Question

The abbreviation ‘Bt’ in ‘Bt’ toxin stands for
(a) biotechnology
(b) biotoxin
(c) toxin released by Bacillus thuringiensis
(d) toxins released by bacteria

Answer 1

Answer:

Bacillus thuringiensis

Explanation:

option C

Answer 2

Bt  stands for Bacillus Thuringiensis.

Explanation:

• Bt is a toxin released by Bacillus thuringiensis.

• Bt is fatal to certain herbivorous insects, which is a soil dwelling bacteria and produces a toxin.
• Bacillus Thuringiensis is present in the gut of caterpillars, in aquatic environments, on leaf surfaces, animal faeces etc.
• Bt toxin is used as an insecticidal spray.
• In organic farming, Bacillus thuringiensis is commonly is used.