27 OCTOBER 2021 CURRENT AFFAIRS QUIZ

Which of the following dies from Ti plasmid infection?

Rice

All of these

Sorghum

Corn

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitrilase is encoded by

bar gene in Streptomyces spp

gene bxn in Klebsiella pneumoniae

none of these

both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Sucrose

Mannitol

Octopine

Nicotine

TRUE ANSWER : ?
YOUR ANSWER : ?

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

gene for GS (glutamine synthase)

any of the above

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

gene for ALS (acetolactate synthase)

TRUE ANSWER : ?
YOUR ANSWER : ?

If the goal were to create a plant resistant to an insecticide, which cell-based plant technology would be most effective?

Protoplast fusion

Mutant selection

Clonal propagation

Cybridization

TRUE ANSWER : ?
YOUR ANSWER : ?

For developing herbicide resistance in transgenic plants which of the following approach/(es) is/are used?

Target molecule is made insensitive to herbicide

A pathway should be introduced that detoxify the herbicide

All of these

Target protein is overproduced

TRUE ANSWER : ?
YOUR ANSWER : ?

Antisense transgenic plants produced fruit that softened

none of these

more rapidly than the normal fruit

more slowly than the normal fruit

as the normal fruits

TRUE ANSWER : ?
YOUR ANSWER : ?

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

sucrose phosphate synthase gene

polygalactouranase gene

None of these

ADP glucose pyrophosphorylase gene

TRUE ANSWER : ?
YOUR ANSWER : ?

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

plants cannot be derived from somatic tissue

identical, different

different, also different

different, identical

TRUE ANSWER : ?
YOUR ANSWER : ?

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

All of these

Phosphinothrium acetyl transferase

Nitrilase

Glutathione S-transferase (GST)

TRUE ANSWER : ?
YOUR ANSWER : ?

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