1. The
cell Junctions allowing exchange of cytoplasmic molecules between two cells are
called:
A. Gap
Junctions B.Tight
Janctions
C.
Anchoring Junctions D.
Focal Junctions
2. The
cells belonging to the following type of Epithelium are provided with extra
reserve of cell membrane:
A.
Transitional
B. Stratified Squamous
C.
Stratified Cuboidal D.
Stratified Columnar
3. All
the following muscles are grouped together as muscle of mastication except:
A.
Buccinator B. Masseter C. Temporalis D. Pterygoids
4. The
development of first connection tissue which forms “non synovial joint” is
called as:
A.
Syndesmosis
B. Synchondrosis
C.
Symphysis D. Suture
5. The
Buffering capacity of a buffer is maximum at pH equal to
A.
0.5pKa B. pKa C. pKa+1 D. 2pKa
6. Which
of the following is not a post-transcriptional modification of RNA?
A.
Splicing
B. 5'- capping
C.
3'-poly adenylation
D. Glycosylation
7. The
following separation techniques depend on molecular size of proteins?
A. Chromatography
on a carboxymethyl cellulose column.
B. Iso-electric
focusing
C. Gel
Filtration chromatography.
D. Chromatography
on a diethylaminoethyl (DAAE) cellulose column.
8. Oxidation
of odd- chain fatty acids produces:
A.
Succinyl CoA
B. Propionyl CoA
C.
Acetyl CoA D. Malonyl CoA
9. The
protein rich in basic amino acids which functions in the packaging of DNA in
chro mosomes is:
A.
Histone
B. Collagen
C.
Hyaluronic acid binding protein
D. Fibrinogen
10. The
primary role of chaperones is to help in:
A.
Protein synthesis
B. Protein degradation
C.
Protein denaturation D.
Protein folding
11. The
force applied during condensation of amalgam having a condenser measuring 2 mm
in diameter:
A.
3-4 lb
B. 8-17 lb
C.
10-15 lb D.
7-121b
12. The
angles between adhesive and adherent are zero degree. It indicates:
A. Complete
wetting of surfaces
B. Rough
surfaces between adhesive and adherent
C. Irregularities
present between the adherent surfaces.
D. The
adherent and adhesive molecule are tangent to each other.
13. Which
of the following is not a true wax?
A.
Paraffin B. Ozokerite
C.
Cocoa butter
D. Candelilla
14. The
half line of mercury in human body is:
A. 55
days B. 55 hours C. 55 week D. 55 months
15. The
diameter of sprue and sub-surface porosity will have:
A.
Direct relationship
B. Inverse relationship
C.
Inverse square relationship
D. No relationship
16. The
length of sprue and subsurface porosity will have:
A.
Direct relationship
B. Inverse Relationship
C.
Inverse square relationship D.
No relationship at all.
17. Which
of the following is not true about casting gypsum bonded investment material:
A. It
is used for cast metal alloys
B. 50
- 65% of gypsum changes to form α-hemihydrate
C. The
investment material is not heated above 700° temperature
D. Heating
above 700° of investment causes formation of sulphur dioxide from copper
sulphate.
18. Which
of the following is not correct about dental stone?
A. High
strength low expansion dental stone contains some additive to reduce expansion.
B. Dental
stone is manufactured by heating at temperature 110°- 120° C in an open auto
clave.
C. Dental
stone is much harder and stronger than B-hemihydrate.
D. Microscopically
it is seen as cleavage fragments and crystals in the form of rods and prisms.
19. Like
the eutectic transformation, the peritectic reaction is an invariant reaction
(i.e. it occurs at a particular composition and temperature). The reaction can
be written as:
A. Liquid
+ β → α
B. Liquid
+ β →Liquid + α
C. Liquid
→ α -
solid solution β -solid solution
D. α + β →Liquid
20. Which
of the following procedures is routine technique for karyotyping using light
microscopy?
A.
C-banding B. G - banding
Click this Link to Download this File
Password to open is: punjab2009
