High levels of aspartic acid, low nitrogen and sugar content in maize plants prevent the attack by

Aphids

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Jassids

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Boll worms

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Stem borers

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Solution

The correct option is D Stem borers
Maize plant exhibits an example of the development of pest resistance due to biochemical characters.
Low nitrogen, sugar and high aspartic acid impart the plants resistance to stem borers which is one of the most serious pests of these plants.
Cotton plants exhibit the resistant to jassids due to the presence of hairy leaves. Aphids affect plants of mustard family and beans.
So, the correct answer is option D.

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Similar questions

Identify the true statements from the following:

i. Parbhani kranti is a variety of Abelmoschus esculentus which is resistant to yellow mosaic virus.

ii. Smooth leaves and nectarless cotton varieties attract bollworms.

iii. Mung bean is made resistant to the yellow mosaic virus by mutation breeding.

iv. High aspartic acid, low nitrogen and sugar content resist maize bollworms.

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