TRANSGENIC PLANT QUIZ

Low temperatures induce the expression of many cold-induced genes. Transgenic plants with improved cold tolerance have been produced by

expressing a gene for production of antifreeze (ethylene glycol) in plants

cooling plants using the Peltier effect

expressing the protein that activates expression of these genes all the time in plants

increasing evaporative cooling from leaf surfaces

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the agricultural challenges below cannot be solved with transgenic techniques?

Crops are damaged by frost

Public concern about safety of synthetic pesticides

Public preference for organic vegetables

Crops are killed by a virus

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following gene detoxifies herbicide phosphinothricin?

Glutathione S-transferase (GST)

Phosphinothricin acetyl transferase

Nitrilase

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Glutathione S-transferase (GST)

Phosphinothrium acetyl transferase

All of these

Nitrilase

TRUE ANSWER : ?
YOUR ANSWER : ?

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

bioremediation

rhizosecretion

microcosm

mibridization

TRUE ANSWER : ?
YOUR ANSWER : ?

Plants containing genes encoding cytokines and blood clotting factors are used in

pharmaceutical production

textile production

vaccine production

nutrition improvement

TRUE ANSWER : ?
YOUR ANSWER : ?

Antisense transgenic plants produced fruit that softened

as the normal fruits

none of these

more slowly than the normal fruit

more rapidly than the normal fruit

TRUE ANSWER : ?
YOUR ANSWER : ?

Resistance to glyphosphate in transgenic petunia plants has been developed by the transfer of

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

gene for GS (glutamine synthase)

gene for ALS (acetolactate synthase)

any of the above

TRUE ANSWER : ?
YOUR ANSWER : ?

A naturally occurring variant, possessing characteristics of interest, is identified. This plant is selectively bred. This is an example of

none of these

traditional plant breeding

mutant selection

transgenic technology

TRUE ANSWER : ?
YOUR ANSWER : ?

Plants derived sexually from the same plant are while those derived from somatic tissue from the same plant are.

different, identical

identical, different

different, also different

plants cannot be derived from somatic tissue

TRUE ANSWER : ?
YOUR ANSWER : ?

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