Solapur University Question Paper,CELL BIOLOGY AND BIOSTATISTICS Paper – I : Cell Biology,2014 Question Paper, B.Sc. – I (Semester – I) Biotechnology (New)

Solapur University Question Paper
B.Sc. – I (Semester – I) Biotechnology (New) Examination, 2014
 CELL BIOLOGY AND BIOSTATISTICS
Paper – I : Cell Biology
Day and Date : Wednesday, 11-6-2014 Total Marks : 50
Time : 3.00 p.m. to 5.00 p.m.
N.B. : 1) All questions are compulsory.
2) Figures to the right indicate full marks.
3) Draw neat labelled diagram wherever necessary.
1. Rewrite the sentences by using correct alternative. 10
1) Bacteria carry extrachromosomal elements in the form of small, circular and
closed DNA molecules called
a) Bacterial Chromosome b) Plasmid DNA
c) Bacterial DNA d) Phagmid
2) is known as powerhouse of cell.
a) Golgi complex b) Mitochondria
c) Ribosomes d) Nucleus
3) The plasma membrane of plant cell is surrounded by a rigid cell wall made
by
a) Cellulose b) Nucleoplasm
c) Plasmid d) Cosmid
4) Na K / ATPase + + − pump is an example of
a) Passive transport b) Active transport
c) Simple diffusion d) Facilitated diffusion
P.T.O.
Seat
No.
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5) The process in which water molecules enter into the cell is known
 as
a) Endosmosis b) Exosmosis
c) Plasmolysis d) Water transport
6) are the proteins, which are embedded within lipid layer of membrane
acts as a carrier or transporter.
a) Amylase b) Lipases
c) Permeases d) Pectin
7) In most organisms is the start or initiation codon.
a) UUG b) ACA
c) GGA d) AUG
8) The longest phase of meiotic division is
a) Prophase – I b) Metaphase – I
c) Anaphase – I d) Telophase – I
9) is the cell organelle containing hydrolytic enzymes.
a) Mitochondria b) Lysosomes
c) ER d) Golgi complex
10) A defect in protein transport into peroxisome leads to syndrome.
a) Down’s b) Klinefelter’s
c) Zellweger d) Turner’s
-3- SLR-DN – 48
2. Answer any five of the following : 10
1) Define cell growth.
2) What are Microvilli ?
3) Write the characteristics of PPLO’s.
4) Sketch and label the diagram of Nucleus.
5) Enlist 4 differences between prokaryotes and eukaryotes.
6) Write the functions of centriole.
3. A) Answer any two of the following : 6
1) Describe Anaphase of mitosis.
2) Write a note on intracellular compartment.
3) Describe bulk transport.
B) Describe the ultrastructure of plasma membrane. 4
4. Answer any two of the following : 10
1) Define giant chromosome. Describe in detail polytene chromosome.
2) Give generalised structure of animal cell.
3) Describe the stages of prophase – I of meiosis – I.
5. Answer any two of the following : 10
1) What is protein trafficking ? Explain protein transport occurs in Mitochondria.
2) Describe an account of passive diffusion.
3) Describe in brief types of cell signalling.
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SLR-

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