cellbiology - supply- jntu old question papers

Code No: 33111 Set No. 1
II B.Tech I Semester Supplimentary Examinations, May/Jun 2009
CELL BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Describe the structure of a generalized prokaryotic cell. Indicate the ways in which
a prokaryotic cell would differ in structure from the generalized eukaryotic cell. [16]
2. What are microtubules structurally and functionally? [16]
3. What are cell organelles? Why are mitochondria important for the functioning of
eukaryotic cells? [16]
4. What are Lysosomal & Vacuolar membrane pumps? [16]
5. During which phase of mitosis do the nucleolus and the nuclear membrane break
down and disappear? Describe the roles that the spindle fibers play in mitosis.
[16]
6. Q14. Write short notes on:
(a) Pattern of stem cell division
(b) Different types of stem cells. [8+8]
7. How are receptors involved in cellular regulation? [16]
8. Citing a suitable example, explain the role of cAMP as secondary messenger in
hormone action. [16]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1
Code No: 33111 Set No. 2
II B.Tech I Semester Supplimentary Examinations, May/Jun 2009
CELL BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Compare and contrast the properties and strategies of eukaryotic and prokaryotic
cells in terms of cell size, compartmentalization, nuclei, internal membranes, DNA
and cell specialization. [16]
2. Discuss the major components of plasma membrane. [16]
3. Discuss each of the following:
(a) the structure and role of the cell membrane
(b) the structure and role of mitochondria. [16]
4. What is the difference between simple diffusion and Fasciliated diffusion? [16]
5. Give an overview of the major events taking place in a typical eukaryotic cell cycle.
[16]
6. With respect to cell differentiation write notes on:
(a) Cytoplasmic determinants
(b) Nucleoplasmic interactions. [8+8]
7. Briefly explain the different classes of cell surface receptors. [16]
8. Using a suitable example discuss the role of secondary messengers in signal trans-
duction. [16]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1
Code No: 33111 Set No. 3
II B.Tech I Semester Supplimentary Examinations, May/Jun 2009
CELL BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. How can you determine whether a unicellular organism is a prokaryote or a eukary-
ote? Justify your statement with suitable illustrations. [16]
2. Discuss the importance of Carbon in a living cell. [16]
3. Cite the one unique function of each of the following: plasma membrane, nucleus,
nuclear envelope, mitochondrion, chloroplast, RER, SER, Golgi complex, secretory
vesicles, lysosome, peroxisomes, ribosomes, cytoskeleton, microtubules, microfila-
ments, intermediate filaments, extracellular matrix, cell wall. [16]
4. What are Lysosomal & Vacuolar membrane pumps? [16]
5. Write about the early experiments, which led to the discovery of cyclin dependent
kinases. [16]
6. Using suitable examples explain cytoplasmic determinants in cell differentiation.
[16]
7. Define a “receptor”. Discuss briefly the different types of receptors. [16]
8. Define signal transduction and explain it briefly. [16]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1
Code No: 33111 Set No. 4
II B.Tech I Semester Supplimentary Examinations, May/Jun 2009
CELL BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Compare and contrast the properties and strategies of eukaryotic and prokaryotic
cells in terms of cell size, compartmentalization, nuclei, internal membranes, DNA
and cell specialization. [16]
2. Justify the statement “Plasma membrane acts as a semi-permeable membrane in
libing cells”. [16]
3. What is the function of Peroxisomes? Where are they present? [16]
4. Describe the process of receptor-mediated endocytosis with suitable illustrations.
[16]
5. Drawl and label the cell cycle and describe the events that occur during each
stage/phase of the cell cycle. [16]
6. Discuss the general characteristics of cell differentiation. [16]
7. What role does flagellar motion play in bacterial chemo taxis? [16]
8. Define signal transduction and explain it briefly. [16]
⋆ ⋆ ⋆ ⋆ ⋆
1 of 1

cellbiology-btechbiotechnology-jntu-oldquestionpapers-2008/

Code No: R05212303 Set No. 4
II B.Tech I Semester Supplimentary Examinations, November 2008
CELL BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. With a neat labelled diagram explain the structure of a typical Prokaryotic cell.
[16]
2. Write notes on the following: [8 × 2 = 16]
(a) kinesins & Dyenins
(b) Myosins
3. How are lysosomes synthesized? Discuss their relation with endocytosis process in
a cell. [16]
4. Describe the process of receptor-mediated endocytosis with suitable illustrations.
[16]
5. What is the cell cycle? What are the stages of the cell cycle? How does the cell
cycle vary among dierent types of cells? [16]
6. Explain the term ”determinants” in cell dierentiation using suitable examples.[16]
7. What is the importance of receptors in cells? [16]
8. Define ”hormone”? What are the 4 major chemical classes of hormones? How
can you distinguish between a hormone & a neurotransmitter and hormones and
pheromones? [16]

cellbiology-old question papers-jntu-btechbiotechnology-2008

Code No: R05212303 Set No. 3
II B.Tech I Semester Supplimentary Examinations, November 2008
CELL BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. What are the basisc properties of any living cell? [16]
2. What is meant by Motor proteins with respect to cytoskeleton. Explain citing
suitable examples. [16]
3. What are cell organelles? Why are mitochondria important for the functioning of
eukaryotic cells? [16]
4. Discuss the roles of [8 × 2 = 16]
(a) V-class proton pumps
(b) ABC Superfamily
in transport of substances across Plasma membrane.
5. Write about the early experiments, which led to the discovery of cyclin dependent
kinases. [16]
6. Using suitable examples explain Nucleoplasmic interactions in cell dierentiation.
[16]
7. What is the importance of receptors in cells? [16]
8. With respect to secondary messengers, write short notes on:
(a) cAMP
(b) cGMP. [8+8]

cellbiology-set-2-jntu-btechbiotechnology-2008-cellbiologyold question papers

Code No: R05212303 Set No. 2
II B.Tech I Semester Supplimentary Examinations, November 2008
CELL BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. Enumerate the characteristics of a living Cell. [16]
2. Explain with respect to plasma membrane structure [8 × 2 = 16]
(a) Fluid mosaic model
(b) Carbohydrate moieties
3. Describe the organization of the membranes of a chloroplast. How does this orga-
nization dier from that of mitochondria? [16]
4. Explain the process of endocytosis wiht in a cell in detail. [16]
5. Write short notes on:
(a) Interphase
(b) Cytokinesis. [8+8]
6. Using suitable examples explain cytoplasmic determinants in cell dierentiation.
[16]
7. Describe the major classes of cell surface receptors. Define briefly G-protein linked
and enzyme linked receptors? [16]
8. Write a short note on cGMP as secondary messenger in cell signaling. [16]

cellbiology-btechbiotechnology-jntu -old question papers-November 2008

Code No: R05212303 Set No. 1
II B.Tech I Semester Supplimentary Examinations, November 2008
CELL BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. What are the basisc properties of any living cell? [16]
2. Describe three functions of microtubules and microfilament. Compare and contrast
microtubule assembly and intermediate filament assembly. [16]
3. What is the function of Peroxisomes? Where are they present? [16]
4. Give an overview of the various types of transport proteins which help in transport
across Plasma membrane. [16]
5. What happens during interphase? What structure cannot be seen in interphase
but can be seen in prophase? [16]
6. How are blood cells formed through stem cell concept? [16]
7. Discuss about the receptors that bind to DNA. [16]
8. Give a detailed account of the action of steroid hormones on cells. [16]

cellbiology-2-1-btechbiotechnology-oldquestion papers

--------------------------------------- 1


CODE NO: R050212303 SET NO. 4
2007 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
II B.TECH I SEMESTER REGULAR EXAMINATIONS
CELL BIOLOGY
(BIO-TECHNOLOGY)
NOVEMBER 2007
MAX MARKS: 80
TIME: 3 HOURS


Answer any FIVE Questions
All Questions carry equal marks

1. With a neat labelled diagram explain the structure of a typical eukaryotic cell. [16]

2. What property allows carbon compounds to exist in a number of forms and what
properties of a carbon atom are critical to life? [16]

3. What are the major functions of nucleus? How are nuclear pores important in
protein trafficking? [16]

4. Elaboraye on the role of symporters and Antiporters as transport proteins in co-
transport of substances across Plasma membrane. [16]

5. Describe the following - Cell cycle; cell plate; centrioles; centromere; sister chro-
matids; spindle fibers. [16]

6. Using Hematopoietic system explain stem cell differentiation. [16]

7. What do receptors accomplish for a cell? Explain. [16]

8. Using a suitable example discuss the role of secondary messengers in signal trans-
duction.

btechbiotechnology-cellbiology-jntu old questionpapers

CODE NO: R050212303 SET NO. 3
2007 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
II B.TECH I SEMESTER REGULAR EXAMINATIONS
CELL BIOLOGY
(BIO-TECHNOLOGY)
NOVEMBER 2007
MAX MARKS: 80
TIME: 3 HOURS


Answer any FIVE Questions
All Questions carry equal marks

1. Write short notes on [8 × 2 = 16]

(a) Cell theory

(b) Discovery of cells

2. Describe three functions of microtubules and microfilament. Compare and contrast microtubule
assembly and intermediate filament assembly. [16]

3. Discuss each of the following:

(a) the structure and role of the cell membrane

(b) the structure and role of mitochondria. [16]

4. How are substances moved across the plasma membrane against its concentration
gradient? [16]

5. Justify the statement ”There are variations observed in cell cycle patterns of some
cells”. [16]

6. Explain what is meant by cell differentiation? [16]

7. Citing a suitable example explain nuclear receptors. [16]

8. Explain the role of protein Tyrosine kinase in cell growth and differentiation.

jntu-cellbiology-btechbiotechnology-jntu old papers

CODE NO: R050212303 SET NO. 2
2007 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
II B.TECH I SEMESTER REGULAR EXAMINATIONS
CELL BIOLOGY
(BIO-TECHNOLOGY)
NOVEMBER 2007
TIME: 3 HOURS
MAX MARKS: 80

Answer any FIVE Questions
All Questions carry equal marks

1. Enumerate the characteristics of a living Cell.
[16]
2. Describe the properties of the three classes of membrane proteins and how they differ from one another
and how they vary among themselves.

3. Cite the one unique function of each of the following: plasma membrane, nucleus, nuclear envelope,
mitochondrion, chloroplast, RER, SER, Golgi complex, secretory vesicles, lysosome, peroxisomes,
ribosomes, cytoskeleton, microtubules, microfilaments, intermediate filaments, extracellular matrix, cell
wall.
[16]
4. Write a note on ATP powered pumps in detail.
[16]
5. Justify the statement ”There are variations observed in cell cycle patterns of some cells”.
[16]
6. What is meant by stem cell differentiation?
[16]
7. Briefly explain the different classes of cell surface receptors.
[16]
8. With respect to secondary messengers, write short notes on:
(a) cAMP
(b) cGMP