(C) The confusion technique involves using small paper strips coated with synthetic female pheromones. These are scattered over an area to create a hi

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Confuse males so that they are unable to locate females

(C) The confusion technique involves using small paper strips coated with synthetic female pheromones. These are scattered over an area to create a high concentration of pheromones in the environment. This masks the natural pheromone trails released by females,making it impossible for males to locate and mate with them,thereby disrupting the reproductive cycle.

Class 12 Biology Microbes in Human Welfare Microbes as Biocontrol Agents

Medium

In the confusion technique,pheromone-coated paper strips are thrown over an area in order to:

A
Attract insects and kill them
B
Repel insects from an area
C
Confuse males so that they are unable to locate females
D
Confuse females so that they are unable to locate males

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Class 12

Biology Questions

Chapter

Microbes in Human Welfare

Subtopic

Microbes as Biocontrol Agents

Which of the following insects is controlled by the sterile insect technique?

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Match the column $I$ with column $II$ and select the correct option.
Column $I$ (Pathogen) Column $II$ (Host)
$a$. $Bacillus$ $papillae$ $i$. $Gypsy$ $moths$
$b$. $Beauveria$ $bassiana$ $ii$. $Cabbage$ $worms$
$c$. $Nosema$ $locustae$ $iii$. $Aphids$
$d$. $Nucleopolyhedroviral$ $virus$ $iv$. $Grasshoppers$

Column $I$ (Pathogen)	Column $II$ (Host)
$a$. $Bacillus$ $papillae$	$i$. $Gypsy$ $moths$
$b$. $Beauveria$ $bassiana$	$ii$. $Cabbage$ $worms$
$c$. $Nosema$ $locustae$	$iii$. $Aphids$
$d$. $Nucleopolyhedroviral$ $virus$	$iv$. $Grasshoppers$

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