Answer- a) Growth
Explanation- Growth of plant is referred to as increase in the length of plant root and shoot (part of plant having stem, flowers or leaves) during their lifespan.
The cell division in the shoot apical meristem (the region in the shoot having meristematic cells) results in the increased plant length.
Given that the earlier plant was three inches tall and at the end of the week it was 4 inches, indicating that the length of the plant was increased by 1 inch. Hence, growth will be the correct answer as Growth of plant is referred to as increase in the length of plant.
Learn more- https://brainly.com/question/16337979
