SPECIAL PROTEINS AND CROP IMPROVEMENT QUIZ

The hybrid embryo can be rescued from damage/collapse by growing it

in artificial medium

at low pH

at low water activity

at low temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

For increased level of mannitol in transgenic tobacco plants which of the following gene is transferred?

Mannitol dehydrogenase

Mannitol pyrophosphorylase

Both (a) and (b)

Mannitol synthease

TRUE ANSWER : ?
YOUR ANSWER : ?

Establishment of embryogenic cell suspensions with high regeneration potential is a pre-requisite for successful

restriction of fragment length polymorphisms

protoplast culture

detection of nucleic acid sequence

microinjection

TRUE ANSWER : ?
YOUR ANSWER : ?

Random amplified polymorphic DNA (RAPD) is a method that

reveals intra-specific variation and diversity between species

activate the expression of all genes in a biochemical pathway

stimulate production of sense RNA to compensate

eliminate the expression of all genes in a biochemical pathway

TRUE ANSWER : ?
YOUR ANSWER : ?

Meristem culture of banana enables

both (a) and (b)

slow growth

rapid multiplication

elimination of bunch top virus disease

TRUE ANSWER : ?
YOUR ANSWER : ?

cDNA clone prepared to stigma mRNA of Brassica oleracea can be used as a probe on DNA digests of segregating populations to recognize

Triticum

Aegilops

Both (a) and (b)

S alleles

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following govern sporophytic self-incompatibility in Brassica?

Both (a) and (b)

Aegilops

S alleles

Triticum

TRUE ANSWER : ?
YOUR ANSWER : ?

Avermectins (AVM) are macrocyclic lactones which have potent antihelminthic and insecticidal action. They are generally derived from the mycelia of

L. peruvianum

Streptomyces avermitilis

P. flourescens

B. thrunigiensis

TRUE ANSWER : ?
YOUR ANSWER : ?

α and β cyclo dextrins are produced by

transgenic potato

transgenic tomato

transgenic maize

transgenic wheat

TRUE ANSWER : ?
YOUR ANSWER : ?

The tumor phenotype, which can be maintained indefinitely in tissue culture, results from the expression of genes on the

m-RNA

T-DNA

r-DNA

c-DNA

TRUE ANSWER : ?
YOUR ANSWER : ?