AIIMS Zoology Biotechnology Applications Class 12 Questions

Virus free plants can be generated through-

What are the requirements in tissue culture

RNA interference is essential for the

First clinical gene therapy was given in 1992 to a 4 years old girl for

Assertion : A gene from Bacillus thuringiensis is incorporated in plant genome to increase their yield. Reason : Bacillus thuringiensis has Bt toxin producing gene, which kills the larva of insects.

Hirudin is

Assertion : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse crops. Reason : A gene incorporated in the bacterial chromosomal genome gets automatically transferred to the crop with which the bacterium is associated.

Cultivation of Bt cotton has been much in the news. The prefix BT means

An example of gene therapy is

Assertion : Clones are a group of organism of identical genotype, produced by same kind of sexual reproduction and same sexual processes. Reason : These are prepared by a group of cells descended from many cells or by inbreeding of a completely heterozygous line.