Question

How is Bacillus thuringiensis available to be sprayed on plants?

(a) In the form powder

(b) In the form of log

(c) In the form of dried spores

(d) In the form of wet spores

I have been asked this question by my school teacher while I was bunking the class.

Question is from Microbes as Biocontrol Agents topic in portion Microbes in Human Welfare of Biology – Class 12

Answer 1

The correct answer is (c) In the form of dried spores

Explanation: Bacillus thuringiensis is often available in sachets as dried spores which are mixed with water and sprayed onto vulnerable plants such as brassicas and fruit trees, where they are eaten by the insect larvae.