Cell - the unit of life MCQ Solved Paper for IIFT
Thursday 9th of March 2023
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1. Given below are some characters of a cell organelle identify the correct organelle which shows all the characters described above.
A. Golgi apparatus
B. Lysosomes
C. Endoplasmic reticulum
D. Vacuoles
Answer : D
- It is a membrane bound space found in the cytoplasm.
- It is bound by a single membrane called tonoplast.
- It contains water, sap, excretory products and other materials not useful to the cell.
- It has higher concentration of sap than the cytoplasm.
A. Golgi apparatus
B. Lysosomes
C. Endoplasmic reticulum
D. Vacuoles
Answer : D
2. Which of the following statements are incorrect ?
A. (i) and (iii)
B. (iii) and (iv)
C. (ii) and (iv)
D. (i) and (iv)
Answer : A
- Plant cells have centrioles which are absent in almost all animal cells.
- Ribosomes are the site of protein synthesis.
- The middle lamella is a layer mainly of calcium carbonate which holds the different neighbouring cells together.
- In animal cell, steroidal hormones are synthesized by smooth endoplasmic reticulum. Of the above statements
A. (i) and (iii)
B. (iii) and (iv)
C. (ii) and (iv)
D. (i) and (iv)
Answer : A
3. Select the incorrect statement about prokaryotic ribosomes.
A. 50S and 30S subunits unite to form 70S ribosomes.
B. Polysome/polyribosome consists of many ribosomes only.
C. Ribosome is the site of protein synthesis.
D. Polysome indicate the synthesis of identical poolypeptide in multiple copies.
Answer : B
A. 50S and 30S subunits unite to form 70S ribosomes.
B. Polysome/polyribosome consists of many ribosomes only.
C. Ribosome is the site of protein synthesis.
D. Polysome indicate the synthesis of identical poolypeptide in multiple copies.
Answer : B
4. Prokaryotic and eukaryotic flagella differ in the
A. type of movement and placement.
B. location and mode of functioning.
C. microtubular structure and function.
D. microtubular organization and type of movement.
Answer : D
A. type of movement and placement.
B. location and mode of functioning.
C. microtubular structure and function.
D. microtubular organization and type of movement.
Answer : D
5. The fluidity of membranes in a plant in cold weather may be maintained by
A. increasing the number of phospholipids with unsaturated hydrocarbon tails.
B. increasing the proportion of integral proteins.
C. increasing concentration of cholesterol in membrane.
D. increasing the number of phospholipids with saturated hydrocarbon tail.
Answer : A
A. increasing the number of phospholipids with unsaturated hydrocarbon tails.
B. increasing the proportion of integral proteins.
C. increasing concentration of cholesterol in membrane.
D. increasing the number of phospholipids with saturated hydrocarbon tail.
Answer : A
6. Match column-I with column-II and choose the correct option.
A. A III; B IV; C II; D I
B. A IV; B III; C II; D I
C. A I; B II; C III; D IV
D. A IV; B III; C I ; D II
Answer : A
| Column-I | Column-II |
|---|---|
| (Chromosome) | (Position of Centromere) |
| A. Metacentric | I. At the tip |
| B. Submetacentric | II. Almost near the tip |
| C. Acrocentric | III. At the middle |
| D. Telocentric | IV. Slightly away from the middle |
A. A III; B IV; C II; D I
B. A IV; B III; C II; D I
C. A I; B II; C III; D IV
D. A IV; B III; C I ; D II
Answer : A
7. Which of the following statements are correct?
A. Na+/K+ pump is an example of active transport.
B. In plant cells lipid like steroidal hormones are synthesized in SER.
C. In plant cells, the vacuoles can occupy up to 10% of the volume of the cell.
D. Chlorophyll and leucoplast are responsible for trapping light energy essential for photosynthesis.
Answer : A
A. Na+/K+ pump is an example of active transport.
B. In plant cells lipid like steroidal hormones are synthesized in SER.
C. In plant cells, the vacuoles can occupy up to 10% of the volume of the cell.
D. Chlorophyll and leucoplast are responsible for trapping light energy essential for photosynthesis.
Answer : A
8. Satellite means
A. terminal part of the chromosome beyond secondary constriction.
B. terminal part of the chromosome beyond primary constriction.
C. terminal part of chromosome beyond tertiary constriction.
D. none of the above
Answer : A
A. terminal part of the chromosome beyond secondary constriction.
B. terminal part of the chromosome beyond primary constriction.
C. terminal part of chromosome beyond tertiary constriction.
D. none of the above
Answer : A
9. Integral proteins of cell membrane occur on/in
A. inner surfaces
B. outer surfaces
C. phospholipid matrix
D. inner and outer surfaces
Answer : D
A. inner surfaces
B. outer surfaces
C. phospholipid matrix
D. inner and outer surfaces
Answer : D
10. Identify the components labelled A, B, C and D in the given section of cilia/flagella showing different parts. Choose the option which shows the correct labelling of parts.
A. A Plasma membrane, B Interdoublet bridge, C Central microtubule, D Radial spoke
B. A Plasma membrane, B Arm, C Central microtubule, D Radial spoke
C. A Plasma membrane, B Interdoublet bridge, C Hub, D Radial spoke
D. A Plasma membrane, B Interdoublet bridge, C Hub, D Arm
Answer : A
A. A Plasma membrane, B Interdoublet bridge, C Central microtubule, D Radial spoke
B. A Plasma membrane, B Arm, C Central microtubule, D Radial spoke
C. A Plasma membrane, B Interdoublet bridge, C Hub, D Radial spoke
D. A Plasma membrane, B Interdoublet bridge, C Hub, D Arm
Answer : A
11. You are asked to examine a cell using a powerful light microscope. The image you see has a clearly defined nucleus and mitochondria. It also has a large central vacuole and chloroplasts. From what group of organisms did this cell most likely come?
A. Bacteria
B. Protists
C. Fungi
D. Plants
Answer : D
A. Bacteria
B. Protists
C. Fungi
D. Plants
Answer : D
12. The following diagram represents a structure chromosome.
Identify the structures marked as A, B and C.
A. A - Satellite, B - Primary constriction, C - Acrocentric
B. A - Satellite, B - Secondary constriction, C - Metacentric
C. A - Satellite, B - Centromere, C - Telocentric
D. A - Satellite, B - Centromere, C - Submetacentric
Answer : B
Identify the structures marked as A, B and C.
A. A - Satellite, B - Primary constriction, C - Acrocentric
B. A - Satellite, B - Secondary constriction, C - Metacentric
C. A - Satellite, B - Centromere, C - Telocentric
D. A - Satellite, B - Centromere, C - Submetacentric
Answer : B
13. Read the folowing statements and identify the correct option.
A. (i) and (ii)
B. (ii) and (iv)
C. (i), (ii) and (iv)
D. None of the above
Answer : C
- Contractile vacuole takes part in osmoregulation and excretion.
- Food vacuole is formed by engulfing the food particles.
- The vacuole is bound by a double membrane called tonoplast.
- Vacuole can occupy upto 90 percent of the volume of the cell.
A. (i) and (ii)
B. (ii) and (iv)
C. (i), (ii) and (iv)
D. None of the above
Answer : C
14. Which of the following pair are correctly matched ?
(I) Amyloplasts Store proteins
(II) Mitochondrion Power house of the cell
(III) Stroma Chlorophyll pigment
(IV) Axoneme 9 + 2 array
A. (I) and (III) only
B. (II), (III) and (IV) only
C. (III) and (IV) only
D. (II) and (IV) only
Answer : D
(I) Amyloplasts Store proteins
(II) Mitochondrion Power house of the cell
(III) Stroma Chlorophyll pigment
(IV) Axoneme 9 + 2 array
A. (I) and (III) only
B. (II), (III) and (IV) only
C. (III) and (IV) only
D. (II) and (IV) only
Answer : D
15. Difference between the prokaryotic and eukaryotic cells in having
A. cell wall
B. nuclear membrane
C. ribosome
D. none of these
Answer : B
A. cell wall
B. nuclear membrane
C. ribosome
D. none of these
Answer : B
16. The main organelle involved in modification and routing of newly synthesized proteins to their destinations is
A. chloroplast
B. mitochondria
C. lysosome
D. endoplasmic reticulum
Answer : D
A. chloroplast
B. mitochondria
C. lysosome
D. endoplasmic reticulum
Answer : D
17. Which one of the following combination is mismatched?
A. Glycocalyx May be capsule or slime layer
B. Pili Reproduction
C. Cell wall Protective, determines shape, prevents from bursting
D. Flagella, pili and fimbriae Surface structures of bacterial cell
Answer : B
A. Glycocalyx May be capsule or slime layer
B. Pili Reproduction
C. Cell wall Protective, determines shape, prevents from bursting
D. Flagella, pili and fimbriae Surface structures of bacterial cell
Answer : B
18. Which of the following pair lack the unit membrane?
A. Nucleus and E.R.
B. Mitochondria and chloroplast
C. Ribosome and nucleolus
D. Golgi body and lysosome
Answer : C
A. Nucleus and E.R.
B. Mitochondria and chloroplast
C. Ribosome and nucleolus
D. Golgi body and lysosome
Answer : C
19. Which of the following is not the function of cell wall?
A. Only (i)
B. Only (iv)
C. Only (ii), (iii) and (iv)
D. None of the above
Answer : D
- Provides shape to the cell.
- Protects the cell from mechanical damage and infection.
- Helps in cell to cell interaction.
- Provides barrier to undesirable macromolecules.
A. Only (i)
B. Only (iv)
C. Only (ii), (iii) and (iv)
D. None of the above
Answer : D
20. Select the correct match of the types of neuron present in column I with its location given in column II.
A. A - (i), B - (ii), C - (iii), D - (iv)
B. A - (iii), B - (i), C - (ii), D - (iv)
C. A - (iii), B - (i), C - (iv), D - (ii)
D. A - (i), B - (iv), C - (iii), D - (ii)
Answer : B
| Column I | Column II |
|---|---|
| A. Centrioles | (i) Non-membrane bound organelle which helps in cell division |
| B. Fimbriae | (ii) Special structure of bacteria which help them to attach with rocks in stream and also to host tissue |
| C. Endomembrane | (iii) Includes those organelles system whose functions are coordinated |
| D. Mitochondria | (iv) Divide by fission and site of aerobic respiration |
A. A - (i), B - (ii), C - (iii), D - (iv)
B. A - (iii), B - (i), C - (ii), D - (iv)
C. A - (iii), B - (i), C - (iv), D - (ii)
D. A - (i), B - (iv), C - (iii), D - (ii)
Answer : B
21. Active transport differs from passive transport in that active transport
A. requires energy.
B. always requires input of ATP.
C. moves molecules against a concentration gradient.
D. both (a) and (c)
Answer : D
A. requires energy.
B. always requires input of ATP.
C. moves molecules against a concentration gradient.
D. both (a) and (c)
Answer : D
22. In prokaryotes, chromatophores are
A. specialized granules responsible for colouration of cells
B. structures responsible for organizing the shape of the organism.
C. inclusion bodies lying free inside the cells for carrying out various metabolic activities.
D. internal membrane system which becomes extensive and complex in photosynthetic bacteria.
Answer : D
A. specialized granules responsible for colouration of cells
B. structures responsible for organizing the shape of the organism.
C. inclusion bodies lying free inside the cells for carrying out various metabolic activities.
D. internal membrane system which becomes extensive and complex in photosynthetic bacteria.
Answer : D
23. Which of the following is absent in prokaryotes?
A. DNA
B. RNA
C. Plasma membrane
D. Mitochondria
Answer : D
A. DNA
B. RNA
C. Plasma membrane
D. Mitochondria
Answer : D
24. pH of vacuolar cell sap is
A. neutral and isotonic.
B. alkaline and isotonic.
C. acidic and hypertonic.
D. equal to cytoplasm and isotonic.
Answer : C
A. neutral and isotonic.
B. alkaline and isotonic.
C. acidic and hypertonic.
D. equal to cytoplasm and isotonic.
Answer : C
25. Function of RER is
A. autolysis
B. protein synthesis
C. lipid synthesis
D. carbohydrate synthesis
Answer : B
A. autolysis
B. protein synthesis
C. lipid synthesis
D. carbohydrate synthesis
Answer : B
26. The given figures show two types of cell. Which structures are common to both the cells?
A. Nucleus and cell wall
B. Nucleus and cytoplasm
C. Ribosomes and flagella
D. Ribosomes and cell wall
Answer : D
A. Nucleus and cell wall
B. Nucleus and cytoplasm
C. Ribosomes and flagella
D. Ribosomes and cell wall
Answer : D
27. Axoneme with 9 + 2 microtubular arrangement occurs in
A. cilia
B. flagella
C. both (a) and (b)
D. centriole
Answer : C
A. cilia
B. flagella
C. both (a) and (b)
D. centriole
Answer : C
28. Identify the components labelled as A, B, C, D and E in the diagram given below from the list (i) to (viii).
A. A - (viii), B - (v), C - (vii), D - (iii), E - (iv)
B. A - (i), B - (iv), C - (vii), D - (vi), E - (iii)
C. A - (vi), B - (v), C - (iv), D - (vii), E - (i)
D. A - (v), B - (i), C - (iii), D - (ii), E - (iv)
Answer : A
- Cristae of mitochondria
- Inner membrane of mitochondria
- Cytoplasm
- Smooth endoplasmic reticulum
- Rough endoplasmic reticulum
- Mitochondrial matrix
- Ribosome
- Nucleus
A. A - (viii), B - (v), C - (vii), D - (iii), E - (iv)
B. A - (i), B - (iv), C - (vii), D - (vi), E - (iii)
C. A - (vi), B - (v), C - (iv), D - (vii), E - (i)
D. A - (v), B - (i), C - (iii), D - (ii), E - (iv)
Answer : A
29. Choose the incorrect match.
A. Nucleus RNA
B. Lysosome Protein synthesis
C. Mitochondria Respiration
D. Cytoskeleton Microtubules
Answer : B
A. Nucleus RNA
B. Lysosome Protein synthesis
C. Mitochondria Respiration
D. Cytoskeleton Microtubules
Answer : B
30. Which one of the following organelle given below is correctly matched with its function ?
A. Golgi apparatus Protein synthesis
B. Golgi apparatus Formation of glycolipids
C. Rough endoplasmic reticulum Protein synthesis
D. Rough endoplasmic reticulum Formation of glycoproteins
Answer : C
A. Golgi apparatus Protein synthesis
B. Golgi apparatus Formation of glycolipids
C. Rough endoplasmic reticulum Protein synthesis
D. Rough endoplasmic reticulum Formation of glycoproteins
Answer : C
31. Which of the following will determines the shape of the cells and provides a strong structural support to prevent the bacterium from bursting or collapsing?
A. Plasmids
B. Cell wall
C. Mesosome
D. Cell membrane
Answer : B
A. Plasmids
B. Cell wall
C. Mesosome
D. Cell membrane
Answer : B
32. Golgi apparatus is concerned with
A. excretion
B. secretion
C. ATP synthesis
D. RNA synthesis br>Answer : A
A. excretion
B. secretion
C. ATP synthesis
D. RNA synthesis br>Answer : A
33. Which one of the following is not considered as part of the endomembrane system?
A. Golgi complex
B. Peroxisome
C. Vacuole
D. Lysosome
Answer : B
A. Golgi complex
B. Peroxisome
C. Vacuole
D. Lysosome
Answer : B
34. Which one of the following cellular parts is correctly matched with their characters ?
A. Centrioles Sites for active RNA synthesis.
B. Lysosomes Optimally active at a pH of about 8.5.
C. Thylakoids Flattened membranous sacs forming the grana of chloroplasts.
D. Ribosomes Those on chloroplasts are larger (80S) while those in the cytoplasm are smaller (70S).
Answer : C
A. Centrioles Sites for active RNA synthesis.
B. Lysosomes Optimally active at a pH of about 8.5.
C. Thylakoids Flattened membranous sacs forming the grana of chloroplasts.
D. Ribosomes Those on chloroplasts are larger (80S) while those in the cytoplasm are smaller (70S).
Answer : C
35. In which of the following the cells are held together by a Ca-pectate layer?
A. Primary cell wall
B. Secondary cell wall
C. Middle lamella
D. Tertiary cell wall
Answer : C
A. Primary cell wall
B. Secondary cell wall
C. Middle lamella
D. Tertiary cell wall
Answer : C
36. The membrane of the erythrocytes has approximately ___% of proteins and ___% lipids.
A. 42, 50
B. 52, 40
C. 50, 50
D. 60, 40
Answer : B
A. 42, 50
B. 52, 40
C. 50, 50
D. 60, 40
Answer : B
37. Match the items given in column-I with their role given in column-II and choose the correct option.
A. A V; B III; C I; D IV; E II
B. A V; B III: C II; D IV; E I
C. A II; B III; C I; D IV; E V
D. A III; B IV; C I; D V; E II
Answer : A
| Column-I | Column-II |
|---|---|
| A. SER | I. Increase the surface area |
| B. Golgi apparatus | II. Store oils or fats |
| C. Cristae | III. Excretion |
| D. Peroxisome | IV. Photorespiration |
| E. Elaioplasts | V. Synthesis of lipid |
A. A V; B III; C I; D IV; E II
B. A V; B III: C II; D IV; E I
C. A II; B III; C I; D IV; E V
D. A III; B IV; C I; D V; E II
Answer : A
38. A student placed two cells in the same solution in two different containers. The observation was given in the table.
Which structure maintains the shape of the cell present in container 2 and provides the most significant difference between the two cells?
A. Nucleus
B. Cell wall
C. Chloroplast
D. Cell membrane
Answer : B
| Container | Observation |
|---|---|
| 1 | Cell burst |
| 2 | Cell does not change its shape |
Which structure maintains the shape of the cell present in container 2 and provides the most significant difference between the two cells?
A. Nucleus
B. Cell wall
C. Chloroplast
D. Cell membrane
Answer : B
39. Statement 1: Centrosomes and centrioles are related to each other.
Statement 2: Centrosome usually contains two cylindrical structures called centrioles.
A. Both statements -1 and statement - 2 are true and statement - 2 is the correct explanation of statement - 1.
B. Both statements -1 and statement - 2 are true but statement - 2 is not the correct explanation of statement - 1.
C. Statement -1 is true and statement - 2 is false.
D. Statement -1 is false and statement - 2 is true.
Answer : A
Statement 2: Centrosome usually contains two cylindrical structures called centrioles.
A. Both statements -1 and statement - 2 are true and statement - 2 is the correct explanation of statement - 1.
B. Both statements -1 and statement - 2 are true but statement - 2 is not the correct explanation of statement - 1.
C. Statement -1 is true and statement - 2 is false.
D. Statement -1 is false and statement - 2 is true.
Answer : A
40. Match column I (cell type) with column II (size) and choose the correct option.
A. A I, B II, C III, D IV
B. A IV, B III, C II, D I
C. A I, B III, C II, D IV
D. A IV, B II, C III, D I
Answer : B
| Column-I | Column-II |
|---|---|
| (Cell type) | (Size) |
| A. Viruses | I. 1-2 ??m |
| B. PPLO | II. 10-20 ??m |
| C. Eukaryotic cell | III. About 0.1 ??m |
| D. Bacterium | IV. 0.02 - 0.2 ??m |
A. A I, B II, C III, D IV
B. A IV, B III, C II, D I
C. A I, B III, C II, D IV
D. A IV, B II, C III, D I
Answer : B
41. Match column-I with column-II and select the correct option.
A. A - IV, B - V, C - I, D - II
B. A - I, B - II, C - IV, D - III
C. A - IV, B - I, C - II, D - III
D. A - I, B - II, C - III, D - IV
Answer : A
| Column - I | Column - II |
|---|---|
| A. Golgi apparatus | I. Storage |
| B. Mitochondria | II. Photosynthesis |
| C. Vacuoles | III. Transport |
| D. Grana | IV. Secretion |
| .. | V. Respiration |
A. A - IV, B - V, C - I, D - II
B. A - I, B - II, C - IV, D - III
C. A - IV, B - I, C - II, D - III
D. A - I, B - II, C - III, D - IV
Answer : A
42. Match column-I with column-II and select the correct option.
A. A III, B II, C IV, D I
B. A II, B III, C IV, D I
C. A I, B III, C II, D IV
D. A IV, B II, C III, D I
Answer : A
| Column - I | Column - II |
|---|---|
| A. RER | I. Intracellular and extracellular digestion |
| B. Cell wall | II. Provide structural support to the cell |
| C. Flagella | III. Protein synthesis and secretion |
| D. Lysosomes | IV Responsible for cell movement |
A. A III, B II, C IV, D I
B. A II, B III, C IV, D I
C. A I, B III, C II, D IV
D. A IV, B II, C III, D I
Answer : A
43. Which one of the following pairs is not correctly matched?
A. Cristae The tubular structure formed by the folding of the inner membrane of the mitochondrion.
B. Plasmodesmata The membrane surrounding the vacuole in plants.
C. Grana Membrane bound discs in chloroplasts that contain chlorophylls and carotenoids.
D. Middle lamella Layer between adjacent cells walls in plants derived from cell plate.
Answer : B
A. Cristae The tubular structure formed by the folding of the inner membrane of the mitochondrion.
B. Plasmodesmata The membrane surrounding the vacuole in plants.
C. Grana Membrane bound discs in chloroplasts that contain chlorophylls and carotenoids.
D. Middle lamella Layer between adjacent cells walls in plants derived from cell plate.
Answer : B
44. Which of the following statement is false?
A. The ribosomes of a polysome translate the mRNA into protein.
B. Mitochondria divide by fragmentation.
C. All cell arise from pre-existing cells.
D. The lipid component of the membrane mainly consists of phosphoglycerides.
Answer : B
A. The ribosomes of a polysome translate the mRNA into protein.
B. Mitochondria divide by fragmentation.
C. All cell arise from pre-existing cells.
D. The lipid component of the membrane mainly consists of phosphoglycerides.
Answer : B
45. Polysome is a chain of
A. oxysomes
B. sphaerosomes
C. ribosomes
D. dictyosomes
Answer : C
A. oxysomes
B. sphaerosomes
C. ribosomes
D. dictyosomes
Answer : C
46. Golgi apparatus is absent in
A. higher plants
B. yeast
C. bacteria and blue-green algae
D. None of the above
Answer : C
A. higher plants
B. yeast
C. bacteria and blue-green algae
D. None of the above
Answer : C
47. Microtubules are absent in
A. mitochondria
B. centriole
C. flagella
D. spindle fibres
Answer : A
A. mitochondria
B. centriole
C. flagella
D. spindle fibres
Answer : A
48. Which of the following is incorrect ?
A. Mycoplasma is the smallest cell (0.3 �).
B. Bacteria are 3 to 5 �m in size.
C. The largest cell is the egg of an ostrich.
D. Nerve cells are some of the smallest cells.
Answer : D
A. Mycoplasma is the smallest cell (0.3 �).
B. Bacteria are 3 to 5 �m in size.
C. The largest cell is the egg of an ostrich.
D. Nerve cells are some of the smallest cells.
Answer : D
49. Who proposed the theory that Cells arise only from the pre-existing cells?
A. Mohl
B. Virchow
C. Haeckel
D. Brown
Answer : B
A. Mohl
B. Virchow
C. Haeckel
D. Brown
Answer : B
50. Match column-I (scientists) with column-II (discovery) and select the correct option.
A. A I, B III, C IV, D II
B. A I, B III, C II, D IV
C. A III, B I, C IV, D II
D. A I, B IV, C II, D III
Answer : A
| Column-I | Column-II |
|---|---|
| A. Leeuwenhoek | I. First saw and described a living cell |
| B. Robert Brown | II. Presence of cell wall is unique to plant cells |
| C. Schleiden | III. Discovered the nucleus |
| D. Schwann | IV. All plants are composed of different kind of cells |
A. A I, B III, C IV, D II
B. A I, B III, C II, D IV
C. A III, B I, C IV, D II
D. A I, B IV, C II, D III
Answer : A