Question

give information about nuclear family

Answer 1

A nuclear family, elementary family or conjugal family is a family group consisting of two parents and their children (one or more).[1] It is in contrast to a single-parent family, to the larger extended family, and to a family with more than two parents. Nuclear families typically center on a married couple;[1] the nuclear family may have any number of children. There are differences in definition among observers; some definitions allow only biological children that are full-blood siblings,[2] but others allow for a stepparent and any mix of dependent children including stepchildren and adopted children.[3][4]

Answer 2

There r 4members in Nuclear family, As a fertility factor, single nuclear family households generally have a higher number of children than co-operative living arrangements according to studies from both the Western world and India.
Hope this helpful