Many secondary metabolites of plants have medicinal properties. It is their misuse that creates problem. Justify the statement with an example.

Name two secondary metabolites of plants.

Certain pathogens are tissue /organ specific. Justify the statement with suitable examples.

The term 'describle trait' can mean different things for different plants. Justify the statement with suitable exmples.

Many discoveries in science have been accidental. This is true for plant hormones also. Can you justify this statement by giving an example? Also what term is used for such accidental findings?

All the organisms have not been yet identified. Justify the statement.

Mutations are beneficial for plant breeding. Taking an example, justify the statement.

Trophical regions are likely to have more biological diversity than temperate ones. Give two reasons to justify the statement.

It is said that diseases are spreading faster due to globalisation and increased movement of people . Justify the statement taking the example of H_5 N_1 virus.

It is said that diseases are spreading faster due to globalisation and increase movement of people. Justify the statement taking the example of H_3N_2 virus.