How has the bacterium Bacillus thuringiensis helped us in controlling caterpillars of insect pests

An endospore is a dormant, tough, and non-reproductive structure produced by certain bacteria from the Firmicute phylum. Endospore formation is usually triggered by lack of nutrients, and usually occurs in...

Correct answer is option (A) i.e Trichoderma sp. against certain plants pathogens Explanation: A biological control being developed for use in the treatment of plant disease is the fungus Trichoderma. Trichoderma species are free...

(i) Helicobactor pylori  (ii) Marshall and Warren

Various advancements that have occurred in the field of biology have helped us gain a better understanding to fight against various infectious diseases. Biology has helped us study the life...

Bt cotton is made resistant to only certain specific taxa of pests. It is quite likely that in future, some other pests may infest this Bt cotton plants. It is...

Biological control means life against life. It’s a natural and ecofriendly concept. It employs the natural organisms to control the population of pathogens and pests in an ecosystem. Classical examples...

Pests have (built in) variations in terms of their ability to survive in a given environment, a change in the environment, in the form of an antibiotic would bring out...

Excessive use of pesticides has resulted in selection of resistant varieties in a much lesser time scale, as evolution is a stochastic process based on chance events in nature and...

A wild variety of a plant may show different variations. Humans have selected some such variants and grown them for generations and during the course of time, they have become...

c. Alkaline pH of gut