Match List-I with List-II and choose the correct answer from the options given below:

List-I (Disease/Symptom)	List-II (Caused by deficiency of)
(A) Black heart of Potato	(I) Calcium
(B) Interveinal chlorosis of younger leaves	(II) Boron
(C) Whip-tail in Cauliflower	(III) Iron
(D) Die-back of terminal buds	(IV) Molybdenum

Correct option is B

· Black heart of Potato is caused due to boron deficiency, leading to internal necrosis and hollow centers in tubers.
· Interveinal chlorosis of younger leaves occurs due to iron deficiency, which affects chlorophyll production and results in yellowing between veins.
· Whip-tail in Cauliflower is caused by molybdenum deficiency, leading to distorted and underdeveloped leaves.
· Die-back of terminal buds occurs due to calcium deficiency, affecting new growth and leading to tip necrosis.