What is responsible for the resistance of ins | vedclass

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(D) Insects develop resistance to insecticides through various physiological and biochemical mechanisms. $1$. $A$ less permeable cuticle reduces the r

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All of the above

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(D) Insects develop resistance to insecticides through various physiological and biochemical mechanisms. $1$. $A$ less permeable cuticle reduces the rate of absorption of the insecticide into the insect's body. $2$. Some insects possess the ability to sequester or store toxins in their fat bodies,preventing them from reaching vital organs. $3$. Insects often evolve or upregulate specific enzymes (such as cytochrome $P450$ monooxygenases) that metabolize and detoxify the insecticide before it can cause harm. Since all these mechanisms contribute to resistance,the correct answer is $D$.

Column $I$	Column $II$
$1.$ Pneumococci	$a.$ Attack lymphatic vessels and lymph nodes
$2.$ Plasmodium	$b.$ Attack alveoli
$3.$ Filarial worm	$c.$ Attack macrophages and helper $T$ cells
$4.$ Retrovirus	$d.$ Attack liver cells and red blood cells

What is responsible for the resistance of insects to insecticides?

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Match the following columns:
Column $I$ Column $II$
$1.$ Pneumococci $a.$ Attack lymphatic vessels and lymph nodes
$2.$ Plasmodium $b.$ Attack alveoli
$3.$ Filarial worm $c.$ Attack macrophages and helper $T$ cells
$4.$ Retrovirus $d.$ Attack liver cells and red blood cells

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