A new herbicide-tolerant crop variety has been developed. Which evaluation is MOST crucial before its commercial release, considering potential environmental impact?

Product of biotechnology is

Some of the characteristics of Bt cotton are

Transgenic Brassica napus has been used for the synthesis for?

Crystals of $Bt$ toxin produced by some bacteria do not kill the bacteria themselves because?

An organisation aiming to regulate biotechnological activities was established by Indian Government named

A …….. infects the roots of tobacco plants which reduce the production of tobacco

Consider the following statements

I. $Flavr{\rm{ }}savr$ is a genetically modified tomato, which remains fresh and retains its flavour much longer than the normal tomato due to blocking of synthesis of fruit softening enzyme polygalacturonase

II. Recently, the US Government has patented the Indian ‘basmati’ rice as Rice-tec

III. Viruses, bacteria and some other harmful organisms can be used as bioweapons in biological warfare

Which of the statements given above are correct?

Consider the following statements about Bt I. The bacteria Bacillus thuringiensis (Bt) are used to control butterfly catterpillers II. Fresh spores of Bt are mixed with water and sprayed on seeds such as brassicas and fruit trees III. Insect larvae, after eating these are killed by the toxin released in their gut IV. Bt toxin genes have been introduced into plants to provide resistance to pests Which of the statements given above are correct?

Which of the following is crucial for the conversion of Bacillus thuringiensis protoxin to its active toxin form in the bollworm's digestive system?

Strains of $Bt$ are used in producing.