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Assertion:Bacillus thuringenesis is toxi...

Assertion:Bacillus thuringenesis is toxic to many insects.
Reason:It inhibits ion transport in the midgut.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
A
Bacillus thuringiensis is a naturally occurring soil borne bacteria that produce thrurioside a toxin. It controls caterpillars, gypsy moth, mosquitoes and beetles. When the bacteria is consumed by certain insects the toxic crystal is released in the insects highly alkaline gut blocking the system which protect the pests stomach from its own digestive juices
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