Take 5 chapter-wise practice tests plus 1 full module test on Cell: The Unit of Life for NEET with +4/-1 scoring, answer review, and concise explanations.
Attempt 5 focused chapter practice tests and 1 mixed module test with original NEET-style Biology MCQs on cell theory, membranes, organelles, and chapter integration.
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1. Which statement best matches the core idea of modern cell theory?
Explanation: Cell theory treats the cell as the basic structural and functional unit of life, and new cells originate from pre-existing cells.
2. The observation that new cells come from pre-existing cells was strongly supported by:
Explanation: Virchow emphasised continuity of life by stating that every cell arises from another cell.
3. A prokaryotic cell typically lacks which structure?
Explanation: Prokaryotes do not have a true nucleus enclosed by a nuclear membrane, though they do contain DNA.
4. In bacteria, the main chromosomal DNA is usually found in the:
Explanation: The bacterial chromosome lies in an irregular nucleoid region rather than inside a membrane-bound nucleus.
5. Which cell component is mainly responsible for selective entry and exit of substances?
Explanation: The plasma membrane is selectively permeable and regulates movement of materials into and out of the cell.
6. Cell walls of higher plants are primarily composed of:
Explanation: Plant cell walls are mainly cellulose based, unlike fungal walls with chitin and bacterial walls with peptidoglycan.
7. The middle lamella between adjacent plant cells is rich in:
Explanation: The middle lamella acts like a cementing layer and contains pectic compounds, especially calcium pectate.
8. Why do most cells remain microscopically small?
Explanation: Smaller cells exchange materials more efficiently because their surface area remains high relative to their volume.
9. Small circular DNA molecules that may carry useful traits in bacteria are called:
Explanation: Plasmids are extra-chromosomal DNA circles that often carry traits such as antibiotic resistance.
10. A student compares bacterial, fungal, and plant walls. Which match is correct?
Explanation: The major wall materials differ across kingdoms, making this a common classification-based NEET question.
11. Revision Booster 1. Recheck this Cell: The Unit of Life concept with a fresh option order. Which statement best matches the core idea of modern cell theory?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Cell theory treats the cell as the basic structural and functional unit of life, and new cells originate from pre-existing cells.
12. Revision Booster 2. Recheck this Cell: The Unit of Life concept with a fresh option order. The observation that new cells come from pre-existing cells was strongly supported by:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Virchow emphasised continuity of life by stating that every cell arises from another cell.
13. Revision Booster 3. Recheck this Cell: The Unit of Life concept with a fresh option order. A prokaryotic cell typically lacks which structure?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Prokaryotes do not have a true nucleus enclosed by a nuclear membrane, though they do contain DNA.
14. Revision Booster 4. Recheck this Cell: The Unit of Life concept with a fresh option order. In bacteria, the main chromosomal DNA is usually found in the:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The bacterial chromosome lies in an irregular nucleoid region rather than inside a membrane-bound nucleus.
15. Revision Booster 5. Recheck this Cell: The Unit of Life concept with a fresh option order. Which cell component is mainly responsible for selective entry and exit of substances?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The plasma membrane is selectively permeable and regulates movement of materials into and out of the cell.
16. Revision Booster 6. Recheck this Cell: The Unit of Life concept with a fresh option order. Cell walls of higher plants are primarily composed of:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Plant cell walls are mainly cellulose based, unlike fungal walls with chitin and bacterial walls with peptidoglycan.
17. Revision Booster 7. Recheck this Cell: The Unit of Life concept with a fresh option order. The middle lamella between adjacent plant cells is rich in:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The middle lamella acts like a cementing layer and contains pectic compounds, especially calcium pectate.
18. Revision Booster 8. Recheck this Cell: The Unit of Life concept with a fresh option order. Why do most cells remain microscopically small?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Smaller cells exchange materials more efficiently because their surface area remains high relative to their volume.
19. Revision Booster 9. Recheck this Cell: The Unit of Life concept with a fresh option order. Small circular DNA molecules that may carry useful traits in bacteria are called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Plasmids are extra-chromosomal DNA circles that often carry traits such as antibiotic resistance.
20. Revision Booster 10. Recheck this Cell: The Unit of Life concept with a fresh option order. A student compares bacterial, fungal, and plant walls. Which match is correct?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The major wall materials differ across kingdoms, making this a common classification-based NEET question.
21. Revision Booster 11. Recheck this Cell: The Unit of Life concept with a fresh option order. Which statement best matches the core idea of modern cell theory?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Cell theory treats the cell as the basic structural and functional unit of life, and new cells originate from pre-existing cells.
22. Revision Booster 12. Recheck this Cell: The Unit of Life concept with a fresh option order. The observation that new cells come from pre-existing cells was strongly supported by:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Virchow emphasised continuity of life by stating that every cell arises from another cell.
23. Revision Booster 13. Recheck this Cell: The Unit of Life concept with a fresh option order. A prokaryotic cell typically lacks which structure?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Prokaryotes do not have a true nucleus enclosed by a nuclear membrane, though they do contain DNA.
24. Revision Booster 14. Recheck this Cell: The Unit of Life concept with a fresh option order. In bacteria, the main chromosomal DNA is usually found in the:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The bacterial chromosome lies in an irregular nucleoid region rather than inside a membrane-bound nucleus.
25. Revision Booster 15. Recheck this Cell: The Unit of Life concept with a fresh option order. Which cell component is mainly responsible for selective entry and exit of substances?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The plasma membrane is selectively permeable and regulates movement of materials into and out of the cell.
26. Movement of water across a selectively permeable membrane is called:
Explanation: Osmosis specifically refers to movement of water through a selectively permeable membrane from higher to lower water potential.
27. Diffusion differs from active transport because diffusion:
Explanation: Diffusion is a passive process. Active transport requires energy to move substances against a gradient.
28. The fluid mosaic model explains the plasma membrane as a:
Explanation: According to the fluid mosaic model, proteins are arranged within a fluid phospholipid bilayer.
29. When a plant cell is placed in a strongly hypertonic solution, it usually undergoes:
Explanation: In a hypertonic medium, water leaves the plant cell and the protoplast shrinks away from the cell wall.
30. Re-expansion of a plasmolysed plant cell after transfer to pure water is called:
Explanation: Water re-enters the cell in a hypotonic medium and the protoplast again presses against the wall.
31. Which intercellular junction mainly helps neighbouring animal cells resist mechanical stress?
Explanation: Desmosomes provide strong adhesion between animal cells, especially in tissues subject to stretching.
32. Plasmodesmata are best described as:
Explanation: Plasmodesmata link neighbouring plant cells and enable communication and transport.
33. Which process can be grouped under bulk transport by membrane infolding?
Explanation: Endocytosis involves engulfing materials through membrane infolding, unlike diffusion-based processes.
34. In the plasma membrane, carbohydrate chains are most commonly associated with:
Explanation: Carbohydrates occur as glycoproteins and glycolipids and often participate in recognition events.
35. A cell accumulates Na+ from a dilute medium into a more concentrated cytoplasm. The process most likely requires:
Explanation: Movement against the concentration gradient needs energy and usually a carrier or pump protein.
36. Revision Booster 1. Recheck this Cell: The Unit of Life concept with a fresh option order. Movement of water across a selectively permeable membrane is called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Osmosis specifically refers to movement of water through a selectively permeable membrane from higher to lower water potential.
37. Revision Booster 2. Recheck this Cell: The Unit of Life concept with a fresh option order. Diffusion differs from active transport because diffusion:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Diffusion is a passive process. Active transport requires energy to move substances against a gradient.
38. Revision Booster 3. Recheck this Cell: The Unit of Life concept with a fresh option order. The fluid mosaic model explains the plasma membrane as a:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. According to the fluid mosaic model, proteins are arranged within a fluid phospholipid bilayer.
39. Revision Booster 4. Recheck this Cell: The Unit of Life concept with a fresh option order. When a plant cell is placed in a strongly hypertonic solution, it usually undergoes:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. In a hypertonic medium, water leaves the plant cell and the protoplast shrinks away from the cell wall.
40. Revision Booster 5. Recheck this Cell: The Unit of Life concept with a fresh option order. Re-expansion of a plasmolysed plant cell after transfer to pure water is called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Water re-enters the cell in a hypotonic medium and the protoplast again presses against the wall.
41. Revision Booster 6. Recheck this Cell: The Unit of Life concept with a fresh option order. Which intercellular junction mainly helps neighbouring animal cells resist mechanical stress?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Desmosomes provide strong adhesion between animal cells, especially in tissues subject to stretching.
42. Revision Booster 7. Recheck this Cell: The Unit of Life concept with a fresh option order. Plasmodesmata are best described as:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Plasmodesmata link neighbouring plant cells and enable communication and transport.
43. Revision Booster 8. Recheck this Cell: The Unit of Life concept with a fresh option order. Which process can be grouped under bulk transport by membrane infolding?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Endocytosis involves engulfing materials through membrane infolding, unlike diffusion-based processes.
44. Revision Booster 9. Recheck this Cell: The Unit of Life concept with a fresh option order. In the plasma membrane, carbohydrate chains are most commonly associated with:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Carbohydrates occur as glycoproteins and glycolipids and often participate in recognition events.
45. Revision Booster 10. Recheck this Cell: The Unit of Life concept with a fresh option order. A cell accumulates Na+ from a dilute medium into a more concentrated cytoplasm. The process most likely requires:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Movement against the concentration gradient needs energy and usually a carrier or pump protein.
46. Revision Booster 11. Recheck this Cell: The Unit of Life concept with a fresh option order. Movement of water across a selectively permeable membrane is called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Osmosis specifically refers to movement of water through a selectively permeable membrane from higher to lower water potential.
47. Revision Booster 12. Recheck this Cell: The Unit of Life concept with a fresh option order. Diffusion differs from active transport because diffusion:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Diffusion is a passive process. Active transport requires energy to move substances against a gradient.
48. Revision Booster 13. Recheck this Cell: The Unit of Life concept with a fresh option order. The fluid mosaic model explains the plasma membrane as a:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. According to the fluid mosaic model, proteins are arranged within a fluid phospholipid bilayer.
49. Revision Booster 14. Recheck this Cell: The Unit of Life concept with a fresh option order. When a plant cell is placed in a strongly hypertonic solution, it usually undergoes:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. In a hypertonic medium, water leaves the plant cell and the protoplast shrinks away from the cell wall.
50. Revision Booster 15. Recheck this Cell: The Unit of Life concept with a fresh option order. Re-expansion of a plasmolysed plant cell after transfer to pure water is called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Water re-enters the cell in a hypotonic medium and the protoplast again presses against the wall.
51. Which cell organelle contains the genetic material in most eukaryotic cells?
Explanation: The eukaryotic nucleus houses chromosomes and coordinates many cellular activities.
52. The nucleolus is mainly associated with the formation of:
Explanation: The nucleolus is a dense nuclear region involved in rRNA synthesis and ribosome assembly.
53. Rough endoplasmic reticulum appears rough because it bears attached:
Explanation: RER has ribosomes on its cytosolic surface and is closely linked with protein synthesis.
54. Smooth endoplasmic reticulum is especially important in:
Explanation: SER participates in lipid synthesis and detoxification, especially in liver cells.
55. A major role of the Golgi apparatus is to:
Explanation: Golgi cisternae process and sort proteins and lipids for secretion or intracellular use.
56. Lysosomes are rich in hydrolytic enzymes and are therefore often linked with:
Explanation: Lysosomes contain digestive enzymes that break down unwanted or engulfed material.
57. The inner membrane folds of a mitochondrion are called:
Explanation: Cristae increase inner membrane surface area and support ATP-generating reactions.
58. Mitochondria are considered semi-autonomous because they possess:
Explanation: Mitochondria have some genetic and protein-synthesising capacity, though they still depend on the cell.
59. Which statement about ribosomes is correct?
Explanation: Ribosomes are not membrane-bound and are the sites where proteins are assembled.
60. Which set belongs to the endomembrane system in eukaryotic cells?
Explanation: These organelles are functionally connected through vesicular trafficking and membrane flow.
61. Revision Booster 1. Recheck this Cell: The Unit of Life concept with a fresh option order. Which cell organelle contains the genetic material in most eukaryotic cells?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The eukaryotic nucleus houses chromosomes and coordinates many cellular activities.
62. Revision Booster 2. Recheck this Cell: The Unit of Life concept with a fresh option order. The nucleolus is mainly associated with the formation of:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The nucleolus is a dense nuclear region involved in rRNA synthesis and ribosome assembly.
63. Revision Booster 3. Recheck this Cell: The Unit of Life concept with a fresh option order. Rough endoplasmic reticulum appears rough because it bears attached:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. RER has ribosomes on its cytosolic surface and is closely linked with protein synthesis.
64. Revision Booster 4. Recheck this Cell: The Unit of Life concept with a fresh option order. Smooth endoplasmic reticulum is especially important in:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. SER participates in lipid synthesis and detoxification, especially in liver cells.
65. Revision Booster 5. Recheck this Cell: The Unit of Life concept with a fresh option order. A major role of the Golgi apparatus is to:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Golgi cisternae process and sort proteins and lipids for secretion or intracellular use.
66. Revision Booster 6. Recheck this Cell: The Unit of Life concept with a fresh option order. Lysosomes are rich in hydrolytic enzymes and are therefore often linked with:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Lysosomes contain digestive enzymes that break down unwanted or engulfed material.
67. Revision Booster 7. Recheck this Cell: The Unit of Life concept with a fresh option order. The inner membrane folds of a mitochondrion are called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Cristae increase inner membrane surface area and support ATP-generating reactions.
68. Revision Booster 8. Recheck this Cell: The Unit of Life concept with a fresh option order. Mitochondria are considered semi-autonomous because they possess:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Mitochondria have some genetic and protein-synthesising capacity, though they still depend on the cell.
69. Revision Booster 9. Recheck this Cell: The Unit of Life concept with a fresh option order. Which statement about ribosomes is correct?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Ribosomes are not membrane-bound and are the sites where proteins are assembled.
70. Revision Booster 10. Recheck this Cell: The Unit of Life concept with a fresh option order. Which set belongs to the endomembrane system in eukaryotic cells?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. These organelles are functionally connected through vesicular trafficking and membrane flow.
71. Revision Booster 11. Recheck this Cell: The Unit of Life concept with a fresh option order. Which cell organelle contains the genetic material in most eukaryotic cells?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The eukaryotic nucleus houses chromosomes and coordinates many cellular activities.
72. Revision Booster 12. Recheck this Cell: The Unit of Life concept with a fresh option order. The nucleolus is mainly associated with the formation of:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The nucleolus is a dense nuclear region involved in rRNA synthesis and ribosome assembly.
73. Revision Booster 13. Recheck this Cell: The Unit of Life concept with a fresh option order. Rough endoplasmic reticulum appears rough because it bears attached:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. RER has ribosomes on its cytosolic surface and is closely linked with protein synthesis.
74. Revision Booster 14. Recheck this Cell: The Unit of Life concept with a fresh option order. Smooth endoplasmic reticulum is especially important in:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. SER participates in lipid synthesis and detoxification, especially in liver cells.
75. Revision Booster 15. Recheck this Cell: The Unit of Life concept with a fresh option order. A major role of the Golgi apparatus is to:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Golgi cisternae process and sort proteins and lipids for secretion or intracellular use.
76. Which plastid carries out photosynthesis in green plant cells?
Explanation: Chloroplasts contain chlorophyll and the photosynthetic machinery.
77. Colourless plastids mainly associated with storage are called:
Explanation: Leucoplasts are colourless storage plastids and include amyloplasts, elaioplasts, and aleuroplasts.
78. Which plastid type is especially linked with carotenoid pigmentation in fruits and flowers?
Explanation: Chromoplasts store coloured pigments other than chlorophyll and contribute to bright plant colours.
79. In mature plant cells, the large central vacuole is enclosed by the:
Explanation: The tonoplast is the membrane that surrounds the vacuole.
80. A major contribution of the central vacuole in plant cells is:
Explanation: The vacuole stores cell sap and helps maintain turgidity and osmotic balance.
81. Peroxisomes are notable because they contain enzymes involved in:
Explanation: Peroxisomes contain oxidases and catalase, which detoxify hydrogen peroxide.
82. The cytoskeleton helps the cell mainly by providing:
Explanation: Microtubules, microfilaments, and intermediate filaments support architecture and movement.
83. Cilia and flagella in eukaryotes share a common structural pattern of:
Explanation: The classic 9+2 arrangement is a hallmark of eukaryotic cilia and flagella.
84. In many animal cells, centrioles are involved mainly in:
Explanation: Centrioles participate in organising microtubules and help during cell division.
85. Which option correctly matches a storage plastid with its usual reserve material?
Explanation: Amyloplasts store starch, whereas other leucoplast variants may store oils or proteins.
86. Revision Booster 1. Recheck this Cell: The Unit of Life concept with a fresh option order. Which plastid carries out photosynthesis in green plant cells?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Chloroplasts contain chlorophyll and the photosynthetic machinery.
87. Revision Booster 2. Recheck this Cell: The Unit of Life concept with a fresh option order. Colourless plastids mainly associated with storage are called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Leucoplasts are colourless storage plastids and include amyloplasts, elaioplasts, and aleuroplasts.
88. Revision Booster 3. Recheck this Cell: The Unit of Life concept with a fresh option order. Which plastid type is especially linked with carotenoid pigmentation in fruits and flowers?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Chromoplasts store coloured pigments other than chlorophyll and contribute to bright plant colours.
89. Revision Booster 4. Recheck this Cell: The Unit of Life concept with a fresh option order. In mature plant cells, the large central vacuole is enclosed by the:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The tonoplast is the membrane that surrounds the vacuole.
90. Revision Booster 5. Recheck this Cell: The Unit of Life concept with a fresh option order. A major contribution of the central vacuole in plant cells is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The vacuole stores cell sap and helps maintain turgidity and osmotic balance.
91. Revision Booster 6. Recheck this Cell: The Unit of Life concept with a fresh option order. Peroxisomes are notable because they contain enzymes involved in:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Peroxisomes contain oxidases and catalase, which detoxify hydrogen peroxide.
92. Revision Booster 7. Recheck this Cell: The Unit of Life concept with a fresh option order. The cytoskeleton helps the cell mainly by providing:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Microtubules, microfilaments, and intermediate filaments support architecture and movement.
93. Revision Booster 8. Recheck this Cell: The Unit of Life concept with a fresh option order. Cilia and flagella in eukaryotes share a common structural pattern of:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The classic 9+2 arrangement is a hallmark of eukaryotic cilia and flagella.
94. Revision Booster 9. Recheck this Cell: The Unit of Life concept with a fresh option order. In many animal cells, centrioles are involved mainly in:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Centrioles participate in organising microtubules and help during cell division.
95. Revision Booster 10. Recheck this Cell: The Unit of Life concept with a fresh option order. Which option correctly matches a storage plastid with its usual reserve material?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Amyloplasts store starch, whereas other leucoplast variants may store oils or proteins.
96. Revision Booster 11. Recheck this Cell: The Unit of Life concept with a fresh option order. Which plastid carries out photosynthesis in green plant cells?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Chloroplasts contain chlorophyll and the photosynthetic machinery.
97. Revision Booster 12. Recheck this Cell: The Unit of Life concept with a fresh option order. Colourless plastids mainly associated with storage are called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Leucoplasts are colourless storage plastids and include amyloplasts, elaioplasts, and aleuroplasts.
98. Revision Booster 13. Recheck this Cell: The Unit of Life concept with a fresh option order. Which plastid type is especially linked with carotenoid pigmentation in fruits and flowers?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Chromoplasts store coloured pigments other than chlorophyll and contribute to bright plant colours.
99. Revision Booster 14. Recheck this Cell: The Unit of Life concept with a fresh option order. In mature plant cells, the large central vacuole is enclosed by the:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The tonoplast is the membrane that surrounds the vacuole.
100. Revision Booster 15. Recheck this Cell: The Unit of Life concept with a fresh option order. A major contribution of the central vacuole in plant cells is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The vacuole stores cell sap and helps maintain turgidity and osmotic balance.
101. Which feature is present in plant cells but absent in typical animal cells?
Explanation: Typical animal cells lack a cell wall, whereas plant cells possess a cellulose-rich wall.
102. A structure found in both mitochondria and chloroplasts is:
Explanation: Both organelles are semi-autonomous and retain some genetic machinery of their own.
103. Which pair correctly distinguishes prokaryotes from eukaryotes?
Explanation: This is one of the most fundamental differences between the two cellular organisations.
104. Which structure is common to both prokaryotic and eukaryotic cells?
Explanation: Both cell types contain ribosomes for protein synthesis, though their sizes differ.
105. A secretory protein synthesised on ribosomes is most likely to pass in sequence through:
Explanation: Secreted proteins are synthesised on RER, modified in Golgi bodies, and then transported in vesicles.
106. Which organelle is most directly linked with ATP production during aerobic respiration?
Explanation: Mitochondria are widely called the powerhouses of the cell because they generate much of the ATP.
107. Chromatin becomes distinctly visible as chromosomes mainly during:
Explanation: During interphase chromatin is diffuse, but during division it condenses into visible chromosomes.
108. Which option contains only non-membranous structures?
Explanation: These are not enclosed by membranes, unlike organelles such as mitochondria, ER, or lysosomes.
109. A cell specialised for steroid synthesis would be expected to show a well-developed:
Explanation: SER is strongly associated with lipid and steroid synthesis, making it abundant in such cells.
110. If the hydrolytic enzymes of lysosomes spill widely into the cytoplasm, the most likely result is:
Explanation: Lysosomal enzymes can digest cellular material, which is why lysosomes are associated with intracellular digestion.
111. Revision Booster 1. Recheck this Cell: The Unit of Life concept with a fresh option order. Which feature is present in plant cells but absent in typical animal cells?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Typical animal cells lack a cell wall, whereas plant cells possess a cellulose-rich wall.
112. Revision Booster 2. Recheck this Cell: The Unit of Life concept with a fresh option order. A structure found in both mitochondria and chloroplasts is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Both organelles are semi-autonomous and retain some genetic machinery of their own.
113. Revision Booster 3. Recheck this Cell: The Unit of Life concept with a fresh option order. Which pair correctly distinguishes prokaryotes from eukaryotes?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. This is one of the most fundamental differences between the two cellular organisations.
114. Revision Booster 4. Recheck this Cell: The Unit of Life concept with a fresh option order. Which structure is common to both prokaryotic and eukaryotic cells?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Both cell types contain ribosomes for protein synthesis, though their sizes differ.
115. Revision Booster 5. Recheck this Cell: The Unit of Life concept with a fresh option order. A secretory protein synthesised on ribosomes is most likely to pass in sequence through:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Secreted proteins are synthesised on RER, modified in Golgi bodies, and then transported in vesicles.
116. Revision Booster 6. Recheck this Cell: The Unit of Life concept with a fresh option order. Which organelle is most directly linked with ATP production during aerobic respiration?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Mitochondria are widely called the powerhouses of the cell because they generate much of the ATP.
117. Revision Booster 7. Recheck this Cell: The Unit of Life concept with a fresh option order. Chromatin becomes distinctly visible as chromosomes mainly during:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. During interphase chromatin is diffuse, but during division it condenses into visible chromosomes.
118. Revision Booster 8. Recheck this Cell: The Unit of Life concept with a fresh option order. Which option contains only non-membranous structures?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. These are not enclosed by membranes, unlike organelles such as mitochondria, ER, or lysosomes.
119. Revision Booster 9. Recheck this Cell: The Unit of Life concept with a fresh option order. A cell specialised for steroid synthesis would be expected to show a well-developed:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. SER is strongly associated with lipid and steroid synthesis, making it abundant in such cells.
120. Revision Booster 10. Recheck this Cell: The Unit of Life concept with a fresh option order. If the hydrolytic enzymes of lysosomes spill widely into the cytoplasm, the most likely result is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Lysosomal enzymes can digest cellular material, which is why lysosomes are associated with intracellular digestion.
121. Revision Booster 11. Recheck this Cell: The Unit of Life concept with a fresh option order. Which feature is present in plant cells but absent in typical animal cells?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Typical animal cells lack a cell wall, whereas plant cells possess a cellulose-rich wall.
122. Revision Booster 12. Recheck this Cell: The Unit of Life concept with a fresh option order. A structure found in both mitochondria and chloroplasts is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Both organelles are semi-autonomous and retain some genetic machinery of their own.
123. Revision Booster 13. Recheck this Cell: The Unit of Life concept with a fresh option order. Which pair correctly distinguishes prokaryotes from eukaryotes?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. This is one of the most fundamental differences between the two cellular organisations.
124. Revision Booster 14. Recheck this Cell: The Unit of Life concept with a fresh option order. Which structure is common to both prokaryotic and eukaryotic cells?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Both cell types contain ribosomes for protein synthesis, though their sizes differ.
125. Revision Booster 15. Recheck this Cell: The Unit of Life concept with a fresh option order. A secretory protein synthesised on ribosomes is most likely to pass in sequence through:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Secreted proteins are synthesised on RER, modified in Golgi bodies, and then transported in vesicles.