In some halophytes, seeds germinate within fruits while attached to parent plant. The phenomenon is
A. Vivipary :In plants, vivipary (precocious or premature germination) involves the germination of seeds while still on the parent plant. It is a widespread phenomenon in plants characterized by the lack of seed dormancy.
C. Monocarpic- flowering only once.
D. Vernalisation- The cooling of seed during germination in order to accelerate flowering when it is planted.
E. Seismonasty is the nastic response of a plant or fungus to touch or vibration.
So, the correct answer is 'Vivipary'.