Arrange the words in a meaningful logical order and select the appropriate sequence :

1. Toddlerhood

2. Adulthood

3. Infancy

4. Childhood

5. Old age

Which one of the following responses would be a meaningful order of the following?
1. Leaf
2. Fruit
3. Stem
4. Roots
5. Flower

Which one of the given responses would be a meaningful order of the following?
1. Study 
2. Employment
3. Pass
4. Admission
5. Examination

Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.
1. Hexagon
2. Triangle
3. Pentagon
4. Square
5. Octagon