Molybdenum deficiency in Broccoli leads to:

Correct option is A

The correct option is (a) Whiptail.
Examine each option:
(a) Whiptail: Caused by molybdenum deficiency, characterized by twisted and frayed leaf margins, especially in Brassica crops like broccoli.
(b) White Bud: A condition in cauliflower and other Brassicas usually caused by a deficiency in calcium or boron, not molybdenum.
(c) Tip Burning: Typically related to calcium deficiency, causing the tips of leaves to turn brown and dry.
(d) Khaira: A disorder in rice caused by zinc deficiency, not related to molybdenum.
(e) Black Tip: A condition affecting certain crops, often related to potassium or other deficiencies, but not specifically molybdenum.