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Q.

Consider the following morphological, biochemical or physiological characteristics of plants.

(i) Presence of hairy leaves.                                  (ii) Production of more nectar in flower. 

(iii) High sugar content in plant parts.                 (iv) Presence of higher aspartic acid concentration.

Choose the correct combination of statements which give natural resistance to plants against  insect pests.

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a

(iii) and (iv)

b

(i) and(ii)

c

(i) and (iv)

d

(ii) and (iii)

answer is B.

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Detailed Solution

Presence of hairy leaves and presence of higher aspartic acid concentration are the morphological and biochemical or physiological characteristics of plants respectively.

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