Answers

2015-08-07T22:12:34+05:30
1. first whorls -green sepals (collectively called calyx)
2. second whorls - large brightly coloured petals ( collectively called corolla)
3. third whorls - long thread-like processes somewhat projecting out and each usually ending bilobed tip these are stamens (collectively named androecium) . each stamen consists of thread -like filament and bilobed anther
4. fourth whorls - centrally located pistil.
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2015-08-07T22:20:29+05:30
Four Whorls of a flower are - - - - - - - -

1.Calyx ⇒ Function is to inner whorls.

2. Corolla ⇒ Function is to attract insect for pollination.

3.Androecium ⇒  production of pollen grains 

4. Gynoecium ⇒It holds the ovary which in future turned into fruit after fertilizarion.
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