In grafting, the plant with the root system is called the root stock , and the portion of the plant with the buds is called the scion
Explanation:
Grafting is a process of “vegetative mode of propagation “ in which two parts of same or two different species of plants are joined together to make them grow as a single plant. The part of the plant which is kept over and above the other plant is called the “scion” while the part of the other plant kept at the bottom is called a rootstock.
Thus, in grafting, the plant with the root system is kept at the bottom and hence it is called as root stock , and the portion of the plant with the buds is kept over and above the root stock and hence it is called as scion.
The vacuole is the organelle of the plant which contains water reserves of the plant and essential minerals required by the plant to grow. It also helps the plant to maintain its structure and provides rigidity
There are many factors that contribute to the growth of a plant . Like what type of light is used and it also depends on the type of plant it is but in this context, your answer is A
