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Biotechnology And Its Applications

Question
CBSEENBI12046886
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The first bioherbicide developed in 1981 was based on

  • Phytophthora palmivora

  • Phytophthora infestans

  • Bacillus thuringiensis

  • Azadirachta indica

Solution

A.

Phytophthora palmivora

The first bioherbicide is devine, which is a mycoherbicide, based on fungus Phytophthora palmivora. It is being used since 1981 to control Morrenia odorata (milkweed vines) in Citrus orchards.

Some More Questions From Biotechnology and Its Applications Chapter

Name the toxin produced by Bacillus thuringiensis.

What is the utility of Bt-Toxin gene ?

Bt-toxin protein exist in which form ?

How is inactive Bt-toxin converted into active form ?

How Bt toxin causes death of insect ?

Name a few forms of cry gene.

List the specific insects killed by (i) cryIAc and (ii) cryIAb.

Name the insect killed by proteins coded by cryIIAb and cry IAc.

What is unique about transgenic animals ?

What is silencing of mRNA ?

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