Enzyme responsible for cytokinin degradation is:
Pick B: CK oxidase. Thinking through Cytokinin step by step rules out the lookalikes and leaves CK oxidase. Skip these: A) Peroxidase; C) IAA oxidase; D) Dehydrogenase. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
