read Full Step-by-Step Solution →

Question #2

Practice Question

A.Endoplasmic reticulum
B.Golgi apparatus
C.Nucleus
D.Mitochondria

Concept Applied

Golgi modifies, sorts, and packages proteins for secretion....

Read Full Step-by-Step Solution →

Question #3

Practice Question

A.Mitochondria
B.Golgi body
C.Lysosome
D.SER

Concept Applied

Mitochondria and chloroplasts have $70S$ ribosomes due to endosymbiotic origin....

Read Full Step-by-Step Solution →

Question #4

Practice Question

A.Phospholipid bilayer
B.Integral proteins
C.Cholesterol
D.Glycoproteins

Concept Applied

Phospholipid bilayer forms the fluid base in which proteins float....

Read Full Step-by-Step Solution →

Question #5

Practice Question

A.Singer and Nicolson
B.Schleiden and Schwann
C.Robertson
D.Watson and Crick

Concept Applied

S.J. Singer and G.L. Nicolson proposed the fluid mosaic model in 1972....

Read Full Step-by-Step Solution →

Question #6

Practice Question

A.Conduct photosynthesis
B.Synthesize proteins
C.Produce ATP via oxidative phosphorylation
D.Store lipids

Concept Applied

Mitochondria are the powerhouses of the cell; they generate ATP through oxidative phosphorylation, providing energy for cellular processes....

Read Full Step-by-Step Solution →

Question #7

Practice Question

A.Rigid and static structure
B.Dynamic and fluid structure
C.Semi-permeable membrane
D.Impermeable membrane

Concept Applied

The fluid mosaic model describes the cell membrane as a dynamic and fluid structure composed of a phospholipid bilayer with embedded proteins....

Read Full Step-by-Step Solution →

Question #8

Practice Question

A.50S large subunit and 30S small subunit
B.60S large subunit and 10S small subunit
C.40S large subunit and 30S small subunit
D.55S large subunit and 15S small subunit

Concept Applied

Prokaryotic ribosomes are 70S, composed of a 50S large subunit and a 30S small subunit. Eukaryotic ribosomes are 80S (40S + 60S). The other options ar...

Read Full Step-by-Step Solution →

Question #9

Practice Question

A.Proteins synthesized in the rough endoplasmic reticulum are modified in the Golgi and packaged into vesicles for secretion
B.The Golgi apparatus synthesizes proteins and sends them directly to lysosomes
C.Vesicles from the Golgi fuse with the nuclear membrane to release hormones
D.The Golgi apparatus produces ATP required for vesicle transport

Concept Applied

Secretory proteins are synthesized in the rough ER. These proteins are transported to the Golgi apparatus where they are modified, sorted, and package...

Read Full Step-by-Step Solution →

Question #10

Practice Question

A.Nucleolus
B.Nucleoplasm
C.Heterochromatin
D.Euchromatin

Concept Applied

Nucleolus contains rRNA genes and machinery for ribosome assembly....

Read Full Step-by-Step Solution →

Question #11

Practice Question

A.Mesosome
B.80S ribosome
C.Nuclear membrane
D.Mitochondria

Concept Applied

Mesosomes are unique infoldings of plasma membrane found in prokaryotes....

Read Full Step-by-Step Solution →

Question #12

Practice Question

A.Nucleus, lysosome
B.ER, Golgi apparatus
C.Mitochondria, ribosome
D.Centrosome, vacuole

Concept Applied

Rough ER synthesizes proteins; Golgi modifies and packages them for secretion....

Read Full Step-by-Step Solution →

Question #13

Practice Question

A.Endoplasmic reticulum
B.Golgi apparatus
C.Nucleus
D.Mitochondria

Concept Applied

Golgi modifies, sorts, and packages proteins for secretion....

Read Full Step-by-Step Solution →

Question #14

Practice Question

A.Mitochondria
B.Golgi body
C.Lysosome
D.SER

Concept Applied

Mitochondria and chloroplasts have $70S$ ribosomes due to endosymbiotic origin....

Read Full Step-by-Step Solution →

Question #15

Practice Question

A.Phospholipid bilayer
B.Integral proteins
C.Cholesterol
D.Glycoproteins

Concept Applied

Phospholipid bilayer forms the fluid base in which proteins float....

Read Full Step-by-Step Solution →

Question #16

Practice Question

A.Singer and Nicolson
B.Schleiden and Schwann
C.Robertson
D.Watson and Crick

Concept Applied

S.J. Singer and G.L. Nicolson proposed the fluid mosaic model in 1972....

Read Full Step-by-Step Solution →

Question #17

Practice Question

A.Conduct photosynthesis
B.Synthesize proteins
C.Produce ATP via oxidative phosphorylation
D.Store lipids

Concept Applied

Mitochondria are the powerhouses of the cell; they generate ATP through oxidative phosphorylation, providing energy for cellular processes....

Read Full Step-by-Step Solution →

Question #18

Practice Question

A.Rigid and static structure
B.Dynamic and fluid structure
C.Semi-permeable membrane
D.Impermeable membrane

Concept Applied

The fluid mosaic model describes the cell membrane as a dynamic and fluid structure composed of a phospholipid bilayer with embedded proteins....

Read Full Step-by-Step Solution →

Question #19

Practice Question

A.50S large subunit and 30S small subunit
B.60S large subunit and 10S small subunit
C.40S large subunit and 30S small subunit
D.55S large subunit and 15S small subunit

Concept Applied

Prokaryotic ribosomes are 70S, composed of a 50S large subunit and a 30S small subunit. Eukaryotic ribosomes are 80S (40S + 60S). The other options ar...

Read Full Step-by-Step Solution →

Question #20

Practice Question

A.Proteins synthesized in the rough endoplasmic reticulum are modified in the Golgi and packaged into vesicles for secretion
B.The Golgi apparatus synthesizes proteins and sends them directly to lysosomes
C.Vesicles from the Golgi fuse with the nuclear membrane to release hormones
D.The Golgi apparatus produces ATP required for vesicle transport

Concept Applied

Secretory proteins are synthesized in the rough ER. These proteins are transported to the Golgi apparatus where they are modified, sorted, and package...

Read Full Step-by-Step Solution →

Question #21

Practice Question

A.Nucleolus
B.Nucleoplasm
C.Heterochromatin
D.Euchromatin

Concept Applied

Nucleolus contains rRNA genes and machinery for ribosome assembly....

Read Full Step-by-Step Solution →

Question #22

Practice Question

A.Mesosome
B.80S ribosome
C.Nuclear membrane
D.Mitochondria

Concept Applied

Mesosomes are unique infoldings of plasma membrane found in prokaryotes....

Read Full Step-by-Step Solution →

Question #23

Practice Question

A.Nucleus, lysosome
B.ER, Golgi apparatus
C.Mitochondria, ribosome
D.Centrosome, vacuole

Concept Applied

Rough ER synthesizes proteins; Golgi modifies and packages them for secretion....

Read Full Step-by-Step Solution →

Question #24

Practice Question

A.Endoplasmic reticulum
B.Golgi apparatus
C.Nucleus
D.Mitochondria

Concept Applied

Golgi modifies, sorts, and packages proteins for secretion....

Read Full Step-by-Step Solution →

Question #25

Practice Question

A.Mitochondria
B.Golgi body
C.Lysosome
D.SER

Concept Applied

Mitochondria and chloroplasts have $70S$ ribosomes due to endosymbiotic origin....

Read Full Step-by-Step Solution →

Question #26

Practice Question

A.Phospholipid bilayer
B.Integral proteins
C.Cholesterol
D.Glycoproteins

Concept Applied

Phospholipid bilayer forms the fluid base in which proteins float....

Read Full Step-by-Step Solution →

Question #27

Practice Question

A.Singer and Nicolson
B.Schleiden and Schwann
C.Robertson
D.Watson and Crick

Concept Applied

S.J. Singer and G.L. Nicolson proposed the fluid mosaic model in 1972....

Read Full Step-by-Step Solution →

Question #28

Practice Question

A.Conduct photosynthesis
B.Synthesize proteins
C.Produce ATP via oxidative phosphorylation
D.Store lipids

Concept Applied

Mitochondria are the powerhouses of the cell; they generate ATP through oxidative phosphorylation, providing energy for cellular processes....

Read Full Step-by-Step Solution →

Question #29

Practice Question

A.Rigid and static structure
B.Dynamic and fluid structure
C.Semi-permeable membrane
D.Impermeable membrane

Concept Applied

The fluid mosaic model describes the cell membrane as a dynamic and fluid structure composed of a phospholipid bilayer with embedded proteins....

Read Full Step-by-Step Solution →

Question #30

Practice Question

A.50S large subunit and 30S small subunit
B.60S large subunit and 10S small subunit
C.40S large subunit and 30S small subunit
D.55S large subunit and 15S small subunit

Concept Applied

Prokaryotic ribosomes are 70S, composed of a 50S large subunit and a 30S small subunit. Eukaryotic ribosomes are 80S (40S + 60S). The other options ar...

Read Full Step-by-Step Solution →

Question #31

Practice Question

A.Proteins synthesized in the rough endoplasmic reticulum are modified in the Golgi and packaged into vesicles for secretion
B.The Golgi apparatus synthesizes proteins and sends them directly to lysosomes
C.Vesicles from the Golgi fuse with the nuclear membrane to release hormones
D.The Golgi apparatus produces ATP required for vesicle transport

Concept Applied

Secretory proteins are synthesized in the rough ER. These proteins are transported to the Golgi apparatus where they are modified, sorted, and package...

Read Full Step-by-Step Solution →

Question #32

Practice Question

A.Nucleolus
B.Nucleoplasm
C.Heterochromatin
D.Euchromatin

Concept Applied

Nucleolus contains rRNA genes and machinery for ribosome assembly....

Read Full Step-by-Step Solution →

Question #33

Practice Question

A.Mesosome
B.80S ribosome
C.Nuclear membrane
D.Mitochondria

Concept Applied

Mesosomes are unique infoldings of plasma membrane found in prokaryotes....

Read Full Step-by-Step Solution →

Question #34

Practice Question

A.Nucleus, lysosome
B.ER, Golgi apparatus
C.Mitochondria, ribosome
D.Centrosome, vacuole

Concept Applied

Rough ER synthesizes proteins; Golgi modifies and packages them for secretion....

Read Full Step-by-Step Solution →

Question #35

Practice Question

A.Endoplasmic reticulum
B.Golgi apparatus
C.Nucleus
D.Mitochondria

Concept Applied

Golgi modifies, sorts, and packages proteins for secretion....

Read Full Step-by-Step Solution →

Question #36

Practice Question

A.Mitochondria
B.Golgi body
C.Lysosome
D.SER

Concept Applied

Mitochondria and chloroplasts have $70S$ ribosomes due to endosymbiotic origin....

Read Full Step-by-Step Solution →

Question #37

Practice Question

A.Phospholipid bilayer
B.Integral proteins
C.Cholesterol
D.Glycoproteins

Concept Applied

Phospholipid bilayer forms the fluid base in which proteins float....

Read Full Step-by-Step Solution →

Question #38

Practice Question

A.Singer and Nicolson
B.Schleiden and Schwann
C.Robertson
D.Watson and Crick

Concept Applied

S.J. Singer and G.L. Nicolson proposed the fluid mosaic model in 1972....

Read Full Step-by-Step Solution →

Question #39

Practice Question

A.Conduct photosynthesis
B.Synthesize proteins
C.Produce ATP via oxidative phosphorylation
D.Store lipids

Concept Applied

Mitochondria are the powerhouses of the cell; they generate ATP through oxidative phosphorylation, providing energy for cellular processes....

Read Full Step-by-Step Solution →

Question #40

Practice Question

A.Rigid and static structure
B.Dynamic and fluid structure
C.Semi-permeable membrane
D.Impermeable membrane

Concept Applied

The fluid mosaic model describes the cell membrane as a dynamic and fluid structure composed of a phospholipid bilayer with embedded proteins....

Read Full Step-by-Step Solution →

Question #41

Practice Question

A.50S large subunit and 30S small subunit
B.60S large subunit and 10S small subunit
C.40S large subunit and 30S small subunit
D.55S large subunit and 15S small subunit

Concept Applied

Prokaryotic ribosomes are 70S, composed of a 50S large subunit and a 30S small subunit. Eukaryotic ribosomes are 80S (40S + 60S). The other options ar...

Read Full Step-by-Step Solution →

Question #42

Practice Question

A.Proteins synthesized in the rough endoplasmic reticulum are modified in the Golgi and packaged into vesicles for secretion
B.The Golgi apparatus synthesizes proteins and sends them directly to lysosomes
C.Vesicles from the Golgi fuse with the nuclear membrane to release hormones
D.The Golgi apparatus produces ATP required for vesicle transport

Concept Applied

Secretory proteins are synthesized in the rough ER. These proteins are transported to the Golgi apparatus where they are modified, sorted, and package...

Read Full Step-by-Step Solution →

Question #43

Practice Question

A.Nucleolus
B.Nucleoplasm
C.Heterochromatin
D.Euchromatin

Concept Applied

Nucleolus contains rRNA genes and machinery for ribosome assembly....

Read Full Step-by-Step Solution →

Question #44

Practice Question

A.Mesosome
B.80S ribosome
C.Nuclear membrane
D.Mitochondria

Concept Applied

Mesosomes are unique infoldings of plasma membrane found in prokaryotes....

Read Full Step-by-Step Solution →

Question #45

Practice Question

A.Nucleus, lysosome
B.ER, Golgi apparatus
C.Mitochondria, ribosome
D.Centrosome, vacuole

Concept Applied

Rough ER synthesizes proteins; Golgi modifies and packages them for secretion....

Read Full Step-by-Step Solution →

Question #46

Practice Question

A.Endoplasmic reticulum
B.Golgi apparatus
C.Nucleus
D.Mitochondria

Concept Applied

Golgi modifies, sorts, and packages proteins for secretion....

Read Full Step-by-Step Solution →

Question #47

Practice Question

A.Mitochondria
B.Golgi body
C.Lysosome
D.SER

Concept Applied

Mitochondria and chloroplasts have $70S$ ribosomes due to endosymbiotic origin....

Read Full Step-by-Step Solution →

Question #48

Practice Question

A.Phospholipid bilayer
B.Integral proteins
C.Cholesterol
D.Glycoproteins

Concept Applied

Phospholipid bilayer forms the fluid base in which proteins float....

Read Full Step-by-Step Solution →

Question #49

Practice Question

A.Singer and Nicolson
B.Schleiden and Schwann
C.Robertson
D.Watson and Crick

Concept Applied

S.J. Singer and G.L. Nicolson proposed the fluid mosaic model in 1972....

Read Full Step-by-Step Solution →

Question #50

Practice Question

A.Conduct photosynthesis
B.Synthesize proteins
C.Produce ATP via oxidative phosphorylation
D.Store lipids

Concept Applied

Mitochondria are the powerhouses of the cell; they generate ATP through oxidative phosphorylation, providing energy for cellular processes....

Read Full Step-by-Step Solution →
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