Explanation

(i) Fruit softening is promoted by an enzyme polygalacturonase, which degrades pectin. In the transgenic tomato variety Flavr savr, production of polygalacturonase was blocked hence fruit of this tomato variety remains fresh and retains their flavour much longer then do the fruit of normal tomato varieties (i) Recently the US government has patented the India Basmati rice as ‘Rice tec’. The Government of India challenged on April 28.2001. Consequently, USPTO served a notice to M/s Rice Tec., Inc., for the amendments in claims restricting to only three strains developed by it (ii) The war, which is fought by bioweapons (biological weapons) against humans or their crops and animals is called as biowar. Viruses, bacteria and some other harmful organisms can be used as bioweapons in biological warfare