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NEET ]1[ Contd...
NEET Biology - Cell: The Unit of Life
Instructions:
- Each question has four options (1), (2), (3), (4). Choose the most correct answer.
- Each correct answer carries 4 marks.
- Each wrong answer will deduct 1 marks.
- Unanswered questions will not be penalised.
1.Which statement gives the most accurate NCERT-based reason for calling cell the basic unit of life?
2.A unicellular organism can be considered independently living because it
3.Which scientist-discovery pair is correctly matched?
4.Who together formulated the cell theory, and who modified it by explaining pre-existing cells?
5.Which pair of statements represents cell theory as understood today?
6.The immediate criterion used here to distinguish eukaryotic cells from prokaryotic cells is the presence of
7.Which one is a non-membrane-bound organelle mentioned in the chapter and found in animal cells helping cell division?
8.Which cell/example pairing is correctly stated?
9.Which option contains only prokaryotic representatives given in the chapter?
10.Which bacterial shape is matched correctly?
11.Which prokaryote is the exception to the statement that prokaryotes have a cell wall surrounding the cell membrane?
12.Plasmids in bacteria are best described as
13.In the context of Gram staining, Gram negative bacteria are those that
14.Glycocalyx may occur as
15.Mesosome in prokaryotes is
16.The correct structural parts of bacterial flagellum are
17.Pili and fimbriae are surface structures of bacteria but, according to the chapter, they
18.Prokaryotic ribosomes are formed by which subunits?
19.A polysome is formed when
20.Which statement about prokaryotic inclusion bodies is correct?
21.Which group is included among eukaryotes as stated in the chapter?
22.Which feature combination is correctly associated with plant cells in this chapter?
23.In the plasma membrane, phospholipids are arranged so that
24.Peripheral and integral proteins differ because
25.The fluid mosaic model was proposed by
26.Active transport differs from simple diffusion because it
27.Which pair is correctly matched?
28.Which organelle is not considered part of the endomembrane system in this chapter?
29.Which statement is correct?
30.Materials from ER vesicles usually fuse with which face of Golgi and move toward which face?
31.Identify the correct statements.
A. Leeuwenhoek first saw and described a live cell.
B. Robert Brown discovered the nucleus.
C. Schleiden and Schwann explained that all cells arise from pre-existing cells.
D. Virchow modified cell theory using Omnis cellula-e cellula.
A. Leeuwenhoek first saw and described a live cell.
B. Robert Brown discovered the nucleus.
C. Schleiden and Schwann explained that all cells arise from pre-existing cells.
D. Virchow modified cell theory using Omnis cellula-e cellula.
32.Choose the correct set of statements.
A. Onion cell has cell wall as outer boundary and cell membrane within it.
B. Human cheek cell has cell wall as delimiting structure.
C. Nucleus contains chromosomes that contain DNA.
D. Cytoplasm is the main arena of cellular activities.
A. Onion cell has cell wall as outer boundary and cell membrane within it.
B. Human cheek cell has cell wall as delimiting structure.
C. Nucleus contains chromosomes that contain DNA.
D. Cytoplasm is the main arena of cellular activities.
33.Which statements are correct?
A. Ribosomes are non-membrane-bound and present in all cells.
B. Prokaryotes lack membrane-bound organelles.
C. Centrosome is a membrane-bound organelle in plant cells.
D. Ribosomes can occur on rough ER and inside mitochondria/chloroplasts.
A. Ribosomes are non-membrane-bound and present in all cells.
B. Prokaryotes lack membrane-bound organelles.
C. Centrosome is a membrane-bound organelle in plant cells.
D. Ribosomes can occur on rough ER and inside mitochondria/chloroplasts.
34.Select the correct statements.
A. Mycoplasmas are about 0.3 µm.
B. Bacteria may be 3 to 5 µm.
C. Human RBCs are about 7.0 µm in diameter.
D. Nerve cells are the smallest cells.
A. Mycoplasmas are about 0.3 µm.
B. Bacteria may be 3 to 5 µm.
C. Human RBCs are about 7.0 µm in diameter.
D. Nerve cells are the smallest cells.
35.Which statements are correct for prokaryotic cells?
A. They include bacteria, blue-green algae, mycoplasma and PPLO.
B. They are generally smaller and multiply more rapidly than eukaryotic cells.
C. All prokaryotes have a cell wall without exception.
D. They lack eukaryote-like membrane-bound organelles except ribosomes.
A. They include bacteria, blue-green algae, mycoplasma and PPLO.
B. They are generally smaller and multiply more rapidly than eukaryotic cells.
C. All prokaryotes have a cell wall without exception.
D. They lack eukaryote-like membrane-bound organelles except ribosomes.
36.Which statements about bacterial shapes are correct?
A. Bacillus is rod-like.
B. Coccus is comma-shaped.
C. Vibrio is spherical.
D. Spirillum is spiral.
A. Bacillus is rod-like.
B. Coccus is comma-shaped.
C. Vibrio is spherical.
D. Spirillum is spiral.
37.Identify the correct statements.
A. Prokaryotic genetic material is naked and not enveloped by nuclear membrane.
B. Genomic DNA is generally single chromosome/circular DNA.
C. Plasmids are small circular DNA outside genomic DNA.
D. Plasmids never affect phenotype.
A. Prokaryotic genetic material is naked and not enveloped by nuclear membrane.
B. Genomic DNA is generally single chromosome/circular DNA.
C. Plasmids are small circular DNA outside genomic DNA.
D. Plasmids never affect phenotype.
38.Choose the correct statements.
A. Bacterial envelope has glycocalyx, cell wall and plasma membrane.
B. These layers act as a single protective unit.
C. Gram positive bacteria do not take up gram stain.
D. Cell wall determines shape and prevents bursting/collapsing.
A. Bacterial envelope has glycocalyx, cell wall and plasma membrane.
B. These layers act as a single protective unit.
C. Gram positive bacteria do not take up gram stain.
D. Cell wall determines shape and prevents bursting/collapsing.
39.Which of the following are functions/forms of mesosomes?
A. Extensions of plasma membrane as vesicles, tubules and lamellae.
B. Help in cell wall formation and DNA replication.
C. Help in respiration and secretion.
D. Store reserve material as glycogen granules.
A. Extensions of plasma membrane as vesicles, tubules and lamellae.
B. Help in cell wall formation and DNA replication.
C. Help in respiration and secretion.
D. Store reserve material as glycogen granules.
40.Select the correct statements.
A. Bacterial flagellum has filament, hook and basal body.
B. Filament is the longest part.
C. Pili and fimbriae are motility structures.
D. Fimbriae may help attachment to rocks and host tissues.
A. Bacterial flagellum has filament, hook and basal body.
B. Filament is the longest part.
C. Pili and fimbriae are motility structures.
D. Fimbriae may help attachment to rocks and host tissues.
41.Choose the correct set.
A. Prokaryotic ribosomes are associated with plasma membrane.
B. 50S + 30S subunits form 70S ribosomes.
C. Polysomes are several ribosomes attached to one mRNA.
D. Inclusion bodies are membrane-bound organelles.
A. Prokaryotic ribosomes are associated with plasma membrane.
B. 50S + 30S subunits form 70S ribosomes.
C. Polysomes are several ribosomes attached to one mRNA.
D. Inclusion bodies are membrane-bound organelles.
42.Which statements are correct?
A. Phosphate granules are inclusion bodies.
B. Cyanophycean granules are inclusion bodies.
C. Glycogen granules are inclusion bodies.
D. Gas vacuoles occur in blue-green, purple and green photosynthetic bacteria.
A. Phosphate granules are inclusion bodies.
B. Cyanophycean granules are inclusion bodies.
C. Glycogen granules are inclusion bodies.
D. Gas vacuoles occur in blue-green, purple and green photosynthetic bacteria.
43.Eukaryotic cells are characterised by which of the following?
A. Extensive compartmentalisation through membrane-bound organelles.
B. Organised nucleus with nuclear envelope.
C. Genetic material organised into chromosomes.
D. Absence of all locomotory structures.
A. Extensive compartmentalisation through membrane-bound organelles.
B. Organised nucleus with nuclear envelope.
C. Genetic material organised into chromosomes.
D. Absence of all locomotory structures.
44.Identify the correct statements.
A. Plant cells have cell wall, plastids and large central vacuole.
B. Animal cells have centrioles.
C. Centrioles are absent in almost all plant cells.
D. Plastids are present in typical animal cells.
A. Plant cells have cell wall, plastids and large central vacuole.
B. Animal cells have centrioles.
C. Centrioles are absent in almost all plant cells.
D. Plastids are present in typical animal cells.
45.Which statements are correct?
A. Cell membrane is mainly lipids and proteins.
B. Major lipids are phospholipids arranged in bilayer.
C. Hydrophobic tails face aqueous outer sides.
D. Human erythrocyte membrane has about 52% protein and 40% lipids.
A. Cell membrane is mainly lipids and proteins.
B. Major lipids are phospholipids arranged in bilayer.
C. Hydrophobic tails face aqueous outer sides.
D. Human erythrocyte membrane has about 52% protein and 40% lipids.
46.Select the correct statements.
A. Integral proteins are partially or totally buried in membrane.
B. Fluid mosaic model was proposed by Singer and Nicolson.
C. Fluidity is related to lateral movement of proteins.
D. Membrane fluidity is irrelevant to secretion and cell division.
A. Integral proteins are partially or totally buried in membrane.
B. Fluid mosaic model was proposed by Singer and Nicolson.
C. Fluidity is related to lateral movement of proteins.
D. Membrane fluidity is irrelevant to secretion and cell division.
47.Which statements are correct?
A. Passive transport requires no energy.
B. Neutral solutes move by simple diffusion from high to low concentration.
C. Polar molecules freely pass through non-polar lipid bilayer without carriers.
D. Active transport uses ATP and can move from low to high concentration.
A. Passive transport requires no energy.
B. Neutral solutes move by simple diffusion from high to low concentration.
C. Polar molecules freely pass through non-polar lipid bilayer without carriers.
D. Active transport uses ATP and can move from low to high concentration.
48.Choose the correct statements.
A. Cell wall is non-living and rigid in fungi/plants.
B. It protects against mechanical damage and infection.
C. Middle lamella is mainly calcium pectate.
D. Plasmodesmata connect cytoplasm of neighbouring cells.
A. Cell wall is non-living and rigid in fungi/plants.
B. It protects against mechanical damage and infection.
C. Middle lamella is mainly calcium pectate.
D. Plasmodesmata connect cytoplasm of neighbouring cells.
49.Which statements are correct?
A. ER, Golgi complex, lysosomes and vacuoles are included in endomembrane system.
B. Mitochondria, chloroplasts and peroxisomes are not included.
C. Inclusion depends on coordinated function.
D. Ribosomes are included because they synthesise proteins.
A. ER, Golgi complex, lysosomes and vacuoles are included in endomembrane system.
B. Mitochondria, chloroplasts and peroxisomes are not included.
C. Inclusion depends on coordinated function.
D. Ribosomes are included because they synthesise proteins.
50.Identify the correct statements.
A. ER is a reticulum/network of tiny tubular structures.
B. ER divides intracellular space into luminal and extra-luminal compartments.
C. RER bears ribosomes and is frequent in protein-secreting cells.
D. SER is the major site of lipid synthesis.
A. ER is a reticulum/network of tiny tubular structures.
B. ER divides intracellular space into luminal and extra-luminal compartments.
C. RER bears ribosomes and is frequent in protein-secreting cells.
D. SER is the major site of lipid synthesis.
51.Choose the correct statements.
A. Golgi has stacked flat cisternae.
B. Cisternae have distinct cis/forming and trans/maturing faces.
C. Vesicles from ER fuse with trans face first.
D. Golgi forms glycoproteins and glycolipids.
A. Golgi has stacked flat cisternae.
B. Cisternae have distinct cis/forming and trans/maturing faces.
C. Vesicles from ER fuse with trans face first.
D. Golgi forms glycoproteins and glycolipids.
52.Which statements are correct for lysosomes?
A. Formed by packaging in Golgi apparatus.
B. Rich in hydrolases such as lipases, proteases and carbohydrases.
C. Enzymes are optimally active at acidic pH.
D. Digest only proteins, not nucleic acids.
A. Formed by packaging in Golgi apparatus.
B. Rich in hydrolases such as lipases, proteases and carbohydrases.
C. Enzymes are optimally active at acidic pH.
D. Digest only proteins, not nucleic acids.
53.Select the correct statements.
A. Vacuole is membrane-bound space in cytoplasm.
B. Tonoplast is the single membrane of vacuole.
C. Plant vacuoles may occupy up to 90% of cell volume.
D. Contractile vacuole in Amoeba is important for osmoregulation and excretion.
A. Vacuole is membrane-bound space in cytoplasm.
B. Tonoplast is the single membrane of vacuole.
C. Plant vacuoles may occupy up to 90% of cell volume.
D. Contractile vacuole in Amoeba is important for osmoregulation and excretion.
54.Which statements are correct?
A. Mitochondria are double membrane-bound.
B. Cristae are infoldings of inner membrane toward matrix.
C. Matrix contains circular DNA, RNA and 70S ribosomes.
D. Mitochondria divide by budding only.
A. Mitochondria are double membrane-bound.
B. Cristae are infoldings of inner membrane toward matrix.
C. Matrix contains circular DNA, RNA and 70S ribosomes.
D. Mitochondria divide by budding only.
55.Choose the correct statements.
A. Plastids occur in plant cells and euglenoids.
B. Chromoplasts contain fat-soluble carotenoids.
C. Amyloplasts store oils and fats.
D. Aleuroplasts store proteins.
A. Plastids occur in plant cells and euglenoids.
B. Chromoplasts contain fat-soluble carotenoids.
C. Amyloplasts store oils and fats.
D. Aleuroplasts store proteins.
56.Identify the correct statements.
A. Most green-plant chloroplasts occur in leaf mesophyll.
B. Stroma is the space limited by inner membrane.
C. Thylakoids stacked together form grana.
D. Chlorophyll pigments are present in stroma, not thylakoids.
A. Most green-plant chloroplasts occur in leaf mesophyll.
B. Stroma is the space limited by inner membrane.
C. Thylakoids stacked together form grana.
D. Chlorophyll pigments are present in stroma, not thylakoids.
57.Which statements are correct?
A. Ribosomes are RNA-protein structures without membrane.
B. Eukaryotic cytoplasmic ribosomes are 80S.
C. 80S is made of 60S and 40S subunits.
D. Svedberg unit is an additive arithmetic unit, so 60S+40S=100S.
A. Ribosomes are RNA-protein structures without membrane.
B. Eukaryotic cytoplasmic ribosomes are 80S.
C. 80S is made of 60S and 40S subunits.
D. Svedberg unit is an additive arithmetic unit, so 60S+40S=100S.
58.The cytoskeleton includes and performs which correct combination?
A. Microtubules.
B. Microfilaments.
C. Intermediate filaments.
D. Mechanical support, motility and shape maintenance.
A. Microtubules.
B. Microfilaments.
C. Intermediate filaments.
D. Mechanical support, motility and shape maintenance.
59.Which statements about eukaryotic cilia/flagella are correct?
A. They are covered with plasma membrane.
B. Axoneme usually has 9+2 arrangement.
C. There are nine radial spokes.
D. They emerge from lysosome-like basal bodies.
A. They are covered with plasma membrane.
B. Axoneme usually has 9+2 arrangement.
C. There are nine radial spokes.
D. They emerge from lysosome-like basal bodies.
60.Select correct statements.
A. Centrosome usually has two perpendicular centrioles.
B. Each centriole has nine peripheral triplet fibrils.
C. Centrioles form basal bodies and spindle fibres in animal cells.
D. Pericentriolar material is a membrane-bound vacuole.
A. Centrosome usually has two perpendicular centrioles.
B. Each centriole has nine peripheral triplet fibrils.
C. Centrioles form basal bodies and spindle fibres in animal cells.
D. Pericentriolar material is a membrane-bound vacuole.
61.Which statements are correct?
A. Nuclear envelope has two parallel membranes.
B. Perinuclear space is 10–50 nm.
C. Outer nuclear membrane is usually continuous with ER and bears ribosomes.
D. Nuclear pores allow movement of RNA and proteins in both directions.
A. Nuclear envelope has two parallel membranes.
B. Perinuclear space is 10–50 nm.
C. Outer nuclear membrane is usually continuous with ER and bears ribosomes.
D. Nuclear pores allow movement of RNA and proteins in both directions.
62.Choose the correct statements.
A. Nucleolus is not membrane-bound.
B. Nucleolus is a site for active rRNA synthesis.
C. Chromatin contains DNA, histones, non-histone proteins and RNA.
D. Chromatin is structured as chromosomes throughout interphase.
A. Nucleolus is not membrane-bound.
B. Nucleolus is a site for active rRNA synthesis.
C. Chromatin contains DNA, histones, non-histone proteins and RNA.
D. Chromatin is structured as chromosomes throughout interphase.
63.Identify the correct statements.
A. Human cell has about 2 m DNA distributed among 46 chromosomes.
B. Kinetochores lie on sides of centromere.
C. Acrocentric has terminal centromere.
D. Telocentric has terminal centromere.
A. Human cell has about 2 m DNA distributed among 46 chromosomes.
B. Kinetochores lie on sides of centromere.
C. Acrocentric has terminal centromere.
D. Telocentric has terminal centromere.
64.Which summary statements are correct?
A. Cell is structural and functional unit of life.
B. Grana are site of light reactions and stroma of dark reactions.
C. Nucleus controls organelle activities and has role in heredity.
D. Plastids are pigment-containing organelles found in animal cells only.
A. Cell is structural and functional unit of life.
B. Grana are site of light reactions and stroma of dark reactions.
C. Nucleus controls organelle activities and has role in heredity.
D. Plastids are pigment-containing organelles found in animal cells only.
65.Which statements are correct?
A. Detailed membrane structure was studied after electron microscope in the 1950s.
B. Human RBC membrane studies helped deduce membrane structure.
C. Human erythrocyte membrane has about 52% lipids and 40% protein.
D. Fluid mosaic model was proposed in 1972.
A. Detailed membrane structure was studied after electron microscope in the 1950s.
B. Human RBC membrane studies helped deduce membrane structure.
C. Human erythrocyte membrane has about 52% lipids and 40% protein.
D. Fluid mosaic model was proposed in 1972.
66.Which option has all correct statements?
A. Osmosis is movement of water by diffusion.
B. Simple diffusion of neutral solutes follows concentration gradient.
C. Active transport is ATP-dependent.
D. Polar molecules cross the hydrophobic bilayer without help because they are charged.
A. Osmosis is movement of water by diffusion.
B. Simple diffusion of neutral solutes follows concentration gradient.
C. Active transport is ATP-dependent.
D. Polar molecules cross the hydrophobic bilayer without help because they are charged.
67.Which statements are correct?
A. Stroma is bounded by inner chloroplast membrane.
B. Thylakoid membrane encloses lumen.
C. Chlorophyll pigments occur in thylakoids.
D. Chloroplast ribosomes are 80S like cytoplasmic ribosomes.
A. Stroma is bounded by inner chloroplast membrane.
B. Thylakoid membrane encloses lumen.
C. Chlorophyll pigments occur in thylakoids.
D. Chloroplast ribosomes are 80S like cytoplasmic ribosomes.
68.Select the correct statements.
A. Normally there is one nucleus per cell, though variations occur.
B. Mammalian erythrocytes and sieve tube cells can lack nucleus at maturity.
C. Nucleolus is membrane-bound.
D. Larger/more numerous nucleoli occur in cells active in protein synthesis.
A. Normally there is one nucleus per cell, though variations occur.
B. Mammalian erythrocytes and sieve tube cells can lack nucleus at maturity.
C. Nucleolus is membrane-bound.
D. Larger/more numerous nucleoli occur in cells active in protein synthesis.
69.Which statements can be inferred strictly from the chapter?
A. Mitochondrial matrix has circular DNA and 70S ribosomes.
B. Chloroplast stroma has circular double-stranded DNA and ribosomes.
C. Both mitochondria and chloroplasts are double membrane-bound.
D. Both are part of the endomembrane system.
A. Mitochondrial matrix has circular DNA and 70S ribosomes.
B. Chloroplast stroma has circular double-stranded DNA and ribosomes.
C. Both mitochondria and chloroplasts are double membrane-bound.
D. Both are part of the endomembrane system.
70.Which statements are correct?
A. Prokaryotes lack membrane-bound organelles but have ribosomes.
B. Prokaryotic ribosomes are 70S.
C. Eukaryotic cytoplasmic ribosomes are 80S.
D. 70S ribosomes have 60S and 40S subunits.
A. Prokaryotes lack membrane-bound organelles but have ribosomes.
B. Prokaryotic ribosomes are 70S.
C. Eukaryotic cytoplasmic ribosomes are 80S.
D. 70S ribosomes have 60S and 40S subunits.
71.Which statements are correct?
A. Bacterial cell wall prevents bursting/collapsing.
B. Plant/fungal cell wall is a non-living rigid covering outside plasma membrane.
C. Middle lamella is mainly calcium pectate.
D. Other plant walls contain cellulose, hemicellulose, pectins and proteins.
A. Bacterial cell wall prevents bursting/collapsing.
B. Plant/fungal cell wall is a non-living rigid covering outside plasma membrane.
C. Middle lamella is mainly calcium pectate.
D. Other plant walls contain cellulose, hemicellulose, pectins and proteins.
72.Which statements correctly describe protein secretory flow?
A. RER is frequent in cells active in protein synthesis/secretion.
B. ER vesicles fuse with Golgi cis face.
C. Proteins may be modified in Golgi cisternae before release from trans face.
D. Lysosomes are formed by packaging in Golgi.
A. RER is frequent in cells active in protein synthesis/secretion.
B. ER vesicles fuse with Golgi cis face.
C. Proteins may be modified in Golgi cisternae before release from trans face.
D. Lysosomes are formed by packaging in Golgi.
73.Which of the following is incorrect?
74.Which statement is not true?
75.Identify the wrongly matched pair.
76.Which of the following does not belong to the prokaryotic representatives listed in the chapter?
77.Which statement about prokaryotes is incorrect?
78.Which is wrongly matched?
79.Mesosomes perform all of the following except
80.Which statement is incorrect?
81.Which option is incorrect for prokaryotic ribosomes?
82.Which is not given as an example of an inclusion body/reserve material?
83.Which statement is incorrect?
84.Which statement is not correct?
85.Identify the incorrect statement.
86.Which of the following is not true?
87.Which is incorrectly matched?
88.All are part of the endomembrane system except
89.Which statement is incorrect?
90.Which statement is wrong?
91.Which is not a correct lysosome statement?
92.Which statement is incorrect?
93.Which is not true for mitochondria?
94.Which pair is wrongly matched?
95.Which statement is incorrect?
96.Match List-I with List-II.
List-I: A. Leeuwenhoek B. Robert Brown C. Singer & Nicolson D. George Palade
List-II: i. Ribosomes as dense particles ii. Fluid mosaic model iii. Live cell iv. Nucleus
List-I: A. Leeuwenhoek B. Robert Brown C. Singer & Nicolson D. George Palade
List-II: i. Ribosomes as dense particles ii. Fluid mosaic model iii. Live cell iv. Nucleus
97.Match bacterial shape with description.
A. Bacillus B. Coccus C. Vibrio D. Spirillum
I. Spherical II. Spiral III. Rod-like IV. Comma-shaped
A. Bacillus B. Coccus C. Vibrio D. Spirillum
I. Spherical II. Spiral III. Rod-like IV. Comma-shaped
98.Match List-I with List-II.
A. Glycocalyx B. Cell wall C. Plasma membrane D. Capsule
I. Selectively permeable II. Thick tough glycocalyx III. Outermost layer IV. Determines shape/prevents bursting
A. Glycocalyx B. Cell wall C. Plasma membrane D. Capsule
I. Selectively permeable II. Thick tough glycocalyx III. Outermost layer IV. Determines shape/prevents bursting
99.Match structure with feature.
A. Filament B. Hook C. Pili D. Fimbriae
I. Special protein tubular structures II. Longest flagellar portion III. Small bristle-like fibres IV. Part of bacterial flagellum
A. Filament B. Hook C. Pili D. Fimbriae
I. Special protein tubular structures II. Longest flagellar portion III. Small bristle-like fibres IV. Part of bacterial flagellum
100.Match List-I with List-II.
A. Phosphate granules B. Gas vacuoles C. Glycogen granules D. Inclusion bodies
I. Blue-green/purple/green photosynthetic bacteria II. Reserve material in cytoplasm III. Non-membrane free cytoplasmic bodies IV. Inclusion body example
A. Phosphate granules B. Gas vacuoles C. Glycogen granules D. Inclusion bodies
I. Blue-green/purple/green photosynthetic bacteria II. Reserve material in cytoplasm III. Non-membrane free cytoplasmic bodies IV. Inclusion body example
101.Match cell type with feature.
A. Plant cell B. Animal cell C. Almost all plant cells D. Animal cell division
I. Centrioles II. Cell wall/plastids/large vacuole III. Centrioles absent IV. Centrosome helps division
A. Plant cell B. Animal cell C. Almost all plant cells D. Animal cell division
I. Centrioles II. Cell wall/plastids/large vacuole III. Centrioles absent IV. Centrosome helps division
102.Match List-I with List-II.
A. Peripheral protein B. Integral protein C. Fluidity D. Fluid mosaic model
I. Buried partly or completely II. Lateral movement ability III. Singer and Nicolson IV. Surface of membrane
A. Peripheral protein B. Integral protein C. Fluidity D. Fluid mosaic model
I. Buried partly or completely II. Lateral movement ability III. Singer and Nicolson IV. Surface of membrane
103.Match process with feature.
A. Simple diffusion B. Osmosis C. Facilitated transport D. Active transport
I. Water diffusion II. Carrier needed for polar molecules III. ATP-dependent low-to-high movement IV. Neutral solutes high-to-low
A. Simple diffusion B. Osmosis C. Facilitated transport D. Active transport
I. Water diffusion II. Carrier needed for polar molecules III. ATP-dependent low-to-high movement IV. Neutral solutes high-to-low
104.Match List-I with List-II.
A. Algal wall B. Other plant wall C. Middle lamella D. Plasmodesmata
I. Calcium pectate II. Cellulose/hemicellulose/pectins/proteins III. Cytoplasmic connection IV. Cellulose/galactans/mannans/CaCO3
A. Algal wall B. Other plant wall C. Middle lamella D. Plasmodesmata
I. Calcium pectate II. Cellulose/hemicellulose/pectins/proteins III. Cytoplasmic connection IV. Cellulose/galactans/mannans/CaCO3
105.Match organelle with endomembrane status.
A. ER B. Golgi complex C. Chloroplast D. Peroxisome
I. Included II. Included III. Not included IV. Not included
A. ER B. Golgi complex C. Chloroplast D. Peroxisome
I. Included II. Included III. Not included IV. Not included
106.Match List-I with List-II.
A. RER B. SER C. Ribosomes on ER D. Outer nuclear membrane
I. Lipid/steroid synthesis II. Protein synthesis/secretion cells III. RER feature IV. RER continuous with it
A. RER B. SER C. Ribosomes on ER D. Outer nuclear membrane
I. Lipid/steroid synthesis II. Protein synthesis/secretion cells III. RER feature IV. RER continuous with it
107.Match Golgi feature with description.
A. Cisternae B. Cis face C. Trans face D. Golgi function
I. Forming/convex II. Maturing/concave III. Packaging and glycoprotein/glycolipid formation IV. Flat disc-shaped sacs
A. Cisternae B. Cis face C. Trans face D. Golgi function
I. Forming/convex II. Maturing/concave III. Packaging and glycoprotein/glycolipid formation IV. Flat disc-shaped sacs
108.Match List-I with List-II.
A. Lysosome B. Tonoplast C. Contractile vacuole D. Food vacuole
I. Osmoregulation/excretion in Amoeba II. Single vacuolar membrane III. Engulfed food particles IV. Golgi-derived hydrolase-rich vesicle
A. Lysosome B. Tonoplast C. Contractile vacuole D. Food vacuole
I. Osmoregulation/excretion in Amoeba II. Single vacuolar membrane III. Engulfed food particles IV. Golgi-derived hydrolase-rich vesicle
109.Match mitochondrial part with feature.
A. Cristae B. Matrix C. Mitochondria D. Fission
I. Division method II. Dense inner compartment substance with DNA/RNA/70S ribosomes III. ATP-producing aerobic respiration site IV. Inner membrane infoldings
A. Cristae B. Matrix C. Mitochondria D. Fission
I. Division method II. Dense inner compartment substance with DNA/RNA/70S ribosomes III. ATP-producing aerobic respiration site IV. Inner membrane infoldings
110.Match plastid type with feature.
A. Chloroplast B. Chromoplast C. Amyloplast D. Aleuroplast
I. Protein storage II. Chlorophyll/carotenoids and photosynthesis III. Carotenoid colour IV. Starch/carbohydrate storage
A. Chloroplast B. Chromoplast C. Amyloplast D. Aleuroplast
I. Protein storage II. Chlorophyll/carotenoids and photosynthesis III. Carotenoid colour IV. Starch/carbohydrate storage
111.Match chloroplast structure with feature.
A. Stroma B. Thylakoid C. Grana D. Lumen
I. Stack of thylakoids II. Space enclosed by thylakoid membrane III. Enzymes/DNA/ribosomes IV. Flattened membranous sac
A. Stroma B. Thylakoid C. Grana D. Lumen
I. Stack of thylakoids II. Space enclosed by thylakoid membrane III. Enzymes/DNA/ribosomes IV. Flattened membranous sac
112.Match ribosomal term with description.
A. 80S B. 70S C. Svedberg unit D. Ribosome composition
I. RNA and proteins II. 50S+30S III. Sedimentation coefficient IV. 60S+40S
A. 80S B. 70S C. Svedberg unit D. Ribosome composition
I. RNA and proteins II. 50S+30S III. Sedimentation coefficient IV. 60S+40S
113.Match chromosome type with centromere position.
A. Metacentric B. Sub-metacentric C. Acrocentric D. Telocentric
I. Terminal II. Middle equal arms III. Slightly away from middle IV. Close to end
A. Metacentric B. Sub-metacentric C. Acrocentric D. Telocentric
I. Terminal II. Middle equal arms III. Slightly away from middle IV. Close to end
114.Given below are two statements: Assertion A and Reason R.
Assertion A: Virchow modified the earlier cell theory.
Reason R: He explained that new cells arise from pre-existing cells.
Choose the correct answer.
Assertion A: Virchow modified the earlier cell theory.
Reason R: He explained that new cells arise from pre-existing cells.
Choose the correct answer.
115.Given below are two statements: Assertion A and Reason R.
Assertion A: Prokaryotic cells lack a membrane-bound nucleus.
Reason R: Their genetic material is naked and not enveloped by a nuclear membrane.
Choose the correct answer.
Assertion A: Prokaryotic cells lack a membrane-bound nucleus.
Reason R: Their genetic material is naked and not enveloped by a nuclear membrane.
Choose the correct answer.
116.Given below are two statements: Assertion A and Reason R.
Assertion A: Mycoplasma is an exception among prokaryotes with respect to cell wall.
Reason R: All prokaryotes have a thick capsule as glycocalyx.
Choose the correct answer.
Assertion A: Mycoplasma is an exception among prokaryotes with respect to cell wall.
Reason R: All prokaryotes have a thick capsule as glycocalyx.
Choose the correct answer.
117.Given below are two statements: Assertion A and Reason R.
Assertion A: Bacterial cell wall provides structural support.
Reason R: It determines cell shape and prevents bursting or collapsing.
Choose the correct answer.
Assertion A: Bacterial cell wall provides structural support.
Reason R: It determines cell shape and prevents bursting or collapsing.
Choose the correct answer.
118.Given below are two statements: Assertion A and Reason R.
Assertion A: Mesosomes increase functional efficiency of prokaryotic plasma membrane.
Reason R: They are plasma membrane extensions that increase surface area and enzymatic content.
Choose the correct answer.
Assertion A: Mesosomes increase functional efficiency of prokaryotic plasma membrane.
Reason R: They are plasma membrane extensions that increase surface area and enzymatic content.
Choose the correct answer.
119.Given below are two statements: Assertion A and Reason R.
Assertion A: Polysomes help translate mRNA into proteins.
Reason R: Several ribosomes may attach to a single mRNA molecule.
Choose the correct answer.
Assertion A: Polysomes help translate mRNA into proteins.
Reason R: Several ribosomes may attach to a single mRNA molecule.
Choose the correct answer.
120.Given below are two statements: Assertion A and Reason R.
Assertion A: Eukaryotic cells show extensive compartmentalisation.
Reason R: They possess membrane-bound organelles.
Choose the correct answer.
Assertion A: Eukaryotic cells show extensive compartmentalisation.
Reason R: They possess membrane-bound organelles.
Choose the correct answer.
121.Given below are two statements: Assertion A and Reason R.
Assertion A: Fluid nature of the membrane is important for endocytosis and cell division.
Reason R: Quasi-fluid lipids permit lateral movement of proteins within the bilayer.
Choose the correct answer.
Assertion A: Fluid nature of the membrane is important for endocytosis and cell division.
Reason R: Quasi-fluid lipids permit lateral movement of proteins within the bilayer.
Choose the correct answer.
122.Given below are two statements: Assertion A and Reason R.
Assertion A: Polar molecules require carrier proteins to cross the membrane.
Reason R: The lipid bilayer has a non-polar interior.
Choose the correct answer.
Assertion A: Polar molecules require carrier proteins to cross the membrane.
Reason R: The lipid bilayer has a non-polar interior.
Choose the correct answer.
123.Given below are two statements: Assertion A and Reason R.
Assertion A: Middle lamella glues neighbouring cells together.
Reason R: It is mainly made of calcium pectate.
Choose the correct answer.
Assertion A: Middle lamella glues neighbouring cells together.
Reason R: It is mainly made of calcium pectate.
Choose the correct answer.
124.Given below are two statements: Assertion A and Reason R.
Assertion A: Mitochondria are not considered part of the endomembrane system.
Reason R: Their functions are not coordinated with ER, Golgi, lysosomes and vacuoles in the way required for that system.
Choose the correct answer.
Assertion A: Mitochondria are not considered part of the endomembrane system.
Reason R: Their functions are not coordinated with ER, Golgi, lysosomes and vacuoles in the way required for that system.
Choose the correct answer.
125.Given below are two statements: Assertion A and Reason R.
Assertion A: Golgi apparatus remains closely associated with ER.
Reason R: Materials to be packaged in vesicles from ER fuse with cis face of Golgi and move toward maturing face.
Choose the correct answer.
Assertion A: Golgi apparatus remains closely associated with ER.
Reason R: Materials to be packaged in vesicles from ER fuse with cis face of Golgi and move toward maturing face.
Choose the correct answer.
126.Given below are two statements: Assertion A and Reason R.
Assertion A: Lysosomes can digest proteins, lipids, carbohydrates and nucleic acids.
Reason R: They contain hydrolytic enzymes optimally active at acidic pH.
Choose the correct answer.
Assertion A: Lysosomes can digest proteins, lipids, carbohydrates and nucleic acids.
Reason R: They contain hydrolytic enzymes optimally active at acidic pH.
Choose the correct answer.
127.Given below are two statements: Assertion A and Reason R.
Assertion A: Mitochondria are called power houses of the cell.
Reason R: They produce ATP during aerobic respiration.
Choose the correct answer.
Assertion A: Mitochondria are called power houses of the cell.
Reason R: They produce ATP during aerobic respiration.
Choose the correct answer.
128.Given below are two statements: Assertion A and Reason R.
Assertion A: Cells actively carrying out protein synthesis may have larger and more numerous nucleoli.
Reason R: Nucleolus is a site for active ribosomal RNA synthesis.
Choose the correct answer.
Assertion A: Cells actively carrying out protein synthesis may have larger and more numerous nucleoli.
Reason R: Nucleolus is a site for active ribosomal RNA synthesis.
Choose the correct answer.
129.In a fluid mosaic model diagram, a label pointing to a protein partly buried in the phospholipid bilayer should be identified as
130.In a labelled bacterial flagellum, the part extending from the cell surface to the outside and forming the longest portion is
131.In a plant cell-wall diagram, which label should be placed between neighbouring cell walls as the gluing layer?
132.Which sequence is correct for material movement through Golgi?
133.In a mitochondrion LS diagram, cristae are
134.In a chloroplast diagram, a stack of coin-like flattened sacs should be labelled as
135.A table shows 80S ribosome with blank subunits. Which entry completes it correctly?
136.In a transverse section of eukaryotic cilium, the classic axonemal arrangement is
137.A centriole diagram showing nine evenly spaced peripheral fibrils should label each peripheral fibril as a
138.In a nucleus diagram, pores interrupting the double nuclear envelope are best described as
139.A chromosome diagram shows centromere at the terminal end. It is
140.A small fragment-like part separated by a non-staining secondary constriction at a constant location is called
141.Consider the following features of prokaryotes.
A. Generally smaller and faster multiplying than eukaryotes.
B. No well-defined nucleus.
C. Membrane-bound organelles such as mitochondria are present.
D. Ribosomes are present.
E. Inclusion bodies are free in cytoplasm.
Choose the correct combination.
A. Generally smaller and faster multiplying than eukaryotes.
B. No well-defined nucleus.
C. Membrane-bound organelles such as mitochondria are present.
D. Ribosomes are present.
E. Inclusion bodies are free in cytoplasm.
Choose the correct combination.
142.Which combination is fully correct?
A. Phospholipid bilayer has hydrophobic tails inward.
B. Peripheral proteins lie on surface.
C. Passive transport requires ATP.
D. Active transport can move substances from lower to higher concentration.
E. Polar molecules may need carrier proteins.
A. Phospholipid bilayer has hydrophobic tails inward.
B. Peripheral proteins lie on surface.
C. Passive transport requires ATP.
D. Active transport can move substances from lower to higher concentration.
E. Polar molecules may need carrier proteins.
143.Select the correct combination.
A. Cell wall protects against mechanical damage and infection.
B. Middle lamella is mainly calcium pectate.
C. Plasmodesmata connect neighbouring cytoplasms.
D. Chloroplast is part of endomembrane system.
E. Vacuole is part of endomembrane system.
A. Cell wall protects against mechanical damage and infection.
B. Middle lamella is mainly calcium pectate.
C. Plasmodesmata connect neighbouring cytoplasms.
D. Chloroplast is part of endomembrane system.
E. Vacuole is part of endomembrane system.
144.Which combination is correct?
A. RER is active in protein secretion.
B. SER is a major lipid-synthesis site.
C. ER vesicles fuse with cis Golgi face.
D. Golgi releases modified proteins from trans face.
E. Lysosomes are hydrolase-rich vesicles formed by Golgi packaging.
A. RER is active in protein secretion.
B. SER is a major lipid-synthesis site.
C. ER vesicles fuse with cis Golgi face.
D. Golgi releases modified proteins from trans face.
E. Lysosomes are hydrolase-rich vesicles formed by Golgi packaging.
145.Identify the correct combination.
A. Mitochondria have cristae increasing surface area.
B. Mitochondrial matrix contains 70S ribosomes.
C. Chloroplast stroma contains circular DNA and ribosomes.
D. Chloroplast ribosomes are 80S like cytoplasm.
E. Mitochondria divide by fission.
A. Mitochondria have cristae increasing surface area.
B. Mitochondrial matrix contains 70S ribosomes.
C. Chloroplast stroma contains circular DNA and ribosomes.
D. Chloroplast ribosomes are 80S like cytoplasm.
E. Mitochondria divide by fission.
146.Which combination is correct?
A. Plastids occur in plant cells and euglenoids.
B. Chloroplasts have chlorophyll and carotenoids.
C. Chromoplasts may contain carotene and xanthophyll.
D. Amyloplasts store proteins.
E. Chlamydomonas may have one chloroplast per cell.
A. Plastids occur in plant cells and euglenoids.
B. Chloroplasts have chlorophyll and carotenoids.
C. Chromoplasts may contain carotene and xanthophyll.
D. Amyloplasts store proteins.
E. Chlamydomonas may have one chloroplast per cell.
147.Select the correct combination.
A. Cytoskeleton includes microtubules, microfilaments and intermediate filaments.
B. Cilia are shorter oar-like structures.
C. Axoneme usually has 9+2 array.
D. Centrioles have nine peripheral triplet fibrils.
E. Centrioles form basal bodies and spindle fibres in animal cells.
A. Cytoskeleton includes microtubules, microfilaments and intermediate filaments.
B. Cilia are shorter oar-like structures.
C. Axoneme usually has 9+2 array.
D. Centrioles have nine peripheral triplet fibrils.
E. Centrioles form basal bodies and spindle fibres in animal cells.
148.Which combination is correct?
A. Outer nuclear membrane may bear ribosomes.
B. Nucleolus is not membrane-bound and synthesises rRNA.
C. Chromatin contains DNA, histones, non-histone proteins and RNA.
D. Telocentric chromosome has terminal centromere.
E. Satellite is associated with secondary constriction.
A. Outer nuclear membrane may bear ribosomes.
B. Nucleolus is not membrane-bound and synthesises rRNA.
C. Chromatin contains DNA, histones, non-histone proteins and RNA.
D. Telocentric chromosome has terminal centromere.
E. Satellite is associated with secondary constriction.
149.A molecule is neutral and moves from its higher concentration outside the cell to lower concentration inside without ATP. Which process fits best?
150.A minute membrane-bound vesicle containing various enzymes is found in both plant and animal cells. According to the chapter, it is best identified as
Answer Key
12
22
33
41
52
63
73
82
91
102
113
122
132
143
152
161
172
182
192
202
213
222
232
242
251
262
272
284
293
302
312
322
331
342
351
361
371
381
391
401
411
424
431
441
451
461
471
484
491
504
511
521
534
541
551
561
571
584
591
601
614
621
631
641
651
661
671
681
691
701
714
724
734
743
754
764
773
784
793
804
813
824
834
844
854
864
874
884
894
904
913
924
934
944
953
961
971
981
991
1001
1011
1021
1031
1041
1051
1061
1071
1081
1091
1101
1111
1121
1131
1141
1151
1163
1171
1181
1191
1201
1211
1221
1231
1241
1251
1261
1271
1281
1292
1303
1312
1322
1332
1342
1352
1362
1372
1381
1394
1401
1411
1421
1431
1441
1451
1461
1471
1481
1492
1501