11th class (FSc) Biology Unit 4 MCQs
Chapter 4 MCQs 11th Class Biology
The Cell:
1. Golgi apparatus is concerned with cell:
a. Storage
b. Division
c. Secretion
d. Lysis
2. Micrographia is the famous publication of:
a. Robert Kock
b. Robert Hooke
c. Rudolf Virchow
d. Robert Brown
3. The cells which secrete their hormones are:
a. Gland cells
b. Blood cells
c. Bone cells
d. Nerve cells
4.Resolution power of a typical compound microscope is:
a. 2.0pm
b. 300x
c. 2-4 Angstrom
d. 1.0pm
5. The resolution of human naked eye is:
a. 1 nm
b. 1 mm
c. 1 cm
d. 1 um
6. Omnis cellula-e-cellula was hypothesized by:
a. Louis Pasteur
b. Schleiden
c. Lorenz Oken
d. Rudolph Virchow
7. In 1831, the presence of nucleus in the cell was reported by:
a. Robert Mug Abe
b. Robert Koch
c. Robert Brown
d. Robert Hooke
8. Cell theory was formulated by:
a. Lorenz Oken
b. Watson and Crick
c. Louis Pasteur
d. Shleiden and Schwann
9. Robert Hooke reports his work in his famous publication known as:
a. Zoologia
b. Micrographia
c. Britanica
d. Biologia
10. The presence of nucleus inn the cell was reported by:
a. Schleiden
b. Lorenz Oken
c. Robert brown
d. Theodor Schwann
11. The resolution of human naked eye:
a. 1nm
b. 1mm
c. 1cm
d. 1um
12. Robert brown reported the presence of:
a. Mitochondria
b. Lysosomes
c. Nucleus
d. Ribosomes
13. Which statement about plastids is true?
a. They are found in all organisms
b. They are surrounded by a single membrane
c. They contain DNA and ribosomes
d. They are the power house of cell
14. Which type of cell would probably be most appropriate to study lysosomes?
a. Mesophyll cell of leaf
b. Phagocytic white blood cells
c. Muscle cell
d. Nerve cell
15. Which of the following pairs of structure-function is mismatched?
a. Golgi; muscle contraction
b. Ribosomes; protein synthesis
c. Lysosome; intracellular diagestion
d. Nucleolus; ribosome production
16. Which of the following statements about ribosomes is correct?
a. They are concentrated in the cisternal space of rough ER
b. They are structurally different from free ribosomes
c. They are attached to cisternal surface
d. They are enclosed in their own membrane
17. When cross-section of centriole is observed it shown as it consists of:
a. 11- microtubules
b. 9- microtubles
c. 6- microtubules
d. 3- microtubules
18. Organelle found in both prokaryotic and Eukaryotic cells:
a. Chloroplasts
b. Ribosomes
c. Lysosomes
d. Mitochondria
19. Organelle of symbiotic origin is:
a. Mitochondria
b. Cell wall
c. Vacuole
d. Cell membrane
20. The cells which transmit impulses are:
a. Kidney cells
b. Nerve cells
c. Bone cells
d. Blood cells
21. Which is found in primary wall?
a. Lignin
b. Silica
c. Cutin
d. Pectin
22. The diameter of peroxisome is approximately:
a. 0.4μm
b. 0.2μm
c. 0.5μm
d. 0.3μm
23. The soluble part of cytoplasm is called:
a. Polysome
b. Cisternae
c. Cytosol
d. Gel
24. Plastids are present only in:
a. Virus
b. Bacteria
c. Plant cell
d. Animal cell
25. Ribosomes are particles of:
a. Ribonucleo-protein
b. Riboglyco-protein
c. Ribonucleo-lipid
d. Riboglyco-lipid
26. Haeme portion of Haemoglobin contains an atom of:
a. Phosphorous
b. Magnesium
c. Copper
d. Iron
27. All are related to secondary cell wall, except:
a. Waxes
b. Cutin
c. Cellulose
d. Silica
28. The enzymes for Glyoxylate cycle are located in the:
a. Glyoxysomes
b. Golgi Bodies
c. Golgi complex
d. Lysosomes
29. Organelle ……… is concerned with cell secretion.
a. Centriole
b. Ribosomes
c. Golgi complex
d. Mitochondria
30. Cell walls of Prokaryotic Organisms lack cellulose, instead of cellulose its strengthening material is:
a. Cutin
b. Silica
c. Murein
d. Wax
31. Any foreign object that gains entry inside the cell is immediately engulfed by:
a. Peroxisome
b. Lysosome
c. Glyoxisome
d. Ribosome
32. Membrane bounded green pigment containing bodies present in the cells are called as:
a. Chromoplsts
b. Plastids
c. Leucoplasts
d. Chloroplasts
33. New ribosomes are assembled in:
a. Nucleolus
b. Cisternae
c. Lysosomes
d. Cristae
34. The fluid which surrounds the thylakoids is called:
a. Cytoplasm
b. Matrix
c. Nucleoplasm
d. Stroma
35. Centriole is associated with:
a. Respiration
b. DNA synthesis
c. Reproduction
d. Spindle formation
36. Glyoxysomes are most abundant in:
a. Liver cells
b. Human blood
c. Microorganisms
d. Plant seedlings
37. Proteins are synthesized by:
a. Lysosome
b. Polysome
c. Ribosome
d. Nucleosome
38. Palada was first person to study:
a. Ribosomes
b. Nucleus
c. Mitochondria
d. Peroxisome
39. De Due discovered the cell organelle:
a. Ribosomes
b. Mitochondria
c. Chloroplast
d. Lysosomes
40. The plasma membrane and everything present within it is called:
a. Cytoplasm
b. Chloroplast
c. Protoplasm
d. Protoplast
41. The percentage of lipids in plasma membrane is:
a. 20-40%
b. 60-80%
c. 10-20%
d. 30-60%
42. Cell wall is secreted by:
a. Golgi complex
b. Protoplasm
c. Ribosomes
d. Nucleoplasm
43. Chitin is found in cell wall of:
a. Fungi
b. Algae
c. Plants
d. Bacteria
44. A structure found attached to membranes in cell. It consists of 2 parts. Name it.
a. Lysosome
b. Golgi apparatus
c. Ribosome
d. Mitochondria
45. A group of ribosome attached to mRNA is known as:
a. Polysome
b. Lysosome
c. Glyoxisome
d. Peroxisome
46. Most of the cell secretions are in nature:
a. Carbohydrates
b. Proteins
c. Glycoproteins
d. Lipids
47. Tay-Sach’ s disease is because of absence of an enzyme. That is involved in catabolism of:
a. Proteins
b. Polysaccharides
c. Lipids
d. Oligosaccharides
48. Tay-Sach’s disease results due to accumulation, in brains cells of:
a. Proteins
b. Mg2+ions
c. Lipids
d. Glucose
49. The digestive vacuoles and autophagosomes are also called:
a. Endocytosis
b. Primary lysosomes
c. All above
d. Secondary lysosomes
50. What is not true about microfilaments?
a. Cyclosis
b. Actin
c. Linked with outer surface of plasma membrane
d. Amoeboid movement
51. The protein present in microtubules is:
a. Tubulin
b. Actin
c. Tropomyosin
d. Tetroses
52. The mitochondria functions in:
a. Photosynthesis
b. Lipid storage
c. Cellular respiration
d. Protein synthesis
53. Cristae are found in:
a. Endoplasmic reticulum
b. Golgi complex
c. Mitochondria
d. Chloroplast
54. Chromoplast impart colours to the plants other than:
a. Green
b. Yellow
c. Blue
d. Red
55. Stroma is a fluid in the chloroplast:
a. Granum
b. Thylakoids
c. Intergranum
d. Matrix
56. The size of prokaryotic ribosome is:
a. 70S
b. 30S
c. 80S
d. 50S
57. Infoldings of inner membrane of mitochondria are:
a. Cisternae
b. Granum
c. Cristae
d. Thylakoids
58. In many animal cells, the cell membrane helps to take in material by in folding in the form of vacuoles is called:
a. Osmosis
b. Endocytosis
c. Cyclosis
d. Exocytosis
59. The size of prokaryotic ribosomes is:
a. 70S
b. 30S
c. 80S
d. 50S
60. When cross section of centriole is observed it shows as it consists of:
a. 9- microtubules
b. 3- microtubules
c. 11- microtubules
d. 6- microtubules
61. Organelle ……… is concerned with cells secretion:
a. Centrioles
b. Ribosomes
c. Golgi complex
d. Mitochondria
62. Tay-Sach’s disease results due to accumulation, in brain cells of:
a. Proteins
b. Magnesium ions
c. Lipids
d. Glucose
64. Which statement about the nuclear envelop is not true?
a. Its inner membrane bears ribosomes
b. It has pores
c. RNA and some proteins pass through it
d. It is a double membrane structure
65. In eukaryotic cell, Ribosomes are assembled in:
a. Endoplasmic reticulum
b. Nucleus
c. Nucleolus
d. Cytoplasm
66. There are 3 or 4 pores in:
a. Liver cells
b. Egg cell
c. Neurons
d. Erythrocytes
67. A chromosome is composed of:
a. ATP
b. RNA
c. NAD
d. DNA
68. The number of chromosomes in sperm of Drosophila is:
a. 6
b. 8
c. 23
d. 4
69. The function of nucleolus is to make:
a. Ribosomes
b. rDNA
c. Chromosomes
d. RNA
70. Ribosomal RNA (rRNA) is synthesized and stored in:
a. Nucleus
b. Nucleolus
c. Chloroplast
d. Mitochondria
71. Robert Brown reported the present of:
a. Mito chondria
b. Lysosome
c. Nucleus
d. Ribosomes
72. The number of nuclear in erythrocytes is about:
a. 10
b. 4
c. 30
d. 7
73. Eukaryotes have pores nucleus:
a. 6 or 8
b. 3000
c. 3 or 4
d. 30,000
74. The number of chromosomes in fruity fly Drosophila:
a. 8
b. 16
c. 48
d. 26
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