Give reasons for the following observations. We can get the smell of perfume sitting several matres away.

Give reason for the following observations : We can get the smell of perfume sitting several metres away.

Give reason for the following observation: The small of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

Give reasons for the following: Birds can fly but the mammls cannot.

Give reason for the following Chlamydomonas is motile.

Give reasons for the following statements: Grain is a fruit not seed.

Give reason for the following Double fertilization is present is angiosperms.

Give reason for the following question- Gun metal is an alloy.