NUCLEIC ACID STRUCTURE QUIZ

In a __________ protocol, bacteria with engineered abilities to detoxify pollutants are intentionally released in an area.

mibridization

microcosm establishment

rhizosecretion

bioremediation

TRUE ANSWER : ?
YOUR ANSWER : ?

Two genes from a bacterium (Alcaligenes eutrophus) and a cotton gene produce

a vaccine against the bacterium

herbicide resistance

a pharmaceutical product

a plastic

TRUE ANSWER : ?
YOUR ANSWER : ?

A __________ is a small laboratory set up to simulate conditions of a particular environment.

rhizosecretion

bioremediation

microcosm

mibridization

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following gene is transferred to plants that detoxify the herbicide atrazine?

Glutathione S-transferase (GST)

All of these

Nitrilase

Phosphinothrium acetyl transferase

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following compounds has been produced in transgenic plants to improve tolerance to salt stress and water deficit?

Nicotine

Octopine

Sucrose

Mannitol

TRUE ANSWER : ?
YOUR ANSWER : ?

ACC demainase gene is responsible for

synthesis for ethylene

both (a) and (b)

degradation of ACC an immediate precursor to ethylene

synthesis of polygalactouranase

TRUE ANSWER : ?
YOUR ANSWER : ?

Resistance to L-phosphinothrium in tobacco plants is developed by the transfer of

gene for ALS (acetolactate synthase)

gene for EPSPS (5-enol-pyruvyl shikimat 3 phosphate synthase)

any of the above

gene for GS (glutamine synthase)

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphinothricin acetyl transferase is encoded by

bar gene in Streptomyces spp

gene bxn in Klebsiella pneumoniae

both (a) and (b)

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Starch content of potatoes can be increased by using a bacterial gene, known as

sucrose phosphate synthase gene

None of these

ADP glucose pyrophosphorylase gene

polygalactouranase gene

TRUE ANSWER : ?
YOUR ANSWER : ?

The controversy regarding the use of Bt corn is that it

is potentially harmful to monarch butterflies

can contaminate groundwater

both (a) and (b)

is a potential allergen to humans

TRUE ANSWER : ?
YOUR ANSWER : ?

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