An 18 month old infant can do A/E -

Ans. is 'a' i.e., Climbing upstairs A child walks up and downstairs with one step at a time by 2 years. o A child can mimic the action carried out by the mother at home (mimicry) by 1 year*of age. o A child can turn 2 or 3 pages of a book at time by 13 months. o An 18 months old child can use 10 words with meaning. o An 18 months old child can build a tower of 4 cubes (not 8 cubes).