GMO technology is useful for

Biotechnology and its applications includes.

$1.$ Therapeutics

$2.$ Agriculture

$3.$ Diagnosis

$4.$ Bioremediation

Given below are two statements:

Statement $I$ : Bt toxins are insect group specific and coded by a gene cry $IAc$.

Statement $II$ : Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect the inactive protoxin gets converted into active form due to acidic $\mathrm{pH}$ of the insect gut.

In the light of the above statements, choose the correct answer from the options given below:

Identify the incorrect statement.

$(i)$ Bacillus thuringiensis are available in sachets as dried spores which are mixed with kerosine and sprayed on to vulnerable plants

$(ii)$ B. thuringiensis are used to control butterfly caterpillars, but leave other insects unharmed

$(iii) $ The toxin of B. thuringiensis is released in the blood of larvae and the larvae get killed

$(iv)$ By the development of methods of genetic engineering B. thuringiensis toxin genes have been introduced

Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin$-A$ deficiency?

Which of the following ways are suitable for increasing food production?

$I$. Agrochemical based agriculture

$II$. Organic agriculture

$III$. Genetically engineered crop-based agriculture

Choose the correct option