(a) Draw a labelled diagram of L.S. of ...

(a) Draw a labelled diagram of L.S. of an embryo of grass ( any six labels. ).
(b) Give reason for each of the following : (i) anthers of angiosperm flowers are described as dithecous . (ii) hybrid seeds have to be produced year after year.

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(a) Draw a labelled diagram of L.S. of an embryo of grass ( any six labels. ).
(b) Give reason for each of the following : (i) anthers of angiosperm flowers are described as dithecous . (ii) hybrid seeds have to be produced year after year.