Consider the following statements:
1.All living organisms arise from a single cell
2.Energy for the synthesis of fats and proteins in plants comes from the breakdown of carbohydrates
3.Viruses are the smallest living organisms
4.The presence of thick waxy coating on the leaves and stem of desert plants is an example of growth. Which of the above statements are true?

[ A ]    Only 2
[ B ]    1, 2, and 4
[ C ]    1 and 3
[ D ]    2 and 4 right
Answer : Option D
Explanation :