Explain experimentally that stem helps in conducting water upwards.

What is meant by conduction of water?

Keep some freshly cut flowers in a solution of food colour. Wait for sometime for the dye to rise in the flower, when the stem of the flower is held up in light, coloured strands can be seen inside. Can this experiment demonstrate which tissue is conducting water up the stem?

Do plants help in loss of water ?

Explain magnetic separation with the help of diagram.

Explain meiosis I with the help of diagram only.