Question

Write the name of young ones of these animals:- deer______
Giraffe______ monkey_______
Wolf______ lion_______

Answer 1

deer - fawn
giraffe - calf ( plural : calves)
monkey - infant
wolf - pups or whelps 
lion - cub

Answer 2

Heya...

The young ones of the following are:
Deer➡ Calf, fawn
Girrafe➡Girrafeling, coe
Monkey➡Infant
Wolf➡ Whelp
Lion➡ Cub