In cross pollination, pollen grains from the anther of a flower are transferred to the stigma of

1. the same flower
2. another flower on the same plant
3. flower of another plant of different species
4. flower of another plant of same species

A pollen tube grows through the

1. filament
2. style
3. anther
4. ovary

Fertilization takes place inside the

1. ovary
2. ovule
3. ovum
4. gynoecium

A plant embryo consists of

1. cotyledons and embryonal axis
2. plumule and radicle
3. plumule and cotyledons
4. cotyledons, embryonal axis and radicle