In transgenics,the expression of a transgene in the target tissue is determined by:

Tobacco plants resistant to a nematode have been developed by the introduction of $DNA$ that produces (in the host cells)

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?

What is $GEAC$ and what are its objectives?

The transgenic variety of rice is known for:

Select the correct option for the following:
$I - CryIAc \quad II - CryIAb \quad III - CryIIAb$
Control of Cotton Bollworms $\quad$ Control of Corn Borer