Ultrasonography is most useful for diagnostic examination of

The ultrasonography can be defined as the medical diagnostic technique which is used for the imaging of the internal body structures. The basis of ultrasonography is the application of the ultrasound waves. It is mostly used for the pediatric patients.

Hence, the correct answer is 'soft  internal organs'.

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.