What is nuptical flight?

Differentiate nuptical flight from swarming.

What is time of flight?

Assertion : : Nuptial flight is a unique flight taken the queen bee followed by several drones. Reasons : The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.

Assertion: Nuptial flight is a unique flight taken by the queen bee followed by several drones. Reason: The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.

Monica was watching the night sky. She saw a star , moving towards her, with increase in brightness. After some few minutes when she watched closely, she found it was the light from a flight in the sky. Whe was surprised, but initially the flight looked stationary, after soem time it was glowing brightly miving towards her. So she went and asked her father. Why this effect occured?

What is vitiligo? What are its symptoms?