MCQ TEST Chapter No: 4 “THE CELL”

Q:1: Which one of following is true about chloroplast

(A) It is underground part
(B) It helps in pollination
(C) Self replicating organelle
(D) Involve in Lipid synthesis

Q:2: One of the following is not double membranous structure

(A) Mitochondrion
(B) Vacuole
(C) Chloroplast
(D) Nucleus

Q3: Tay Sach’s disease is because of

(A) Accumulation of proteins
(B) Accumulation of glycogen
(C) Accumulation of lipids
(D) Accumulation of vitamins

Q:4: Modification of proteins and lipids as glycopeptides and lipo-proteins occur in

(A) Ribosomes
(B) Golgi apparatus
(C) SER
(D) All A, B and C

Q:5: Ribosomes are chemically composed of

(A) Protein
(B) Only DNA
(C) RNA
(D) Both A + C

Q:6: Detoxification of harmful drugs is the function

(A) RER
(B) SER
(C) Both A and B
(D) None of the above

Q:7: Which type of cell would probably be most appropriate to study chloroplasts

(A) Conducting cell
(B) Photosynthetic cell
(C) Pericycle cell
(D) All options are correct

Q:8: Cell wall consist of

(A) One main layer
(B) Two main layers
(C) Three main layers
(D) Four main layers

Q:9: Leucoplast are found

(A) Petals
(B) Ripened fruits
(C) Underground parts
(D) Leaves

Q:10: The intake of solid food by infloding of cell membrane is called

(A) Exocytosis
(B) Pinocytosis
(C) Phagocytosis
(D) Both B and C

Q:11: The structure within a cell that distinguishes the cell as being eukaryotic, and prokaryotic is

(A) Ribosomes
(B) Cell membrane
(C) Cell wall
(D) Nucleus

Q:12: Microtubules consist of helically stacked molecules of the protein

(A) Actin
(B) Myosin
(C) Keratin
(D) Tubulin

Q:13: The microfilaments composed of

(A) Actin protein
(B) Gelatin protein
(C) Keratin protein
(D) Tubulin protein

Q:14: Lysosomes have

(A) Single-layered membrane
(B) Double-layered membrane
(C) Three-layered membrane
(D) No membrane

Q:15: Which of the following are regularly assembled and disassembled during cell cycle.

(A) Microtubules
(B) Intermediate filaments
(C) Both A and B
(D) None of these

Q:16: Plant cell wall

(A) Provide rigidity to the cell
(B) Maintains cell shape
(C) Prevents expansion of cell
(D) All A, B and C

Q:17: In which organelle following reaction takes place

6 CO2 + 6 H2O + energy (from sunlight) ---------> C6H12O6 + 6 O2

(A) Mitochondrion
(B) Peroxisome
(C) Chloroplast
(D) Glyoxysome

Q:18: SER is abundant in cells that are involved in

(A) Lipid metabolism
(B) Protein metabolism
(C) Glucose metabolism
(D) Calcium metabolism

Q:19: The transport vesicles from the Endoplasmic Reticulum (ER) fuse with the _____________________ of the Golgi apparatus.

(A) Cis face
(B) Trans face
(C) Coated face
(D) Both A and B

Q:20: The door to your house is like the __________________ of a cell membrane?

(A) Phospholipid bilayer
(B) Integral protein
(C) Recognition protein
(D) Peripheral protein

Q:21: A semi permeable membrane is stretched across a chamber filled with water. The membrane is only permeable to water. 60 mg of salt is added to the left side of the chamber. Which of the following will happen?

(A) Water will move toward the right side
(B) salt will move toward the right side
(C) Water will move toward the left side
(D) salt will move toward the left side

Q:22: Dye injected into a plant cell might be able to enter an adjacent cell through a

(A) Tight junction
(B) Microtubule
(C) Desmosome
(D) Plasmodesma

Q:23: What are the two faces of the Golgi body?

(A) Funny face and goofy face
(B) Coated face and non-coated face
(C) Saving face and loosing face
(D) Cis face and Trans face

Q:24: Adjacent plant cells are “cemented” together by

(A) Their primary walls
(B) Their secondary walls
(C) A middle lamella
(D) Plasmodesmata

Q:25: What is a microscope's ability to distinguish between separate objects that are close together?

(A) Magnification
(B) Contrast
(C) Resolving power
(D) Scanning power

Q:26: What is the power of the objective lens of a microscope if an eyepiece of power 10x is used and the total magnification of the object is 40x?

(A) 4
(B) 10
(C) 40
(D) 400

Q:27: Within chloroplasts, light is captured by

(A) Grana within cisternae
(B) Thylakoids within grana
(C) Cisternae within grana
(D) Grana within thylakoids

Q:28: If a gene mutation prevents formation of an enzyme normally used by a lysosomes, a disease may result known as

(A) Lysosomal abstracted disease
(B) Lysosomal secretory disease
(C) Lysosomal storage disease
(D) All A, B and C

Q:29: Sodium ions are "pumped" from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of

(A) Diffusion
(B) Passive transport
(C) Osmosis
(D) Active transport

Q:30: The diagram below shows the structure of chloroplast. The structure labeled as x is





















(A) Granum
(B) Stroma
(C) Frets
(D) Lamella

Q:31: Which of the following correctly matches an organelle with its function?

(A) Mitochondrion . . . photosynthesis
(B) Nucleus . . . cellular respiration
(C) Ribosome . . . manufacture of lipids
(D) Central vacuole . . . storage

Q:32: By which of the following can movement of materials across animal cell membranes be accomplished?
I Active transport, II Diffusion, III Pinocytosis

(A) I only
(B) II only
(C) I and II only
(D) All I, II, and III

Q:33: Hydrogen peroxide degradation in a cell is a function of

(A) Ribosomes
(B) Mitochondria
(C) Peroxisomes
(D) Glyoxisomes


Q:34: Cells are commonly studied in the lab. If you were examining various unlabelled slides of cells under the microscope, you could tell if the cell was from a plant by the presence of

(A) A nucleus
(B) A cell membrane
(C) Cytoplasm
(D) A cell wall

Q:35: Ribosomes are constructed in the

(A) Endoplasmic reticulum
(B) Nucleoid
(C) Nucleolus
(D) Nuclear pore

Q:36: Each chloroplast encloses a system of flattened, membranous sacs called

(A) Cristae
(B) Thylakoids
(C) Plastids
(D) Cisternae

Q:37: Which one of the following is an exception to cell theory

(A) Bacteria
(B) Viruses
(C) Protists
(D) Protozoans

Q:38: The site of enzymes directing the metabolic oxidation (respiration), ATP synthesis and considered as power house of cell are

(A) Lysosomes
(B) Microsomes
(C) Mitochondria
(D) Golgi apparatus

Q:39: Dictyosome is also known as

(A) Golgi body
(B) Ribosome
(C) Lysosome
(D) Peroxisome

Q:40: Biochemically the ribosome consists of _______________ and some 50 structural ______________.

(A) mRNA, Carbohydrates
(B) tRNA, lipids
(C) mRNA, Proteins
(D) rRNA, Proteins

Q:41: It is a mesh of interconnected membranes that serve a function involving protein synthesis and transport.

(A) Endoplasmic reticulum
B) Cytoskeleton
(C) Golgi apparatus
(D) Both A and B

Q:42: Plant cells contain the following 3 things not found in animal cells _________, _____________ and ______________.

(A) Plastids / Chlorophyll / Membrane
(B) Chloroplast / Cell wall / Golgi body
(C) Plastids / Cell wall / Chlorophyll
(D) Mitochondria / Cell wall /

Q:43: The largest organelle in a mature living plant cell is the

(A) Chloroplast
(B) Nucleus
(C) Central vacuole
(D) Dictyosomes

Q:44: Which of the following structure-function pairs is mismatched?

(A) Lysosome-intracellular digestion
(B) Golgi body-secretion of cell products
(C) Ribosome-protein synthesis
(D) Glyoxysome-detoxification

Q:45: The three-dimensional network of protein filaments within the cytoplasm of eukaryotic cells is called the

(A) Endoplasmic reticulum
(B) Golgi apparatus
(C) Cytoskeleton
(D) None of these

Q:46: Which of the following is NOT a membranous organelle?

(A) Lysosomes
(B) Peroxisomes
(C) Centrioles
(D) Mitochondria

Q:47: A cell that is missing lysosomes would have difficulty doing what?

(A) Digesting food
(B) Storing energy
(C) Packaging proteins
(D) Moving cytoplasm

Q:48: Which of the following cell part is described as a "fluid mosaic"?

(A) Chloroplast
(B) Vacuole
(C) Cell membrane
(D) Endoplasmic reticulum

Q:49: What part of the cell serves as the intracellular highway?

(A) Endoplasmic reticulum
(B) Golgi apparatus
(C) Cell membrane
(D) Mitochondria

Q:50: Which of the following would you NOT find in a bacterial cell?

(A) DNA
(B) Cell membrane
(C) Golgi apparatus
(D) Ribosomes

Q:51: Somatic cells of a human have ____ chromosomes and are called

(A) 10, haploid
(B) 92, diploid
(C) 23, haploid
(D) 46, diploid

Q:52: Each chromosome consists of two identical

(A) Genes
(B) Nuclei
(C) Chromatids
(D) Bases

Q:53: An animal has 80 chromosomes in its gametes, how many chromosomes would you expect to find in this animal's brain cells?

(A) 120
(B) 240
(C) 40
(D) 160

Q:54: The length of each mitochondrion is about

(A) 1.0 μm
(B) 0.2 μm
(C) 10 μm
(D) 2.0 μm

Q:55: Isolation of cellular components to determine their chemical composition is called

(A) Cell differentiation
(B) Chromatography
(C) Cell fractionation
(D) All of these

Q:56: According to mosaic model by Singer and Nicholson plasma membrane is composed of

(A) Phospholipids
(B) Extrinsic proteins
(C) Intrinsic proteins
(D) All of these

Q:57: Robert Brown is well known for his discovery of

(A) Chloroplast
(B) Photometer
(C) Nucleus
(D) Nucleolus

Q:58: Which organelle releases oxygen

(A) Mitochondrion
(B) Chloroplast
(C) Glyoxysome
(D) Both A and B

Q:59: Endoskeleton of a cell is made up of

(A) Microtubules
(B) Microfilaments
(C) Intermediate filaments
(D) All of these

Q:60: Ribosomes are attached with ER by

(A) Larger subunit
(B) Smaller subunit
(C) Na+ ions
(D) None of these

Q:61: The outer most layer of cell wall is

(A) Primary wall
(B) Secondary wall
(C) Middle lamella
(D) Plasma membrane

Q:62: Infoldings of inner membrane in mitochondria are called

(A) Grana
(B) Thyallkoids
(C) Cristae
(D) Frets

Q:63: Chromosome with equal arms is called

(A) Metacentric
(B) Sub-metacentric
(C) Acrocentric
(D) Telocentric

Q:64: A chromosome with the centromere located very close to one end so that the shorter arm is very small is termed as

(A) Telocentric
(B) Sub-telocentric
(C) Acrocentric
(D) Both B and C

Q:65: The matrix surrounding the grana in the inner membrane of chloroplasts is

(A) Cytosol
(B) Frets
(C) Stroma
(D) Inter-granal lamellae

Q:66: A chromosome whose centromere lies at one end.

(A) Sum-metacentric
(B) Metacentric
(C) Telocentric
(D) Acrocentric

Q:67: Lysosomes arise from,

(A) Nucleus
(B) Endoplasmic reticulum
(C) Golgi apparatus
(D) Cell membrane

Q:68: The primary structural component(s) of centrioles is (are):

(A) Microtubules
(B) Microfilaments
(C) Intermediate filaments
(D) Basal bodies

Q:69: The process of self-digestion of selective non-functional organelles by a cell through the action of enzymes originating within the cell is referred to as

(A) Pinocytosis
(B) Endocytosis
(C) Autophagy
(D) Cytotoxicity

Q:70: :″Proteins icebergs in a sea of lipids” is stated by

(A) Lamellar Model
(B) Unit-membrane Model
(C) Fluid-Mosaic model
(D) Micellar Model

Q:71: The chloroplast develop from

(A) ER
(B) Golgi complex
(C) Nuclear membrane
(D) Proplastids

Q:72: Peroxisomes and Glyoxisomes are

(A) Energy transducers
(B) Membrane-less organelles
(C) Micro bodies
(D) Basal bodies

Q:73: These are involved in conversion of fats to carbohydrates by oxidation of fats.

(A) Peroxisomes
(B) Microsomes
(C) Glyoxisomes
(D) Phagosomes

Q:74: Xanthophyll is a pigment having

(A) Yellow colour
(B) Green colour
(C) Red colour
D) Blue colour

Q:75: The covering of vacuole is known as

(A) Chromoplast
B) Chloroplast
(C) Amyloplast
(D) Tonoplast

Q:76: Insulin is secreted from cells in this way

(A) Endocytosis
(B) Pinocytosis
(C) Phagocytosis
(D) Exocytosis

Q:77: ________________ increases size of an object.

(A) Magnification
(B) Resolution
(C) Resolving power
(D) Contrast

Q:78: The chromosome " B " in this diagram is












(A) Metacentric
(B) Sub-metacentric
(C) Acrocentric
(D) Telocentric


Q:79: Select the correct for label" B " in this diagram.















(A) Endoplasmic reticulum
(B) Peroxisome
(C) Golgi apparatus
(D) Glyoxysome

Q:80: Which of the following organelles or structures is found in both plant and animal cells?

(A) Central vacuole
(B) Tonoplast
(C) Cell wall
(D) Peroxisomes










Answer Key:

1. C
2. B
3. C
4. B
5. D
6. B
7. B
8. C
9. C
10. C
11. D
12. D
13. A
14. A
15. A
16. D
17. C
18. A
19. A
20. B
21. C
22. D
23. D
24. C
25. C
26. A
27. B
28. C
29. D
30. A
31. D
32. D
33. C
34. D
35. C
36. B
37. B
38. C
39. A
40. D
41. A
42. C
43. C
44. D
45. C
46. C
47. A
48. C
49. A
50. C
51. D
52. C
53. D
54. C
55. C
56. D
57. C
58. B
59. D
60. A
61. C
62. C
63. A
64. D
65. C
66. C
67. C
68. A
69. C
70. C
71. D
72. C
73. C
74. A
75. D
76. D
77. A
78. B
79. C
80. D