Plants are more easily manipulated by genetic engineering than are animals because:
1. Plant genes do not contain introns
2. More vectors are available to transfer rDNA into plant cells
3. Totipotency is a feature generally associated with plant cells and not with animal cells
4. Genes can be inserted into animal cells by microinjection.
A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of:
(1) Pseudomonas
(2) Trichoderma
(3) Xanthomonas
(4) Bacillus
A transgenic food crop, which may help in solving the problem of night blindness in developing countries is:
1. Flavr savr tomatoes
2. Starlink maize
3. Bt soybean
4. Golden rice
The foreign gene in a transgenic plant may be derived from
(1) an insect
(2) an animal
(3) a bacteria
(4) all of these.
Genetically modified (GM) crops can be produced by
(1) recombinant DNA technology
(2) somatic hybridization
(3) cross breeding
(4) micropropagation