With the help of labelled diagram, explain the following :
(b) Anaphase of mitosis

With the help of labelled diagram, explain the following : (a) Diplotene

With the help of a labelled diagram, explain the working of hydraulic brakes.

With the help of a labelled diagram explain the working of a transformer . Write any three source of energy loss in a transformer .

With the help of labelled diagram explain the structure of human respiratory system.

With the help of a labelled diagram, explain why the sun appears reddish at the sunrise and the sunset.

With the help of a neat-labelled diagram, explain the construction and working of an electric bell.

With the help of labelled diagram explain the exchange of gases between alveolus and capillary.