SPECIAL PROTEINS AND CROP IMPROVEMENT QUIZ

Wheat variety Rendezvous, with resistance to eye spot (Pseudo-cercosporella herpotrichoides) derived from Aegilops ventricosa, has a chloroplast genome derived from

Aegilops

S alleles

Both (a) and (b)

Triticum

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following mutant/(s) has/have increased amount of lysine and/or methionine in corn seeds?

Opaque-2

Flory-2

All of these

Sugary-1

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following transfers a set of genes encoded in a region called T-DNA of the Ti-plasmid into cells at wound positions?

A. tumefaciens

L. birsutum

A. sterilis

L. peruvianum

TRUE ANSWER : ?
YOUR ANSWER : ?

Commercial sugarcane is heterozygons with germplasm from

5-7 Saccharum species

3-5 Saccharum species

1-3 Saccharum species

7-9 Saccharum species

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following technique can be used to develop nematode resistant plants?

All of these

Non-recombinant DNA

Embryo-rescue

Mutation

TRUE ANSWER : ?
YOUR ANSWER : ?

Involvement of sugarcane phytoalexins in red-hot resistance has been observed. The phytoalexin compound is reported to be

apigeninidin

3-deoxyanthocyanidin

5-0 apigeninidin

luteolinidin

TRUE ANSWER : ?
YOUR ANSWER : ?

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

c-DNA

m-RNA

T-DNA

r-DNA

TRUE ANSWER : ?
YOUR ANSWER : ?

Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to

Solarium melongena

both (a) and (b)

L. peruviaanum

Meloidogyne spp. nematodes

TRUE ANSWER : ?
YOUR ANSWER : ?

Somaclonal variation method refers to

heritable changes

small number of species having limited commercial potential

large number of plant cells

genetic isolation

TRUE ANSWER : ?
YOUR ANSWER : ?

α and β cyclo dextrins are produced by

transgenic maize

transgenic potato

transgenic tomato

transgenic wheat

TRUE ANSWER : ?
YOUR ANSWER : ?

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