The host crop plants may be resistant to inse | vedclass

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Question

(D) Host crop plants can exhibit resistance to insect pests through various mechanisms,including morphological,biochemical,and physiological character

Vedclass · Accepted Answer

$I$,$II$ and $III$

Vedclass · Answer

(D) Host crop plants can exhibit resistance to insect pests through various mechanisms,including morphological,biochemical,and physiological characteristics.$(i)$ Morphological characteristics: For example,hairy leaves in cotton provide resistance to jassids,and in wheat,they provide resistance to cereal leaf beetles.$(ii)$ Biochemical characteristics: For example,in maize,high aspartic acid content,low nitrogen,and low sugar content provide resistance against stem borers.$(iii)$ Physiological characteristics: Certain physiological traits can also influence the preference or survival of pests on the host plant.Therefore,all three factors ($I$,$II$,and $III$) contribute to the resistance of crop plants against insect pests.

The host crop plants may be resistant to insect pests due to the
$I$. Morphological characteristics
$II$. Biochemical characteristics
$III$. Physiological characteristics
Choose the correct option.

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The host crop plants may be resistant to insect pests due to the$I$. Morphological characteristics$II$. Biochemical characteristics$III$. Physiological characteristicsChoose the correct option.