CBSE
The crops engineered for glyphosate are resistant/ tolerant to
fungi
bacteria
insects
insects
Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
Zinc finger analysis
Restriction enzymes
DNA-DNA hybridization
DNA-DNA hybridization
Which part of the tobacco plant is infected by Meloidogyne incognitia?
Leaf
Stem
Root
Root
A pleiotropic gene
is expressed only in primitive plants.
is a gene evolved during Pliocene
controls a trait only in combination with another gene
controls a trait only in combination with another gene
The first clinical gene therapy was given for treating
diabetes mellitus
chicken pox
rheumatoid arthritis
rheumatoid arthritis
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells).
Both sense and anti-sense RNA
A particular hormone
An antifeedant
An antifeedant
Green revolution in India occurred during
1960's
1970's
1980's
1980's
Read the following four statements (I - IV) about certain mistakes in two of them
I .The first transgenic buffalo, Rosie produced mile which was human alpha - lactal bumin enriched
II. Restriction enzymes are used in isolation of DNA from another macro -molecules.
III. downstream processing is one of the steps of R-DNA technology.
IV. Disarmed pathogen vectors are also used in the transfer of R - DNA into the host.
Which are the two statements having mistakes?
Statement (II) and (III)
Statements (III) and (IV)
Statements (I) and (III)
Statements (I) and (III)
Golden rice is a genetically modified crop plant where the incorporated gene i's meant for
Vitamin B
Vitamin C
Omega 3
Omega 3
In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to
alkaline pH of the insect gut
acidic pH of the insect gut
action of gut microorganisms
action of gut microorganisms