CSIR-UGC-NET (June 2010) Life Science Previous Paper

Few Questions from the paper (Based on Memory)

1. Which among the following is not a polymer?
a) rubber
b) cellulose
c) vinyl alcohol

2. Sky appears blue because of
a) scattering of light
b) composition of sunlight
c) a and b

3. Four times the square of a number is one more than three times the number. Find the
number
a) 4       b) –4           c) 1            d) -1

4. Three balloons are of the same size,one was filled with hydrogen,another with helium
and one with carbon dioxide. let F1, F2, F3 be the buoyant forces acting on them, then
which of following is correct
a. F1>F2>F3           b. F3>F2>F1           c. F2=F1>F3               d. F3=F2>F1

5. Microorganism mostly used for controlling insect population include 
a. Bacillus thuriengenesis        b. Agrobacterium tumefaciens        

6.  Evolution of Dinosaurs time?
a. 6.5 millions years ago
b. 600 million yrs ago
c. 6 billion years ago
d. 60 million yrs ago.

7. Incorrect transfusion of blood results in death of the patient due to
a) precipitation
b) agglutination of blood cells
c) kidney failure

8. If the sample taken from HIV patient serum blood sample, will detect in Western
blotting
a) viral antigens
b) viral particles
c) viral proteins-specific antibodies

9. The antibiotic which causes pre-chain termination in protein synthesis in E.coli
a) puromycin
b) chloramphenicol
c) tetracyclin
d) Streptomycin

10. A myopic person have astigmatism is correcting by using
a) spherical convex lens only
b) cylinderical and convex lens
c) concave and cylinderical lens
d) spheriacal concave lens only


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