Development examination should be fuher evaluated in child of 12 weeks if he ?

Ans. is 'a' i.e., Does not vocalize o Vocalization develops by 4 weeks. o Babbling develops by 7 months o A child transfer the objects from one hand to another by 5-7 months. o A child can hold head at 90deg (above horizontal plane in ventral suspension) by 3 months --> Neck holding develops by 3 months.