Match the plant diseases given in column I with the mode of transmission in column II.
Matrix:
Column I Column II
(a) Citrus canker (i) Insect
(b) Wheat rust (ii) Air
(c) Yellow vein mosaic of bhendi (iii) Air, seeds
(d) Leaf blight (iv) Seeds

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a-i; b-ii; c-iii; d-iv

a-ii; b-iii; c-i; d-iv

a-iv; b-ii; c-iii; d-i

a-iv; b-ii; c-i; d-iii

answer is B.

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Detailed Solution

Citrus canker is a bacterial disease affecting citrus species of plants that are transmitted through the air.

Wheat rust affects species of wheat, barley, and rice which are majorly airborne and seed-borne.

Yellow vein mosaic of bhindi is a viral infection leading to vein-clearing and vein-chlorosis of leaves. It is transmitted via an insect vector, a whitefly.

Leaf blight is observed in many ornamental plants and causes leaf yellowing, spotting, and withering affecting aerial parts of plants and transmitting through seeds.

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