Biology, asked by saheenparvin104, 8 months ago

3.
Transformation was performed on which bacteria
a) E.coli
Diplococcus pneumonia
c) Salmonella
d) Agrobacterium,
4. The process in which DNA of bacterial cell is transferred into another bacter
cell through a virus is called as
a) Transduction
b) transformation
c) conjugation
d) reproduction
5. Diameter of DNA helix is
a) 20A
b) 10 A
c) 30A
d) 40 A
6. Chromatin consist of
a) RNA
b) DNA
c) DNA+RNA
d) DNA + histone
7. DNA is associated with basic proteins called as
a) Histones
b) non-histones
c) albumines
d) all of these
8. The nucleosome is made up of
a) DNA
b) histone
c) DNA+Histone
d) DNA + non-histone
9. Solenoid is a structure of
a) Nucleosomal organization with 10nm diameter
b) Condensed chromatin fiber with 30nm diameter
c) Condensed form with 300 nm diameter
d) None of theses
10. Certain genetic elements transfer from one location to other in the
chromosome are called
a) Jumping chromosome
b) Jumping Genes
c) Jumping DNA
d) Jumping fragments.
11. The Ac/Ds system in maize is discovered by
a) Barbara McClintok b) Watson and Crick
c) Hargovind Khorana d) Rober
12. Ac/Ds system was discovered by Barbara McClintok in the plant
a)Ficus
b) Pea
c) Maiz
d) soybean
13. DNA replication occur in-
a) G1 Phase
b) G2 phase
C) S phase
d) interphase​

Answers

Answered by rahul423a
0

Answer:

3=a

4=b

5=2nm

6=b

7=a

8=a

9=a

10=c

11=a

12=c

13=b

Answered by kukunuriramakrishna0
0

Explanation:

3. a

5. c

6.b

9.b

10.b

11.a

12.c

13.c

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