Molecular Biology Mock Test 9

10%

Question 1 of 10

1. Pick the odd one out.

β-endorphin

Somatotropin

Insulin

Somatostatin

Question 1 of 10

Question 2 of 10

2. What is the characteristic of the DNA that is used for the construction of library?

Plasmid

Plasmid is preferred over naked DNA

Naked DNA

Plasmid and naked DNA

Question 2 of 10

Question 3 of 10

3. What is transduction?

Uptake of naked DNA by hosts

Bacterial genes are transferred from recipient to donor cells

Bacterial genes are carried from a donor cell to a recipient cell via bacteriophage

Bacterial genes are transferred from donor to recipient cells

Question 3 of 10

Question 4 of 10

4. Disarming of Ti plasmid is ____________

Removal of the Virulence region

Removal of the T-DNA

Removal of the 25 base pair repeats

Removal of the Host specificity region

Question 4 of 10

Question 5 of 10

5. Transformation of E. coli does not occur.

True

False

Question 5 of 10

Question 6 of 10

6. In which of the plant is the crown gall disease caused?

Root

Leaf

Stem

Branches

Question 6 of 10

Question 7 of 10

7. How many kinds of mutation are found in DNA which includes mutation of only one base?

Question 7 of 10

Question 8 of 10

8. High frequency recombination cell contains an integrated F factor. What is the name of such a cell?

Hrf cell

Hfr cell

Har cell

Hra cell

Question 8 of 10

Question 9 of 10

9. What is conjugation?

Uptake of DNA from hosts

Transfer of DNA from recipient to donor

Interchanging of two types of DNA

Transformation of DNA from a donor to the recipient cell

Question 9 of 10

Question 10 of 10

10. Which base is generated due to the deamination of adenine?

Guanine

Hypoxanthine

Cytosine

Uracil

Question 10 of 10