<prompt> An 8 week infant can do all the following except ?Head controlLift its head up to horizontal line in ventral suspensionFollows red object upto 180Social smile  <response>: Ans. is a i.e., Head control o Head control develops by 3 months. o In ventral suspension a child can lift his head in the horizontal plane by 2 months 8 weeks o A child follows object with steady movement by 2 months 8 weeks. o Social smile develops by 2 months 8 weeks. o A child turns head to sound by 1 month. 