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Practice each question, then open the answer or worked solution.
Golden rice is:
a. A variety of rice grown along the yellow river in China
b. Long stored rice having yellow colour tint
c. Transgenic rice having the gene for β – carotene
d. The wild variety of rice with yellow-coloured grains
Option (c) is the answer.
In RNAi, genes are silenced using:
a. ss DNA
b. ds DNA
c. ds RNA
d. ss RNA
Option (c) is the answer.
The first clinical gene therapy was done for the treatment of:
a. AIDS
b. Cancer
c. Cystic fibrosis
d. SCID (Severe Combined Immuno Deficiency resulting from
deficiency of ADA)
Option (d) is the answer.
ADA is an enzyme which is deficient in a genetic disorder SCID. What is
the full form of ADA?
a. Adenosine deoxyaminase
b. Adenosine deaminase
c. Aspartate deaminase
d. Arginine deaminase
Option (b) is the answer.
Silencing of a gene could be achieved through the use of:
a. RNAi only
b. antisense RNA only
c. both RNAi and antisense RNA
d. none of the above
Option (c) is the answer.