Which of the following are relevant to successful beekeeping?

(i) Knowledge of the nature and habits of bees

(ii) Selection of suitable location for keeping the beehives

(iii) Management of beehives during different seasons

(iv) Catching and hiving swarms

All the following are important for successful beekeeping.

• Knowledge of the nature and habits of bees: It includes knowing how bees communicate, how they build and maintain their colonies, their life cycle, and how they interact with the environment and other organisms.
•  Selection of suitable location for keeping the beehives: Beehives should be placed in areas that provide adequate forage (flowers) for the bees, have proper sun exposure and shelter from harsh weather conditions, and are away from disturbances.
•  Management of beehives during different seasons: Different seasons bring various challenges and opportunities for beekeepers. Managing hive health, monitoring for diseases and pests, providing supplementary feeding when necessary, and ensuring the bees have enough resources during winter are vital aspects of successful beekeeping.
• Catching and hiving swarms: Swarming is a natural process in bee colonies where a new queen and a portion of the worker bees leave the original hive to establish a new colony. Beekeepers should know how to catch and hive swarms to prevent them from leaving and to expand their apiary.

Additionally, other relevant aspects for successful beekeeping may include proper hive maintenance, pest and disease management, harvesting honey and other bee products, and ensuring a sustainable and supportive environment for the bees.