Consider the following statements regarding the egg (Oosphere) and choose the correct answer:
1. The oosphere contains a female generative cell
2. The upper part of the oosphere membrane is made of cellulose
3. As the maturation of the oosphere nucleus increases its stainability also increases
4. In the cytoplasm of the oosphere, apart from the nucleus certain plastids are also found which manufacture starch found in it

A. Only 1, 2 and 3 are true

B. Only 1, 2 and 4 are true

C. Only 2, 3 and 4 are true

D. Only 1, 3 and 4 are true

Answer: Option B