Main objective of production/use of herbicide resistant $GM$ crops is to
$(A)$ -Reduce herbicide accumulation in food articles for health safety.
$(B)$ -Eliminate weeds in the field without the use of herbicides
$(C)$ -Eliminate weeds from the field without the use of manual labour.
$(D)$ -Soil pollution and biomagnification caused by herbicides.
Which of the following statements are correct?

Nobel prize was given to Andrew Fire and Craig Mello for their work on $RNAi$ on

In Ti-plasmid, which of the following is removed:

Even through the highest number of varieties of this rice are found in India. Which variety of rice was patented by $U.S.$ company?

Rennin used in cheese industry is