Write differences between queen bee and drone bee.

what is swarming?

what is nuptial flight?

What is royal jelly?

Study the diagram and answer the following questions 1. Which stage of life cycle of silkmoth is shown? 2. Label all the parts 3. Write its two characteristics

The eggs of silkworm are kept in cold store, during winter why?

Name two types of silkworm reared in Nepal.