1000+ Cell - the unit of life Multiple Choice Question Answer [Solved]
Thursday 9th of March 2023
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1. 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
2. Plastids are found in
A. all animal cells.
B. some animal cells.
C. all plant cells.
D. all plant cells and euglenoides.
Answer : D
A. all animal cells.
B. some animal cells.
C. all plant cells.
D. all plant cells and euglenoides.
Answer : D
3. Match column-I (cell organelle) with column-II membrane and select the correct option from the codes given below.
A. A - I, B - II, C - III
B. A - III, B - I, C - II
C. A - III, B - II, C - I
D. A - II, B - III, C - I
Answer : C
| Column-I | Column-II |
|---|---|
| A. Mitochondria | I. Without membrane |
| B. Lysosomes | II. Single membrane |
| C. Ribosomes | III. Double membrane |
A. A - I, B - II, C - III
B. A - III, B - I, C - II
C. A - III, B - II, C - I
D. A - II, B - III, C - I
Answer : C
4. 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
5. A component of cytoskeleton is
A. microtubule
B. bone
C. chitin
D. cartilage.
Answer : A
A. microtubule
B. bone
C. chitin
D. cartilage.
Answer : A
6. What would happen if lysosomes get ruptured in a cell?
A. Cell dies
B. Cell shrinks
C. Cell swell up
D. Nothing would happen
Answer : A
A. Cell dies
B. Cell shrinks
C. Cell swell up
D. Nothing would happen
Answer : A
7. 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
8. Which of the following statements is/are correct ?
A. (i), (ii), (iii) and (iv)
B. Only (i) and (ii)
C. Only (iv)
D. None of the above
Answer : A
- The shape of the cells may vary with the function they perform.
- Human RBC is about 7.0 ??m in diameter.
- Cytoplasm is the main area of cellular activities.
- Various chemical reactions occur in cytoplasm to keep the cell in the living state.
A. (i), (ii), (iii) and (iv)
B. Only (i) and (ii)
C. Only (iv)
D. None of the above
Answer : A
9. 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
10. Lysosomes contain
A. carbohydrates
B. hormones
C. nucleic acids
D. hydrolases.
Answer : D
A. carbohydrates
B. hormones
C. nucleic acids
D. hydrolases.
Answer : D
11. Basal bodies are associated with the formation of
A. phragmoplast
B. cilia and flagella
C. cell plate
D. kinetochore
Answer : B
A. phragmoplast
B. cilia and flagella
C. cell plate
D. kinetochore
Answer : B
12. Plastids storing fat are called
A. Elaioplasts
B. Sphaerosomes
C. Aleuroplasts
D. Pyrenoids
Answer : A
A. Elaioplasts
B. Sphaerosomes
C. Aleuroplasts
D. Pyrenoids
Answer : A
13. 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
14. Membranous extensions in blue green algae are known as
A. phytochrome
B. chromatophore
C. mesosome
D. pneumatophore
Answer : B
A. phytochrome
B. chromatophore
C. mesosome
D. pneumatophore
Answer : B
15. 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
16. 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
17. The given diagram shows the sectional view of a mitochondrion.
Identify the parts labelled as A, B, C, D & E
A. A - Outer membrane, B - Inner membrane, C - Matrix, D - Inter- membrane space, E - Crista
B. A - Outer membrane, B - Inner membrane, C - Intermembrane space, D - Matrix, E - Crista
C. A - Outer membrane, B - Inner membrane, C - Matrix, D - Crista, E - Inter - membrane space
D. A - Outer membrane, B - Inner membrane, C- Crista, D - Matrix, E - Inter-membrane space
Answer : A
Identify the parts labelled as A, B, C, D & E
A. A - Outer membrane, B - Inner membrane, C - Matrix, D - Inter- membrane space, E - Crista
B. A - Outer membrane, B - Inner membrane, C - Intermembrane space, D - Matrix, E - Crista
C. A - Outer membrane, B - Inner membrane, C - Matrix, D - Crista, E - Inter - membrane space
D. A - Outer membrane, B - Inner membrane, C- Crista, D - Matrix, E - Inter-membrane space
Answer : A
18. Which one of the following combination is mismatched?
A. Glycocalyx May be capsule or slime layer
B. Pili Reproduction
C. Cell wall Protective, determines hape, 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 hape, prevents from bursting
D. Flagella, pili and fimbriae Surface structures of bacterial cell
Answer : B
19. Nucleolus is
A. rounded structure found in cytoplasm near nucleus.
B. rounded structure inside nucleus and having rRNA.
C. rod-shaped structure in cytoplasm near the nucleus.
D. none of the above.
Answer : B
A. rounded structure found in cytoplasm near nucleus.
B. rounded structure inside nucleus and having rRNA.
C. rod-shaped structure in cytoplasm near the nucleus.
D. none of the above.
Answer : B
20. The cell theory was given in year 1839 by Schleiden and Schwann. According to this theory all organisms are composed of cell and cells are the basic unit of life.
How did this theory help in the field of science?
A. It helped to study the working of cells.
B. It helped in curing diseases caused by cell.
C. It helped in restating the earlier theories on cell.
D. It helped in introducing the use of microscopes to study cell.
Answer : A
How did this theory help in the field of science?
A. It helped to study the working of cells.
B. It helped in curing diseases caused by cell.
C. It helped in restating the earlier theories on cell.
D. It helped in introducing the use of microscopes to study cell.
Answer : A
21. Golgi apparatus is concerned with
A. excretion
B. secretion
C. ATP synthesis
D. RNA synthesis
Answer : A
A. excretion
B. secretion
C. ATP synthesis
D. RNA synthesis
Answer : A
22. An organalle devoid of membrane covering is
A. vacuole
B. ribosome
C. peroxisome
D. lysosome
Answer : B
A. vacuole
B. ribosome
C. peroxisome
D. lysosome
Answer : B
23. Consider the following statements and choose the correct statement.
A. (i) and (iii)
B. (ii) and (iv)
C. (iii) and (iv)
D. (ii) and (iii)
Answer : D
- The endomembrane system includes mitochondria, chloroplast and peroxisomes.
- Smooth endoplasmic reticulum is the major site for synthesis of lipid.
- Rough endoplasmic reticulum is actively involved in protein synthesis.
- Mitochondrial matrix possesses single circular DNA, a few RNA and 80S ribosomes. Of the above statements.
A. (i) and (iii)
B. (ii) and (iv)
C. (iii) and (iv)
D. (ii) and (iii)
Answer : D
24. 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
25. 9.A student was given cell samples (A and B) to identify parts which are highlighted. He observed the samples under the microscope and list down the function of the part of cell sample. The information collected by the student is listed in the table below, on the basis of which the student infers that the samples contain the organelles.
Explain why the samples were belonged to eukaryotic cell and not prokaryotic cell? Because,
A. eukaryotic cell have membrane bound organelles.
B. eukaryotic cell have non - membrane bound organelles.
C. eukaryotic cell are smaller and multiply more rapidly than prokaryotic cells.
D. eukaryotic cell are larger and multiply more rapidly than prokaryotic cells.
Answer : B
| Sample A | Sample B |
|---|---|
| Make energy available for cellular metabolism | Generates ATP and synthes izes s ugar |
| Absent in cell that carry oxygen throughout the body | Present in plant cell |
| Called the energy currency of cell | Source o f all the food energy |
Explain why the samples were belonged to eukaryotic cell and not prokaryotic cell? Because,
A. eukaryotic cell have membrane bound organelles.
B. eukaryotic cell have non - membrane bound organelles.
C. eukaryotic cell are smaller and multiply more rapidly than prokaryotic cells.
D. eukaryotic cell are larger and multiply more rapidly than prokaryotic cells.
Answer : B
26. 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
27. 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
28. The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C) and (D).
Select the part correctly matched with its function.
A. Part (D): Outer membrane Gives rise to inner membrane by splitting.
B. Part (B): Inner membrane Forms infoldings called cristae.
C. Part (C): Cristae Possess single circular DNA molecule and ribosomes.
D. Part (A): Matrix Major site for respiratory chain enzymes.
Answer : B
Select the part correctly matched with its function.
A. Part (D): Outer membrane Gives rise to inner membrane by splitting.
B. Part (B): Inner membrane Forms infoldings called cristae.
C. Part (C): Cristae Possess single circular DNA molecule and ribosomes.
D. Part (A): Matrix Major site for respiratory chain enzymes.
Answer : B
29. _______________ is the important site of formation of glycoproteins and golycolipids.
A. SER
B. Lysosome
C. Golgi apparatus
D. Mitochondria
Answer : C
A. SER
B. Lysosome
C. Golgi apparatus
D. Mitochondria
Answer : C
30. 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
31. Cell sap is a
A. living content of cytoplasm.
B. nonliving content of cytoplasm.
C. nonliving content of vacuole.
D. living content of vacuole.
Answer : C
A. living content of cytoplasm.
B. nonliving content of cytoplasm.
C. nonliving content of vacuole.
D. living content of vacuole.
Answer : C
32. 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. increasin 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. increasin the proportion of integral proteins.
C. increasing concentration of cholesterol in membrane.
D. increasing the number of phospholipids with saturated hydrocarbon tail.
Answer : A
33. 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
34. Match column-I with column-II and choose the correct option.
A. A IV; B III; C I; D II
B. A II; B III; C IV; D I
C. A IV; B II; C III; D I
D. A I; B III; C II; D IV
Answer : A
| Column-I | Column-II |
|---|---|
| A. Tonoplast | I. Contain digestive enzyme |
| B. Contractile vacuole | II. Store metabolic gases |
| C. Food vacuole | III. Excretion |
| D. Air vacuole | IV. Transport of ions in plants |
A. A IV; B III; C I; D II
B. A II; B III; C IV; D I
C. A IV; B II; C III; D I
D. A I; B III; C II; D IV
Answer : A
35. Active transport across biomembrane involves
A. production of ATP
B. requirement of energy
C. production of toxin
D. release of energy
Answer : B
A. production of ATP
B. requirement of energy
C. production of toxin
D. release of energy
Answer : B
36. 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
37. Microtubules, motor proteins, and actin filaments are all part of the
A. mechanism of photosynthesis that occurs in chloroplasts.
B. rough ER in prokaryotic cells.
C. cytoskeleton of eukaryotic cells.
D. process that moves small molecules across cell membranes.
Answer : C
A. mechanism of photosynthesis that occurs in chloroplasts.
B. rough ER in prokaryotic cells.
C. cytoskeleton of eukaryotic cells.
D. process that moves small molecules across cell membranes.
Answer : C
38. Extension of plasma membrane in prokaryotic cell is
A. mesosome
B. haploid
C. ribosome
D. none of these
Answer : A
A. mesosome
B. haploid
C. ribosome
D. none of these
Answer : A
39. 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
40. 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
41. Protein synthesis in an animal cell occurs
A. on ribosomes present in cytoplasm as well as in mitochondria.
B. on ribosomes present in the nucleolus as well as in cytoplasm.
C. only on ribosomes attached to the nuclears envelope and endoplasmic reticulum.
D. only on the ribosomes present in cytosol.
Answer : A
A. on ribosomes present in cytoplasm as well as in mitochondria.
B. on ribosomes present in the nucleolus as well as in cytoplasm.
C. only on ribosomes attached to the nuclears envelope and endoplasmic reticulum.
D. only on the ribosomes present in cytosol.
Answer : A
42. Which of the following pair are correctly matched.
A. Microtubules Structural components of cilia
B. Centrioles Store hydrolytic enzymes
C. Amyloplasts Store oil protein and starch in plants
A. A, B and C
B. A and B
C. A
D. A and C
Answer : C
A. Microtubules Structural components of cilia
B. Centrioles Store hydrolytic enzymes
C. Amyloplasts Store oil protein and starch in plants
A. A, B and C
B. A and B
C. A
D. A and C
Answer : C
43. Which of the following cell organelles were discovered after the introduction of electron microscope?
A. Mitochondria
B. Endoplasmic reticulum
C. Ribosomes
D. Both (b) and (c)
Answer : D
A. Mitochondria
B. Endoplasmic reticulum
C. Ribosomes
D. Both (b) and (c)
Answer : D
44. Which one of the following structures between two adjacent cells is an effective transport pathway?
A. Plasmodesmata
B. Plastoquinones
C. Endoplasmic reticulum
D. Plasmalemma
Answer : A
A. Plasmodesmata
B. Plastoquinones
C. Endoplasmic reticulum
D. Plasmalemma
Answer : A
45. 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
46. According to widely accepted fluid mosaic model cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several respects. In this regard, which of the following statements is incorrect?
A. Proteins in cell membranes can travel within the lipid bilayer.
B. Proteins can also undergo flip-flop movements in the lipid bilayer.
C. Proteins can remain confined within certain domains of the membrane.
D. Many proteins remain completely embedded within the lipid bilayer.
Answer : B
A. Proteins in cell membranes can travel within the lipid bilayer.
B. Proteins can also undergo flip-flop movements in the lipid bilayer.
C. Proteins can remain confined within certain domains of the membrane.
D. Many proteins remain completely embedded within the lipid bilayer.
Answer : B
47. 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 hashigher concentration of sap than the cytoplasm.
A. Golgi apparatus
B. Lysosomes
C. Endoplasmic reticulum
D. Vacuoles
Answer : D
48. 
Which cellular structure helps in transferring genetic information from one generation to another?
A. W
B. X
C. Y
D. Z
Answer : C
Which cellular structure helps in transferring genetic information from one generation to another?
A. W
B. X
C. Y
D. Z
Answer : C
49. 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
50. Which of these is wrongly matched?
A. Chloroplasts Chlorophyll
B. Elaioplasts Starch
C. Chromoplasts Carotenoids
D. Amyloplasts Carbohydrates
Answer : B
A. Chloroplasts Chlorophyll
B. Elaioplasts Starch
C. Chromoplasts Carotenoids
D. Amyloplasts Carbohydrates
Answer : B
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