Thursday, May 24, 2007

4. A collection of cleaved fragnebts that represent the entire genome

a. Sines

b.consins

c. Library

d.cDNA

Ans. d.cDNA

5. Amethod for transferring RNA from an agarose gel to a nitrocellulose paper on which RNA can be detected by a suitable probe.

a. Southern Blot

b.Northern blot

c.Eastern blot

d.Western blot


Ans : b.Northern blot


6. DNA is single stranded in

a. Prokaryotes

b. Eukaryotes

c. *x 174

Ans. c.*x174

7. Frame shift mutations include which of the following

1. Deletion

2.Transversion

3.Transition

4. Insertion

a. 1 only

b.1&2

c. 2&4

d.1 &4

Ans. d. 1&4

Tuesday, May 15, 2007

Questions from life sciences-Part 1

1.Cell Organelle having electron transport system is:
a.Nucleus
b.Centriole
c.ER
d.Mitochindria

2.An average eukaryotic cell is larger to prokaryotic cell

a. 100 times
b.50 times
c.10 times
d.5 times

3.The E.R occurs in the form of

a.Vesicles
b.Cisternae
c.Tubules
d.All of the above