The intervention in the communication system of nematodes offer several possibilities of bio control. Which of the following(s) play(s) a very important role in the host recognition?
A -
Protein
B -
Lipid
C -
Carbohydrate moiety
D -
Minerals
2-
The hybrid embryo can be rescued from damage/collapse by growing it
A -
at low temperature
B -
at low pH
C -
at low water activity
D -
in artificial medium
3-
For increased level of mannitol in transgenic tobacco plants which of the following gene is transferred?
A -
Mannitol dehydrogenase
B -
Mannitol synthease
C -
Both (a) and (b)
D -
Mannitol pyrophosphorylase
4-
Meristem culture of banana enables
A -
rapid multiplication
B -
elimination of bunch top virus disease
C -
Both (a) and (b)
D -
slow growth
5-
Wheat variety Rendezvous, with resistance to eye spot (Pseudo-cercosporella herpotrichoides) derived from Aegilops ventricosa, has a chloroplast genome derived from
A -
Aegilops
B -
Triticum
C -
Both (a) and (b)
D -
S alleles
6-
Human serum albumin in case of transgenic plant is secreted in
A -
transgenic leaf tissues
B -
transgenic root tissues
C -
is not secreted out of plant
D -
transgenic stem tissues
7-
Protoplast fusion technique generally involves
A -
isolation only
B -
isolation and fusion
C -
isolation, fusion and culturing
D -
hybridization between two species
8-
Cytoplast (somatic cell hybridization) is the process in which
A -
two protoplast along with their nuclei fuse
B -
a normal protoplast along with an enucleated protoplast fuse
C -
Both (a) and (b)
D -
two enucleated protoplasts fuse
9-
Somaclonal variation method refers to
A -
heritable changes
B -
genetic isolation
C -
small number of species having limited commercial potential
