A - A crop expressing a cry gene is usually r | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) is true: Crops genetically modified to express $cry$ genes (e.g.,$Bt$ cotton) produce insecticidal proteins that provide resistance against specif

Vedclass · Accepted Answer

Both $A$ and $R$ are true

Vedclass · Answer

(A) is true: Crops genetically modified to express $cry$ genes (e.g.,$Bt$ cotton) produce insecticidal proteins that provide resistance against specific groups of insects,such as lepidopterans,coleopterans,and dipterans.$R$ is true: The bacterium $Bacillus$ $thuringiensis$ $(Bt)$ produces crystal $(Cry)$ proteins during its growth phase. These proteins exist as inactive protoxins in the bacteria but are converted into active toxins in the alkaline gut environment of susceptible insect larvae,leading to their death.

$A$ - $A$ crop expressing a $cry$ gene is usually resistant to a group of insects.
$R$ - $Cry$ proteins produced from $Bacillus$ $thuringiensis$ are toxic to the larvae of certain insects.

Similar Questions

In which part of the insect's body is the $pH$ alkaline?

Identify the false statement from the following.

Which of the following $Bt$ crops is cultivated by farmers in India?

In India,the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is

$Bacillus \text{ } thuringiensis$ produces ......... that kill certain insects such as .........

Vedclass Test Series

Exam Paper Generator

Online Exam Module

$A$ - $A$ crop expressing a $cry$ gene is usually resistant to a group of insects.$R$ - $Cry$ proteins produced from $Bacillus$ $thuringiensis$ are toxic to the larvae of certain insects.